/* roulang page: index */
:root{
  --brand:#0D5C5A;
  --brand-strong:#083F3E;
  --brand-soft:#DCEDE8;
  --brand-wash:#EEF6F2;
  --accent:#F06A4E;
  --accent-hover:#D9543B;
  --bg:#F7F4EC;
  --surface:#FFFFFF;
  --surface-alt:#FFFDF8;
  --ink:#17201F;
  --muted:#5F6B68;
  --line:#D9D3C6;
  --success:#2F8F5B;
  --danger:#C9503F;
  --focus:#F06A4E;
  --r-s:10px;
  --r-m:16px;
  --r-l:22px;
  --shadow-1:0 8px 30px rgba(13,92,90,.08);
  --shadow-2:0 12px 36px rgba(13,92,90,.14);
  --container:1248px;
  --ease:220ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:14px}
a{color:var(--brand);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--accent)}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:.015em;color:var(--brand-strong)}
h1{font-size:clamp(2rem,4.4vw,3.6rem);line-height:1.18}
h2{font-size:clamp(1.65rem,2.8vw,2.35rem);line-height:1.25}
h3{font-size:1.25rem;line-height:1.4}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ===== 浮动 Dock 导航 ===== */
.dock{position:fixed;top:16px;left:50%;transform:translateX(-50%);width:min(1180px,calc(100% - 32px));z-index:90}
.dock-inner{
  display:flex;align-items:center;gap:16px;
  height:68px;padding:0 14px 0 18px;
  background:rgba(255,253,248,.95);
  border:1px solid rgba(13,92,90,.12);
  border-radius:999px;
  box-shadow:var(--shadow-1);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:28px;height:28px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand) 0%,#137a74 55%,var(--accent) 100%);
  position:relative;overflow:hidden;
}
.brand-mark::after{
  content:"";position:absolute;inset:6px -4px -6px -4px;
  border-radius:50% 50% 0 0;
  border-top:2px solid rgba(255,255,255,.75);
  border-bottom:2px solid rgba(255,255,255,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;font-weight:800;color:var(--brand-strong);font-size:15px;letter-spacing:.02em}
.brand-text small{font-weight:600;font-size:11px;color:var(--muted);letter-spacing:.14em}
.nav-links{display:flex;align-items:center;gap:22px;margin-left:auto;margin-right:auto}
.nav-link{
  position:relative;font-size:15px;color:var(--ink);font-weight:500;
  padding:6px 2px;transition:color var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:-6px;width:5px;height:5px;border-radius:50%;
  background:var(--brand);transform:translateX(-50%) scale(0);transition:transform var(--ease);
}
.nav-link:hover{color:var(--brand)}
.nav-link.active{color:var(--brand);font-weight:700}
.nav-link.active::after{transform:translateX(-50%) scale(1)}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:44px;height:44px;display:grid;place-items:center;border-radius:50%;
  border:1px solid rgba(13,92,90,.16);background:var(--surface);color:var(--brand);
  transition:background var(--ease),border-color var(--ease),transform var(--ease);
}
.icon-btn:hover{background:var(--brand-wash);border-color:rgba(13,92,90,.3);transform:translateY(-1px)}
.icon-btn svg{width:19px;height:19px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-s);
  font-size:15px;font-weight:700;letter-spacing:.02em;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(240,106,78,.28)}
.btn-primary:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(217,84,59,.32)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:var(--surface);color:var(--brand);border:1px solid rgba(13,92,90,.35)}
.btn-outline:hover{background:var(--brand-wash);color:var(--brand-strong);border-color:var(--brand);transform:translateY(-1px)}
.btn-soft{background:var(--brand-soft);color:var(--brand-strong)}
.btn-soft:hover{background:#cbe4dd;color:var(--brand-strong);transform:translateY(-1px)}
.btn[disabled],.btn.disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.dock .btn-primary{min-height:42px;padding:0 20px;font-size:14px}
.menu-btn{display:none}

/* 搜索面板 */
.search-panel{
  position:absolute;left:50%;top:calc(100% + 10px);transform:translateX(-50%);
  width:min(680px,100%);background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-m);box-shadow:var(--shadow-2);padding:14px;
  display:none;
}
.search-panel.is-open{display:block}
.search-form{display:flex;gap:10px}
.search-form input{
  flex:1;height:44px;border-radius:var(--r-s);border:1px solid var(--line);
  background:var(--surface-alt);padding:0 14px;color:var(--ink);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.search-form input::placeholder{color:#9aa5a2}
.search-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(240,106,78,.22)}

/* 移动抽屉 */
.mobile-panel{
  position:absolute;left:50%;top:calc(100% + 10px);transform:translateX(-50%);
  width:100%;background:var(--surface-alt);border:1px solid var(--line);
  border-radius:var(--r-m);box-shadow:var(--shadow-2);padding:10px;display:none;
}
.mobile-panel.is-open{display:block}
.mobile-panel a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:46px;padding:0 14px;border-radius:12px;color:var(--ink);font-weight:600;
}
.mobile-panel a:hover,.mobile-panel a.active{background:var(--brand-soft);color:var(--brand-strong)}

/* ===== Hero ===== */
.hero{position:relative;padding:150px 0 88px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url(/assets/images/backpic/back-1.webp) center/cover no-repeat;
  opacity:.10;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(13,92,90,.14),rgba(13,92,90,0) 68%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-soft);color:var(--brand-strong);
  font-size:13px;font-weight:700;letter-spacing:.06em;
  padding:6px 14px;border-radius:999px;
}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--accent)}
.hero h1{margin:20px 0 18px}
.hero h1 em{font-style:normal;color:var(--brand);position:relative;white-space:nowrap}
.hero-lead{font-size:1.0625rem;line-height:1.85;color:var(--muted);max-width:36em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:30px;padding-top:24px;border-top:1px solid var(--line)}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted)}
.hero-points svg{width:17px;height:17px;flex:0 0 auto;color:var(--success)}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:24px;
  box-shadow:var(--shadow-2);
}
.hero-steps{
  position:absolute;left:-18px;bottom:-26px;width:min(320px,86%);
  background:var(--surface);border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--shadow-2);padding:16px 18px;
}
.hero-steps h4{font-size:13px;letter-spacing:.12em;color:var(--muted);font-weight:700;margin-bottom:10px}
.hero-steps li{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.6;color:var(--ink);padding:6px 0}
.hero-steps li span{
  flex:0 0 auto;width:20px;height:20px;border-radius:50%;background:var(--brand-wash);
  color:var(--brand);font-size:12px;font-weight:800;display:grid;place-items:center;margin-top:2px;
}

/* ===== 通用板块 ===== */
.section{padding:88px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px}
.section-head p{color:var(--muted);font-size:15px;margin-top:10px;max-width:44em}
.link-more{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;color:var(--brand);flex:0 0 auto}
.link-more:hover{color:var(--accent);gap:10px}
.link-more svg{width:16px;height:16px;transition:transform var(--ease)}
.section-alt{background:var(--brand-wash)}
.section-paper{background:var(--surface-alt)}

/* ===== Bento ===== */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--shadow-1);padding:24px;display:flex;flex-direction:column;gap:14px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(13,92,90,.26)}
.card:focus-within{border-color:var(--brand)}
.card-cover{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:14px;transition:transform var(--ease)}
.card-cover-wrap{overflow:hidden;border-radius:14px}
.card:hover .card-cover{transform:scale(1.03)}
.tag{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--brand);
  background:var(--brand-wash);border:1px solid rgba(13,92,90,.14);
  padding:4px 10px;border-radius:999px;
}
.card h3{font-size:1.12rem}
.card p{font-size:14.5px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-action{margin-top:auto;display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;color:var(--brand)}
.card-action svg{width:15px;height:15px;transition:transform var(--ease)}
.card:hover .card-action svg{transform:translateX(3px)}
.bento-lg{grid-column:span 6;flex-direction:row;gap:24px;align-items:stretch;padding:26px}
.bento-lg .bento-body{flex:1 1 auto;display:flex;flex-direction:column;gap:14px;min-width:0}
.bento-lg .bento-figure{flex:0 0 45%;display:flex}
.bento-lg .bento-figure img{width:100%;height:100%;min-height:220px;object-fit:cover;border-radius:14px}
.bento-md{grid-column:span 3}
.bento-sm{grid-column:span 4}
.bento-sm h3{font-size:1.05rem}

/* ===== 反馈轮播 ===== */
.reviews{position:relative}
.review-track{
  display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 2px 20px;scrollbar-width:none;
}
.review-track::-webkit-scrollbar{display:none}
.review-card{
  flex:0 0 360px;scroll-snap-align:start;
  background:var(--surface);border:1px solid var(--line);border-radius:18px;
  padding:24px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;gap:12px;
  transition:transform var(--ease),box-shadow var(--ease);
}
.review-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.review-meta{display:flex;align-items:center;gap:12px}
.avatar{
  width:42px;height:42px;border-radius:50%;flex:0 0 auto;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-strong);font-weight:800;font-size:15px;
}
.review-meta strong{display:block;font-size:14px;color:var(--ink);font-weight:700}
.review-meta span{font-size:12px;color:var(--muted)}
.stars{display:flex;align-items:center;gap:4px;color:var(--accent);font-size:13px;font-weight:700}
.stars i{font-style:normal;letter-spacing:2px}
.review-card p{font-size:14.5px;color:var(--muted);line-height:1.8}
.review-nav{display:flex;gap:10px}
.car-btn{
  width:44px;height:44px;border-radius:50%;border:1px solid rgba(13,92,90,.22);
  background:var(--surface);color:var(--brand);display:grid;place-items:center;
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.car-btn:hover{background:var(--brand);color:#fff;transform:translateY(-1px)}
.car-btn svg{width:17px;height:17px}

/* ===== 保障条 ===== */
.assurance{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.assurance-item{padding:32px 26px;border-right:1px solid var(--line);display:flex;gap:14px;align-items:flex-start}
.assurance-item:last-child{border-right:0}
.assurance-item .ico{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;background:var(--brand-wash);
  color:var(--brand);display:grid;place-items:center;
}
.assurance-item .ico svg{width:21px;height:21px}
.assurance-item h3{font-size:15.5px;margin-bottom:4px}
.assurance-item p{font-size:13px;color:var(--muted);line-height:1.7}

/* ===== 资讯列表 ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:var(--surface);border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--shadow-1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(13,92,90,.26)}
.news-card .thumb{display:block;overflow:hidden}
.news-card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;transition:transform var(--ease)}
.news-card:hover .thumb img{transform:scale(1.03)}
.news-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted)}
.news-meta .pill{background:var(--brand-wash);color:var(--brand);font-weight:700;border-radius:999px;padding:3px 10px;font-size:12px}
.news-body h3{font-size:1.05rem;line-height:1.5}
.news-body h3 a{color:var(--brand-strong)}
.news-body h3 a:hover{color:var(--accent)}
.news-body p{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body .card-action{margin-top:auto}
.empty-state{
  grid-column:1/-1;border:1px dashed rgba(13,92,90,.35);background:var(--brand-wash);
  border-radius:18px;padding:44px 24px;text-align:center;color:var(--muted);
}
.empty-state strong{display:block;color:var(--brand-strong);font-size:1rem;margin-bottom:6px}
.empty-state .btn{margin-top:16px}

/* ===== FAQ ===== */
.faq-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
.faq-aside .badge{margin-bottom:16px}
.faq-aside p{color:var(--muted);margin-top:14px;font-size:15px}
.faq-aside .btn{margin-top:24px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 4px;font-size:16.5px;font-weight:700;color:var(--brand-strong);
  transition:color var(--ease),background var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-item summary .plus{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid rgba(13,92,90,.25);
  display:grid;place-items:center;color:var(--brand);transition:transform var(--ease),background var(--ease);
}
.faq-item summary .plus svg{width:13px;height:13px}
.faq-item[open] summary{color:var(--brand)}
.faq-item[open] summary .plus{transform:rotate(45deg);background:var(--brand-soft)}
.faq-item .faq-answer{padding:0 4px 22px;color:var(--muted);font-size:15px;line-height:1.85;max-width:44em}
.faq-item[open]{background:rgba(13,92,90,.04);border-radius:12px}

/* ===== 最终 CTA ===== */
.cta-block{
  position:relative;overflow:hidden;border-radius:26px;
  background:var(--brand-strong);color:#F3F0E7;
  display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;
  padding:56px;
}
.cta-block::before{
  content:"";position:absolute;inset:0;
  background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat;
  opacity:.10;
}
.cta-block > *{position:relative}
.cta-block h2{color:#fff;margin-bottom:14px}
.cta-block p{color:rgba(243,240,231,.82);font-size:15.5px;max-width:34em}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cta-block .btn-outline{background:transparent;color:#F3F0E7;border-color:rgba(243,240,231,.5)}
.cta-block .btn-outline:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
.cta-steps{
  background:rgba(255,255,255,.07);border:1px solid rgba(243,240,231,.22);
  border-radius:18px;padding:22px;backdrop-filter:blur(2px);
}
.cta-steps h4{color:#fff;font-size:14px;letter-spacing:.1em;margin-bottom:14px;opacity:.9}
.cta-steps li{display:flex;gap:12px;padding:9px 0;font-size:14px;color:rgba(243,240,231,.9);align-items:flex-start}
.cta-steps li span{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:rgba(240,106,78,.9);
  color:#fff;font-size:12px;font-weight:800;display:grid;place-items:center;margin-top:3px;
}

/* ===== 页脚 ===== */
.site-footer{
  position:relative;margin-top:88px;background:var(--brand-strong);color:rgba(243,240,231,.86);
  padding:72px 0 26px;overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--brand-soft),var(--accent),var(--brand-soft));
  opacity:.7;
}
.site-footer::after{
  content:"";position:absolute;inset:0;
  background:url(/assets/images/backpic/back-3.webp) center/cover no-repeat;opacity:.06;pointer-events:none;
}
.footer-inner{position:relative}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand .brand-text{color:#fff;font-size:16px}
.footer-brand .brand-text small{color:rgba(243,240,231,.6)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(243,240,231,.72);max-width:26em}
.footer-contact{margin-top:18px;font-size:14px;color:rgba(243,240,231,.86)}
.footer-contact a{color:var(--brand-soft);font-weight:700}
.footer-contact a:hover{color:var(--accent)}
.footer-col h4{color:#fff;font-size:14px;letter-spacing:.1em;margin-bottom:16px;font-weight:700}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(243,240,231,.76)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(243,240,231,.18);
  display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;
  font-size:13px;color:rgba(243,240,231,.6);
}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .container{padding:0 22px}
  .hero-grid{gap:40px}
  .bento-lg{grid-column:span 12}
  .bento-md{grid-column:span 6}
  .bento-sm{grid-column:span 4}
  .cta-block{padding:44px;gap:32px}
  .news-grid{grid-template-columns:repeat(3,1fr);gap:20px}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .menu-btn{display:grid}
  .dock-inner{height:64px}
  .hero{padding:132px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-steps{position:static;width:100%;margin-top:18px;box-shadow:var(--shadow-1)}
  .section{padding:64px 0}
  .assurance{grid-template-columns:repeat(2,1fr)}
  .assurance-item:nth-child(2){border-right:0}
  .assurance-item:nth-child(1),.assurance-item:nth-child(2){border-bottom:1px solid var(--line)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .faq-grid{grid-template-columns:1fr;gap:32px}
  .cta-block{grid-template-columns:1fr;padding:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .review-card{flex:0 0 320px}
}
@media (max-width:767px){
  .dock{top:8px;width:calc(100% - 24px)}
  .dock-inner{height:58px;padding:0 10px 0 14px;gap:8px}
  .brand-text{font-size:13.5px}
  .brand-text small{font-size:10px}
  .dock .btn-primary{padding:0 14px;font-size:13.5px;min-height:40px}
  .icon-btn{width:40px;height:40px}
  .hero{padding:118px 0 56px}
  .hero-actions .btn{flex:1 1 auto}
  .bento{grid-template-columns:1fr;gap:18px}
  .bento-lg,.bento-md,.bento-sm{grid-column:span 1}
  .bento-lg{flex-direction:column}
  .bento-lg .bento-figure{flex:none}
  .bento-lg .bento-figure img{min-height:0;aspect-ratio:16/10}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .news-grid{grid-template-columns:1fr}
  .review-card{flex:0 0 86vw}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:56px 0 22px;margin-top:64px}
  .cta-block{padding:30px;border-radius:20px}
  .cta-actions .btn{flex:1 1 auto}
}
@media (max-width:519px){
  .container{padding:0 18px}
  h1{font-size:clamp(1.72rem,7.4vw,2.2rem)}
  .hero-lead{font-size:1rem}
  .assurance{grid-template-columns:1fr}
  .assurance-item{border-right:0;border-bottom:1px solid var(--line);padding:22px 18px}
  .assurance-item:last-child{border-bottom:0}
  .hero-points{gap:8px 18px}
  .brand-text small{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --brand:#0D5C5A;
  --brand-strong:#083F3E;
  --brand-soft:#DCEDE8;
  --brand-wash:#EEF6F2;
  --accent:#F06A4E;
  --accent-hover:#D9543B;
  --bg:#F7F4EC;
  --surface:#FFFFFF;
  --surface-alt:#FFFDF8;
  --ink:#17201F;
  --muted:#5F6B68;
  --line:#D9D3C6;
  --success:#2F8F5B;
  --danger:#C9503F;
  --focus:#F06A4E;
  --radius-btn:10px;
  --radius-card:18px;
  --radius-img:14px;
  --shadow-sm:0 8px 30px rgba(13,92,90,.08);
  --shadow-md:0 12px 36px rgba(13,92,90,.14);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--accent);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:.015em;color:var(--ink);}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* ============ 顶部浮动导航 ============ */
.site-header{
  position:fixed;top:16px;left:0;right:0;z-index:120;
  display:flex;justify-content:center;padding:0 16px;
}
.nav-dock{
  width:min(1180px,100%);
  display:flex;align-items:center;gap:22px;
  padding:9px 12px 9px 20px;
  background:rgba(255,253,248,.94);
  border:1px solid rgba(13,92,90,.12);
  border-radius:999px;
  box-shadow:var(--shadow-sm);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--brand-strong);flex-shrink:0;}
.brand:hover{color:var(--brand);}
.brand-mark{display:inline-flex;color:var(--brand);}
.brand-text{display:flex;flex-direction:column;line-height:1.12;}
.brand-text > span{font-size:1rem;font-weight:800;letter-spacing:.02em;}
.brand-text > small{font-size:.72rem;font-weight:600;color:var(--muted);letter-spacing:.06em;}
.nav-links{display:flex;align-items:center;gap:22px;margin-left:6px;}
.nav-link{
  position:relative;font-size:.94rem;font-weight:500;color:var(--muted);
  padding:6px 2px;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:0;width:0;height:2px;border-radius:2px;
  background:var(--brand);transform:translateX(-50%);transition:width .22s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{width:18px;}
.nav-link.active{color:var(--brand);font-weight:700;}
.nav-link.active::after{width:18px;}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:50%;
  background:transparent;border:1px solid transparent;color:var(--brand);
  cursor:pointer;transition:background .22s ease,border-color .22s ease,color .22s ease;
}
.icon-btn:hover{background:var(--brand-wash);border-color:rgba(13,92,90,.16);color:var(--brand-strong);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:.95rem;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,background .22s ease,box-shadow .22s ease,border-color .22s ease,color .22s ease;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(240,106,78,.22);}
.btn-primary:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(240,106,78,.28);}
.btn-ghost{background:transparent;color:var(--brand);border-color:rgba(13,92,90,.3);}
.btn-ghost:hover{background:var(--brand-wash);border-color:var(--brand);color:var(--brand-strong);}
.btn-light{background:rgba(255,255,255,.14);color:#F7F4EC;border-color:rgba(247,244,236,.4);}
.btn-light:hover{background:rgba(255,255,255,.22);color:#fff;}
.btn-sm{min-height:38px;padding:0 16px;font-size:.875rem;}
.menu-btn{display:none;}

.search-panel{
  position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%);
  width:min(720px,calc(100vw - 32px));
  background:var(--surface);
  border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-md);
  padding:14px;z-index:130;
}
.search-form{display:flex;gap:10px;}
.search-form input{
  flex:1;min-height:44px;padding:0 14px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:var(--surface-alt);color:var(--ink);
  font-size:.94rem;transition:border-color .22s ease,box-shadow .22s ease;
}
.search-form input::placeholder{color:#9AA5A2;}
.search-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(240,106,78,.28);}
.search-hint{margin-top:10px;font-size:.78rem;color:var(--muted);}

.mobile-drawer{
  position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%);
  width:min(420px,calc(100vw - 32px));
  background:var(--surface-alt);border:1px solid rgba(13,92,90,.14);
  border-radius:16px;box-shadow:var(--shadow-md);padding:10px;z-index:130;
}
.mobile-drawer a{
  display:flex;align-items:center;min-height:46px;padding:0 14px;border-radius:10px;
  color:var(--ink);font-weight:500;font-size:.95rem;
}
.mobile-drawer a:hover,.mobile-drawer a:focus-visible{background:var(--brand-wash);color:var(--brand-strong);}
.mobile-drawer a.active{background:var(--brand-soft);color:var(--brand-strong);font-weight:700;}

/* ============ 页面主体 ============ */
.page-main{padding-top:128px;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.82rem;color:var(--muted);}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{color:#B9B2A4;}
.crumbs .current{color:var(--brand-strong);font-weight:600;max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

.article-head{padding:18px 0 34px;border-bottom:1px solid var(--line);}
.post-cat{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;background:var(--brand-soft);color:var(--brand-strong);
  font-size:.78rem;font-weight:700;letter-spacing:.04em;
}
.article-title{
  margin:18px 0 0;
  font-size:clamp(1.75rem,3.6vw,2.9rem);
  line-height:1.22;letter-spacing:.01em;max-width:22ch;
}
.article-meta{
  margin-top:18px;display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
  font-size:.84rem;color:var(--muted);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
.meta-chip{display:inline-flex;align-items:center;gap:6px;}
.meta-chip svg{flex-shrink:0;color:var(--brand);}
.article-cover-wrap{margin-top:28px;}
.article-cover{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:24px;
  border:1px solid var(--line);box-shadow:var(--shadow-sm);
}

/* 两栏阅读布局 */
.post-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 256px;
  gap:52px;align-items:start;padding:44px 0 0;
}
.post-main{min-width:0;max-width:820px;}
.post-body{
  font-size:1.0625rem;line-height:1.85;color:var(--ink);
  word-wrap:break-word;overflow-wrap:break-word;
}
.post-body > *:first-child{margin-top:0;}
.post-body h2{
  font-size:clamp(1.4rem,2.3vw,1.85rem);line-height:1.3;margin:2.2em 0 .75em;
  padding-left:14px;border-left:4px solid var(--brand);
}
.post-body h3{font-size:1.22rem;line-height:1.45;margin:1.8em 0 .6em;color:var(--brand-strong);}
.post-body h4{font-size:1.05rem;margin:1.5em 0 .5em;color:var(--brand-strong);}
.post-body p{margin:0 0 1.15em;}
.post-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.post-body a:hover{color:var(--accent);}
.post-body strong{font-weight:700;color:var(--brand-strong);}
.post-body ul,.post-body ol{margin:0 0 1.3em;padding-left:1.35em;}
.post-body ul li{list-style:disc;margin:.45em 0;}
.post-body ol li{list-style:decimal;margin:.45em 0;}
.post-body li::marker{color:var(--brand);}
.post-body blockquote{
  margin:1.6em 0;padding:.9em 1.3em;border-left:3px solid var(--accent);
  background:var(--brand-wash);border-radius:0 12px 12px 0;color:var(--brand-strong);
}
.post-body blockquote p:last-child{margin-bottom:0;}
.post-body img{border-radius:var(--radius-img);margin:1.4em 0;box-shadow:var(--shadow-sm);}
.post-body figure{margin:1.5em 0;}
.post-body figcaption{font-size:.82rem;color:var(--muted);text-align:center;margin-top:.6em;}
.post-body table{
  width:100%;border-collapse:collapse;margin:1.5em 0;font-size:.92rem;
  display:block;overflow-x:auto;white-space:nowrap;
}
.post-body th,.post-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.post-body th{background:var(--brand-wash);font-weight:700;color:var(--brand-strong);}
.post-body code{
  background:var(--brand-wash);color:var(--brand-strong);
  padding:2px 6px;border-radius:6px;font-size:.9em;
}
.post-body pre{
  background:var(--brand-strong);color:#EAEFEE;padding:18px;border-radius:var(--radius-img);
  overflow-x:auto;margin:1.5em 0;font-size:.88rem;line-height:1.7;
}
.post-body pre code{background:transparent;color:inherit;padding:0;}
.post-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}

.post-empty{
  border:2px dashed var(--line);background:var(--surface-alt);
  border-radius:var(--radius-card);padding:48px 28px;text-align:center;
}
.post-empty h2{font-size:1.45rem;margin-bottom:12px;color:var(--brand-strong);}
.post-empty p{color:var(--muted);margin-bottom:22px;font-size:.95rem;}

/* 目录 */
.toc-wrap{position:sticky;top:96px;}
.toc-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:18px 18px 20px;box-shadow:var(--shadow-sm);
}
.toc-title{
  font-size:.8rem;font-weight:700;letter-spacing:.12em;color:var(--muted);
  margin-bottom:12px;text-transform:uppercase;
}
.toc-toggle{
  display:none;width:100%;align-items:center;justify-content:space-between;
  background:transparent;border:0;padding:0;color:var(--brand-strong);
  font-size:.95rem;font-weight:700;cursor:pointer;min-height:40px;
}
.toc-arrow{
  width:9px;height:9px;border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(45deg);transition:transform .22s ease;
}
.toc-card.is-open .toc-arrow{transform:rotate(-135deg);}
.toc-list li{margin:2px 0;}
.toc-list a{
  display:block;padding:6px 10px;border-radius:8px;font-size:.86rem;color:var(--muted);
  line-height:1.5;border-left:2px solid transparent;transition:all .2s ease;
}
.toc-list a:hover{background:var(--brand-wash);color:var(--brand-strong);}
.toc-list a.active{
  background:var(--brand-wash);color:var(--brand-strong);font-weight:700;
  border-left-color:var(--accent);
}
.toc-sub a{padding-left:22px;font-size:.82rem;}
.toc-note{margin-top:14px;padding-top:14px;border-top:1px solid var(--line);font-size:.78rem;color:var(--muted);line-height:1.65;}

/* 相关推荐 */
.related{padding:72px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:28px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(1.4rem,2.4vw,1.9rem);line-height:1.3;}
.section-head p{margin-top:8px;color:var(--muted);font-size:.92rem;}
.text-link{font-size:.9rem;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.text-link:hover{color:var(--accent);}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rel-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease;
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);}
.rel-thumb{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease;}
.rel-card:hover .rel-thumb{transform:scale(1.03);}
.rel-thumb-wrap{overflow:hidden;}
.rel-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-tag{
  align-self:flex-start;font-size:.72rem;font-weight:700;letter-spacing:.05em;
  color:var(--brand-strong);background:var(--brand-soft);padding:3px 10px;border-radius:999px;
}
.rel-body h3{font-size:1.05rem;line-height:1.45;}
.rel-body p{font-size:.86rem;color:var(--muted);line-height:1.7;}
.rel-more{margin-top:auto;font-size:.85rem;font-weight:600;color:var(--brand);}

/* 尾部 CTA */
.post-cta{padding:64px 0 0;}
.cta-card{
  position:relative;overflow:hidden;
  background:var(--brand-strong);color:#F2F6F4;
  border-radius:24px;padding:44px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--shadow-md);
}
.cta-card::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.1;pointer-events:none;
}
.cta-text{position:relative;max-width:600px;}
.cta-text h2{color:#fff;font-size:clamp(1.35rem,2.3vw,1.85rem);line-height:1.32;}
.cta-text p{margin-top:12px;font-size:.94rem;color:rgba(242,246,244,.78);line-height:1.75;}
.cta-actions{position:relative;display:flex;gap:12px;flex-wrap:wrap;}

/* 页脚 */
.site-footer{background:var(--brand-strong);color:#DDE7E4;margin-top:88px;position:relative;}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(220,237,232,.45),transparent);
}
.footer-inner{padding:60px 20px 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.footer-brand .brand{color:#F7F4EC;}
.footer-brand .brand:hover{color:#fff;}
.footer-brand .brand-mark{color:#8FC7BC;}
.footer-brand .brand-text small{color:rgba(221,231,228,.65);}
.footer-brand p{margin-top:16px;font-size:.88rem;line-height:1.8;color:rgba(221,231,228,.72);max-width:34ch;}
.footer-contact{margin-top:16px;font-size:.85rem;color:rgba(221,231,228,.72);}
.footer-contact a{color:#8FC7BC;font-weight:600;}
.footer-contact a:hover{color:var(--accent);}
.footer-col h4{font-size:.9rem;color:#fff;margin-bottom:16px;letter-spacing:.06em;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:.86rem;color:rgba(221,231,228,.72);}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(220,237,232,.16);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:.78rem;color:rgba(221,231,228,.56);
}

/* 阅读进度 */
.read-progress{
  position:fixed;top:0;left:0;height:3px;width:0;z-index:200;
  background:linear-gradient(90deg,var(--brand),var(--accent));
  transition:width .1s linear;
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .post-layout{gap:36px;grid-template-columns:minmax(0,1fr) 236px;}
  .nav-links{gap:16px;}
}
@media (max-width:1023px){
  .nav-links{display:none;}
  .menu-btn{display:inline-flex;}
  .nav-dock{gap:12px;}
  .post-layout{grid-template-columns:minmax(0,1fr);gap:26px;}
  .toc-wrap{position:static;order:-1;}
  .toc-card{padding:12px 16px;}
  .toc-toggle{display:flex;}
  .toc-card .toc-inner{display:none;padding-top:10px;}
  .toc-card.is-open .toc-inner{display:block;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .cta-card{padding:36px 30px;}
}
@media (max-width:767px){
  .site-header{top:8px;padding:0 12px;}
  .nav-dock{padding:8px 10px 8px 14px;height:56px;}
  .brand-text > span{font-size:.92rem;}
  .brand-text > small{font-size:.66rem;}
  .page-main{padding-top:100px;}
  .article-title{max-width:none;}
  .article-cover{border-radius:18px;}
  .post-layout{padding-top:32px;}
  .post-body{font-size:1rem;}
  .related{padding-top:56px;}
  .cta-card{padding:30px 22px;border-radius:20px;}
  .footer-inner{padding:44px 20px 22px;}
  .site-footer{margin-top:64px;}
}
@media (max-width:520px){
  .nav-cta{padding:0 12px;font-size:.8rem;min-height:36px;}
  .rel-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px;}
  .article-meta{gap:8px 14px;font-size:.8rem;}
  .footer-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --brand:#0D5C5A;
  --brand-strong:#083F3E;
  --brand-soft:#DCEDE8;
  --brand-wash:#EEF6F2;
  --accent:#F06A4E;
  --accent-hover:#D9543B;
  --bg:#F7F4EC;
  --surface:#FFFFFF;
  --surface-alt:#FFFDF8;
  --ink:#17201F;
  --muted:#5F6B68;
  --line:#D9D3C6;
  --success:#2F8F5B;
  --danger:#C9503F;
  --focus:#F06A4E;
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:18px;
  --radius-xl:24px;
  --shadow-sm:0 8px 30px rgba(13,92,90,.08);
  --shadow-md:0 12px 36px rgba(13,92,90,.14);
  --container:1200px;
  --ease:200ms ease;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  font-feature-settings:"tnum";
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--accent);}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:.015em;line-height:1.25;color:var(--brand-strong);}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:4px;}

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

/* ============ 顶部浮动导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  padding:16px 0 0;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  width:calc(100% - 32px);
  max-width:1180px;
  margin:0 auto;
  min-height:68px;
  display:flex;
  align-items:center;
  gap:18px;
  padding:10px 14px 10px 20px;
  background:rgba(255,253,248,.94);
  border:1px solid rgba(13,92,90,.12);
  border-radius:999px;
  box-shadow:var(--shadow-sm);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--brand-strong);
  flex:none;
}
.brand-mark{
  width:26px;
  height:26px;
  border-radius:50%;
  flex:none;
  position:relative;
  background:radial-gradient(circle at 32% 30%,var(--brand) 0 40%,var(--brand-soft) 40% 100%);
  box-shadow:inset 0 0 0 1px rgba(13,92,90,.22);
}
.brand-mark::after{
  content:"";
  position:absolute;
  left:5px;right:5px;bottom:6px;
  height:7px;
  border-radius:0 0 999px 999px;
  border-bottom:2px solid rgba(255,255,255,.85);
}
.brand-text{
  display:flex;
  flex-direction:column;
  font-size:15px;
  font-weight:800;
  line-height:1.15;
  letter-spacing:.02em;
}
.brand-text small{
  font-size:11px;
  font-weight:600;
  color:var(--muted);
  letter-spacing:.12em;
  margin-top:2px;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:22px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--muted);
  padding:6px 2px;
  white-space:nowrap;
}
.nav-link:hover{color:var(--brand);}
.nav-link.active{color:var(--brand);font-weight:700;}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:-2px;
  transform:translateX(-50%);
  width:16px;
  height:3px;
  border-radius:2px;
  background:var(--accent);
}
.dock-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:none;
}
.icon-btn{
  width:40px;
  height:40px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--brand);
  transition:background var(--ease),border-color var(--ease),transform var(--ease);
}
.icon-btn:hover{background:var(--brand-wash);border-color:var(--brand-soft);transform:translateY(-1px);}
.icon-btn svg{width:18px;height:18px;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  font-size:15px;
  font-weight:700;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--accent);
  color:#fff;
  box-shadow:0 6px 18px rgba(240,106,78,.24);
}
.btn-primary:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(240,106,78,.3);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:var(--surface);
  color:var(--brand);
  border-color:rgba(13,92,90,.28);
}
.btn-ghost:hover{background:var(--brand-wash);color:var(--brand-strong);transform:translateY(-1px);}
.btn-light{
  background:#fff;
  color:var(--brand-strong);
  border-color:rgba(255,255,255,.6);
}
.btn-light:hover{background:var(--brand-wash);color:var(--brand-strong);transform:translateY(-1px);}
.btn-outline-light{
  background:transparent;
  color:#F3FBF8;
  border-color:rgba(243,251,248,.45);
}
.btn-outline-light:hover{background:rgba(243,251,248,.12);color:#fff;transform:translateY(-1px);}
.nav-cta{
  min-height:44px;
  padding:0 20px;
  border-radius:999px;
  font-size:14px;
}
.menu-toggle{display:none;}

/* 搜索面板与移动菜单 */
.search-panel,
.mobile-menu{
  pointer-events:auto;
  width:calc(100% - 32px);
  max-width:1180px;
  margin:10px auto 0;
  background:var(--surface-alt);
  border:1px solid rgba(13,92,90,.14);
  border-radius:20px;
  box-shadow:var(--shadow-md);
  display:none;
  padding:16px;
}
.search-panel.is-open{display:flex;gap:10px;align-items:center;}
.search-panel input{
  flex:1;
  height:44px;
  padding:0 16px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.search-panel input::placeholder{color:#98a29f;}
.search-panel input:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 2px rgba(240,106,78,.35);
}
.mobile-menu.is-open{display:block;}
.mobile-menu ul{display:flex;flex-direction:column;}
.mobile-menu a{
  display:flex;
  align-items:center;
  min-height:48px;
  padding:0 12px;
  border-radius:12px;
  font-size:16px;
  color:var(--ink);
  font-weight:600;
}
.mobile-menu a:hover{background:var(--brand-wash);color:var(--brand-strong);}
.mobile-menu a.active{color:var(--brand);background:var(--brand-wash);}

/* ============ Hero ============ */
.hero{
  position:relative;
  overflow:hidden;
  padding:56px 0 88px;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:url(/assets/images/backpic/back-1.webp) center/cover no-repeat;
  opacity:.09;
  pointer-events:none;
}
.hero::after{
  content:"";
  position:absolute;
  width:520px;
  height:520px;
  right:-160px;
  top:-180px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(13,92,90,.12),transparent 68%);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:20px;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb span[aria-current]{color:var(--brand);font-weight:600;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand-strong);
  font-size:13px;
  font-weight:700;
  letter-spacing:.04em;
  margin-bottom:20px;
}
.eyebrow::before{
  content:"";
  width:7px;height:7px;border-radius:50%;
  background:var(--accent);
  flex:none;
}
.hero h1{
  font-size:clamp(2rem,4.4vw,3.4rem);
  line-height:1.18;
  margin-bottom:20px;
}
.hero h1 em{
  font-style:normal;
  color:var(--brand);
  position:relative;
}
.hero-lead{
  font-size:1.0625rem;
  color:var(--muted);
  line-height:1.85;
  max-width:34em;
  margin-bottom:28px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:30px;
}
.hero-facts{
  display:flex;
  flex-wrap:wrap;
  gap:28px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.hero-fact strong{
  display:block;
  font-size:1.5rem;
  font-weight:800;
  color:var(--brand);
  line-height:1.2;
}
.hero-fact span{
  font-size:13px;
  color:var(--muted);
}
.hero-visual{
  position:relative;
}
.hero-figure{
  border-radius:var(--radius-xl);
  overflow:hidden;
  border:1px solid rgba(13,92,90,.14);
  box-shadow:var(--shadow-md);
  background:var(--surface);
  aspect-ratio:16/11;
}
.hero-figure img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center 35%;
  transition:transform 400ms ease;
}
.hero-figure:hover img{transform:scale(1.03);}
.float-card{
  position:absolute;
  left:-18px;
  bottom:-26px;
  width:min(300px,90%);
  background:var(--surface-alt);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-md);
  padding:18px 20px;
}
.float-card h2{
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--muted);
  margin-bottom:12px;
}
.float-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:13.5px;
  line-height:1.6;
  color:var(--ink);
  padding:7px 0;
}
.float-list li + li{border-top:1px dashed var(--line);}
.float-num{
  flex:none;
  width:22px;height:22px;
  border-radius:50%;
  background:var(--brand-soft);
  color:var(--brand-strong);
  font-size:12px;
  font-weight:800;
  display:flex;align-items:center;justify-content:center;
  margin-top:1px;
}

/* ============ 通用板块 ============ */
.section{
  padding:88px 0;
}
.section-alt{
  background:var(--surface-alt);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section-head{
  max-width:720px;
  margin-bottom:44px;
}
.section-tag{
  display:inline-block;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--accent);
  margin-bottom:12px;
}
.section-head h2{
  font-size:clamp(1.65rem,2.8vw,2.35rem);
  line-height:1.25;
  margin-bottom:14px;
}
.section-head p{
  color:var(--muted);
  font-size:1rem;
  line-height:1.85;
}

/* ============ 时间线 ============ */
.timeline{
  display:grid;
  gap:18px;
  counter-reset:step;
}
.timeline-item{
  position:relative;
  display:grid;
  grid-template-columns:56px 1fr;
  gap:22px;
  padding:26px 28px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.timeline-item:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-md);
  border-color:rgba(13,92,90,.24);
}
.timeline-item:not(:last-child)::after{
  content:"";
  position:absolute;
  left:53px;
  top:calc(100% + 1px);
  width:2px;
  height:16px;
  background:var(--brand-soft);
  border-radius:2px;
}
.step-num{
  width:56px;height:56px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--brand-wash);
  border:1px solid var(--brand-soft);
  color:var(--brand);
  font-size:1.15rem;
  font-weight:800;
  flex:none;
}
.timeline-item h3{
  font-size:1.2rem;
  margin-bottom:8px;
}
.timeline-item p{
  color:var(--muted);
  font-size:.97rem;
  line-height:1.8;
  margin-bottom:10px;
}
.step-points{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:12px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  font-size:12.5px;
  font-weight:600;
  border-radius:999px;
  background:var(--brand-wash);
  color:var(--brand);
  border:1px solid rgba(13,92,90,.12);
}
.chip-warn{
  background:#FDEDE9;
  color:var(--danger);
  border-color:rgba(201,80,63,.18);
}

/* ============ 准备清单 ============ */
.prep-grid{
  display:grid;
  grid-template-columns:1fr 1.05fr;
  gap:56px;
  align-items:center;
}
.prep-figure{
  border-radius:var(--radius-xl);
  overflow:hidden;
  border:1px solid rgba(13,92,90,.14);
  box-shadow:var(--shadow-md);
  background:var(--surface);
  aspect-ratio:4/3;
}
.prep-figure img{
  width:100%;height:100%;
  object-fit:cover;
  object-position:center 40%;
}
.checklist{
  display:grid;
  gap:14px;
  margin-top:26px;
}
.checklist li{
  display:grid;
  grid-template-columns:26px 1fr;
  gap:14px;
  align-items:start;
  padding:16px 18px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.checklist li:hover{
  transform:translateY(-2px);
  border-color:rgba(13,92,90,.24);
  box-shadow:var(--shadow-sm);
}
.check-icon{
  width:26px;height:26px;
  border-radius:8px;
  background:var(--brand-soft);
  color:var(--brand-strong);
  display:flex;align-items:center;justify-content:center;
  margin-top:2px;
}
.check-icon svg{width:14px;height:14px;}
.checklist h3{
  font-size:1rem;
  margin-bottom:4px;
}
.checklist p{
  font-size:.9rem;
  color:var(--muted);
  line-height:1.75;
  margin:0;
}

/* ============ FAQ ============ */
.faq-grid{
  display:grid;
  grid-template-columns:.8fr 1.4fr;
  gap:56px;
  align-items:start;
}
.faq-aside{
  position:sticky;
  top:110px;
}
.faq-aside h2{
  font-size:clamp(1.6rem,2.6vw,2.2rem);
  margin-bottom:14px;
}
.faq-aside p{
  color:var(--muted);
  font-size:.97rem;
  line-height:1.85;
}
.faq-aside .btn{margin-top:22px;}
.faq-list{
  display:grid;
  gap:12px;
}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.faq-item:hover{border-color:rgba(13,92,90,.24);}
.faq-item.is-open{
  border-color:rgba(13,92,90,.3);
  box-shadow:var(--shadow-sm);
  background:#FBFFFD;
}
.faq-question{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 22px;
  text-align:left;
  font-size:1.02rem;
  font-weight:700;
  color:var(--brand-strong);
  line-height:1.6;
}
.faq-question:hover{color:var(--brand);}
.faq-icon{
  flex:none;
  width:26px;height:26px;
  border-radius:50%;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand);
  transition:transform var(--ease),background var(--ease),border-color var(--ease);
}
.faq-item.is-open .faq-icon{
  transform:rotate(45deg);
  background:var(--brand-soft);
  border-color:var(--brand-soft);
}
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height 320ms ease;
}
.faq-item.is-open .faq-answer{max-height:420px;}
.faq-answer-inner{
  padding:0 22px 22px;
  font-size:.95rem;
  color:var(--muted);
  line-height:1.85;
}

/* ============ 转化区 ============ */
.cta-section{
  padding:88px 0 96px;
}
.cta-card{
  position:relative;
  overflow:hidden;
  border-radius:28px;
  background:var(--brand-strong);
  color:#EEF6F2;
  padding:56px;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:48px;
  align-items:center;
  box-shadow:var(--shadow-md);
}
.cta-card::before{
  content:"";
  position:absolute;
  inset:0;
  background:url(/assets/images/backpic/back-3.webp) center/cover no-repeat;
  opacity:.14;
  pointer-events:none;
}
.cta-card::after{
  content:"";
  position:absolute;
  right:-120px;
  bottom:-160px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(240,106,78,.35),transparent 70%);
  pointer-events:none;
}
.cta-copy{position:relative;}
.cta-copy h2{
  color:#fff;
  font-size:clamp(1.6rem,2.8vw,2.3rem);
  line-height:1.28;
  margin-bottom:16px;
}
.cta-copy p{
  color:rgba(238,246,242,.82);
  font-size:1rem;
  line-height:1.85;
  margin-bottom:28px;
  max-width:30em;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}
.cta-panel{
  position:relative;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);
  border-radius:20px;
  padding:24px;
  -webkit-backdrop-filter:blur(4px);
  backdrop-filter:blur(4px);
}
.cta-panel h3{
  color:#fff;
  font-size:1rem;
  margin-bottom:16px;
}
.cta-panel li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:10px 0;
  font-size:.92rem;
  line-height:1.7;
  color:rgba(238,246,242,.9);
}
.cta-panel li + li{border-top:1px solid rgba(255,255,255,.12);}
.cta-panel .dot{
  flex:none;
  width:20px;height:20px;
  border-radius:50%;
  background:rgba(240,106,78,.9);
  color:#fff;
  font-size:11px;
  font-weight:800;
  display:flex;align-items:center;justify-content:center;
  margin-top:2px;
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand-strong);
  color:#DCEAE5;
  padding:72px 0 28px;
  position:relative;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(220,234,229,.4),transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:44px;
  padding-bottom:48px;
}
.footer-brand .brand{
  color:#fff;
  margin-bottom:18px;
}
.footer-brand .brand-text small{color:rgba(220,234,229,.65);}
.footer-brand p{
  font-size:.9rem;
  line-height:1.85;
  color:rgba(220,234,229,.72);
  max-width:32em;
  margin-bottom:16px;
}
.footer-contact{
  font-size:.875rem;
  color:rgba(220,234,229,.72);
}
.footer-contact a{color:#fff;border-bottom:1px solid rgba(255,255,255,.4);}
.footer-contact a:hover{color:var(--accent);border-color:var(--accent);}
.footer-col h4{
  color:#fff;
  font-size:.95rem;
  font-weight:700;
  letter-spacing:.04em;
  margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{
  font-size:.875rem;
  color:rgba(220,234,229,.76);
  transition:color var(--ease);
}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  border-top:1px solid rgba(220,234,229,.16);
  padding-top:22px;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  font-size:.8rem;
  color:rgba(220,234,229,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero-inner{gap:44px;}
  .dock{gap:14px;padding:10px 12px 10px 18px;}
  .nav-links{gap:16px;}
  .nav-link{font-size:14px;}
}

@media (max-width:1023px){
  .section{padding:64px 0;}
  .hero{padding:44px 0 72px;}
  .hero-inner{grid-template-columns:1fr;gap:48px;}
  .hero-visual{max-width:640px;}
  .float-card{position:static;width:100%;margin-top:18px;left:auto;bottom:auto;}
  .prep-grid{grid-template-columns:1fr;gap:40px;}
  .faq-grid{grid-template-columns:1fr;gap:36px;}
  .faq-aside{position:static;}
  .cta-card{grid-template-columns:1fr;padding:44px;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .nav-links{display:none;}
  .menu-toggle{display:inline-flex;}
}

@media (max-width:767px){
  .container{padding:0 20px;}
  .site-header{padding:8px 0 0;}
  .dock{
    width:calc(100% - 24px);
    min-height:56px;
    padding:8px 10px 8px 14px;
    gap:10px;
  }
  .brand-mark{width:22px;height:22px;}
  .brand-text{font-size:13px;}
  .brand-text small{font-size:9.5px;letter-spacing:.08em;}
  .nav-cta{padding:0 14px;font-size:13px;min-height:40px;}
  .icon-btn{width:36px;height:36px;}
  .hero{padding:36px 0 60px;}
  .hero h1{font-size:clamp(1.75rem,7vw,2.35rem);}
  .hero-lead{font-size:1rem;}
  .hero-actions .btn{flex:1 1 160px;}
  .hero-facts{gap:20px;}
  .hero-fact strong{font-size:1.25rem;}
  .section{padding:52px 0;}
  .section-head{margin-bottom:32px;}
  .timeline-item{grid-template-columns:44px 1fr;gap:16px;padding:20px;}
  .step-num{width:44px;height:44px;font-size:1rem;}
  .timeline-item:not(:last-child)::after{left:41px;height:14px;}
  .faq-question{padding:16px 18px;font-size:.97rem;}
  .faq-answer-inner{padding:0 18px 18px;}
  .cta-section{padding:56px 0 64px;}
  .cta-card{padding:30px 24px;border-radius:22px;}
  .cta-actions .btn{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px;}
  .site-footer{padding:52px 0 24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

@media (max-width:520px){
  .brand-text{font-size:12px;}
  .brand-text small{font-size:9px;}
  .nav-cta{padding:0 12px;font-size:12.5px;}
  .hero-facts{flex-direction:column;gap:14px;}
  .hero-facts .hero-fact{display:flex;align-items:baseline;gap:10px;}
  .hero-fact strong{font-size:1.15rem;}
  .checklist li{padding:14px;}
  .cta-panel{padding:18px;}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .hero-figure:hover img{transform:none;}
}

/* roulang page: category2 */
:root{
  --brand:#0D5C5A;
  --brand-strong:#083F3E;
  --brand-soft:#DCEDE8;
  --brand-wash:#EEF6F2;
  --accent:#F06A4E;
  --accent-hover:#D9543B;
  --bg:#F7F4EC;
  --surface:#FFFFFF;
  --surface-alt:#FFFDF8;
  --ink:#17201F;
  --muted:#5F6B68;
  --line:#D9D3C6;
  --success:#2F8F5B;
  --danger:#C9503F;
  --focus:#F06A4E;
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:18px;
  --radius-xl:24px;
  --shadow:0 8px 30px rgba(13,92,90,.08);
  --shadow-hover:0 12px 36px rgba(13,92,90,.14);
  --container:1216px;
  --ease:220ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding-top:104px;
  background:var(--bg);
  color:var(--ink);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
  font-size:1rem;
  line-height:1.78;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand);text-decoration:none;transition:color var(--ease),opacity var(--ease);}
a:hover{color:var(--accent);}
button{font:inherit;color:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:.012em;color:var(--ink);}
h1{font-size:clamp(2rem,4.4vw,3.6rem);line-height:1.18;}
h2{font-size:clamp(1.65rem,2.8vw,2.35rem);line-height:1.28;}
h3{font-size:1.25rem;line-height:1.42;font-weight:700;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- 顶部浮动导航 ---------- */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:80;display:flex;justify-content:center;padding:0 16px;}
.dock{
  width:min(1180px,100%);
  min-height:68px;
  display:flex;align-items:center;gap:18px;
  padding:0 14px 0 20px;
  background:rgba(255,253,248,.95);
  border:1px solid rgba(13,92,90,.12);
  border-radius:999px;
  box-shadow:0 8px 30px rgba(13,92,90,.10);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink);}
.brand:hover{color:var(--brand);}
.brand-mark{
  width:26px;height:26px;flex:0 0 auto;border-radius:50%;
  background:
    radial-gradient(circle at 30% 30%,#ffffff 0 18%,transparent 19%),
    linear-gradient(135deg,var(--brand) 0%,#16938C 55%,var(--accent) 100%);
  box-shadow:inset 0 0 0 3px rgba(255,255,255,.55);
}
.brand-text{display:flex;flex-direction:column;line-height:1.16;font-weight:800;font-size:15px;letter-spacing:.01em;}
.brand-text small{font-weight:600;font-size:11px;color:var(--muted);letter-spacing:.06em;}
.nav-links{display:flex;align-items:center;gap:22px;margin:0 auto;}
.nav-link{
  position:relative;font-size:14.5px;font-weight:600;color:var(--muted);
  padding:6px 2px;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:-2px;width:0;height:2px;border-radius:2px;
  background:var(--accent);transform:translateX(-50%);transition:width var(--ease);
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{width:70%;}
.nav-link.active{color:var(--brand);}
.nav-link.active::after{width:70%;background:var(--accent);}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid transparent;border-radius:50%;
  color:var(--brand);transition:background var(--ease),border-color var(--ease),color var(--ease);
}
.icon-btn:hover{background:var(--brand-wash);border-color:rgba(13,92,90,.16);color:var(--brand-strong);}
.icon-btn svg{width:20px;height:20px;}
.menu-toggle{display:none;}

/* 按钮体系 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(240,106,78,.26);}
.btn-primary:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(240,106,78,.3);}
.btn-outline{background:transparent;color:var(--brand);border-color:rgba(13,92,90,.32);}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-strong);border-color:rgba(13,92,90,.5);}
.btn-light{background:#fff;color:var(--brand);border-color:rgba(255,255,255,.4);}
.btn-light:hover{background:var(--brand-soft);color:var(--brand-strong);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}

/* 搜索条 */
.search-panel{
  position:fixed;top:96px;left:50%;transform:translateX(-50%) translateY(-8px);
  width:min(760px,calc(100% - 32px));
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
  box-shadow:var(--shadow-hover);padding:14px;z-index:79;
  opacity:0;visibility:hidden;pointer-events:none;transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
}
.search-panel.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0);}
.search-form{display:flex;gap:10px;}
.search-form input{
  flex:1;height:48px;padding:0 16px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:#fff;color:var(--ink);font-size:15px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.search-form input::placeholder{color:#9aa4a0;}
.search-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(240,106,78,.22);}

/* 移动端抽屉 */
.mobile-panel{
  position:fixed;top:88px;left:12px;right:12px;z-index:78;
  background:var(--surface-alt);border:1px solid var(--line);border-radius:var(--radius-md);
  box-shadow:var(--shadow-hover);padding:12px;
  display:none;
}
.mobile-panel.is-open{display:block;}
.mobile-panel a{
  display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:12px;
  color:var(--ink);font-weight:600;font-size:15px;
}
.mobile-panel a:hover,.mobile-panel a.active{background:var(--brand-wash);color:var(--brand);}
.mobile-panel .mobile-cta{margin-top:8px;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,var(--brand-wash) 0%,var(--bg) 100%);padding:64px 0 76px;}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.1;pointer-events:none;}
.hero::after{
  content:"";position:absolute;right:-120px;top:-80px;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(13,92,90,.12);box-shadow:0 0 0 40px rgba(13,92,90,.03);pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;background:var(--brand-soft);color:var(--brand);
  font-size:13px;font-weight:700;letter-spacing:.04em;
}
.hero-copy h1{margin:18px 0 16px;}
.hero-copy .lede{font-size:1.075rem;line-height:1.85;color:var(--muted);max-width:36em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 24px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14px;color:var(--muted);}
.hero-points li{display:inline-flex;align-items:center;gap:8px;}
.hero-points li::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);flex:0 0 auto;
}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-xl);
  box-shadow:var(--shadow);
}
.hero-float{
  position:absolute;left:-14px;bottom:-22px;width:min(300px,86%);
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
  box-shadow:var(--shadow-hover);padding:16px 18px;
}
.hero-float h3{font-size:14px;color:var(--brand);margin-bottom:10px;letter-spacing:.02em;}
.hero-float li{
  display:flex;gap:10px;font-size:13.5px;color:var(--muted);line-height:1.6;padding:5px 0;
}
.hero-float li span{
  flex:0 0 auto;width:20px;height:20px;border-radius:50%;background:var(--brand-wash);color:var(--brand);
  font-size:11px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;
}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-alt{background:var(--surface-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head h2{margin:14px 0 14px;}
.section-head p{color:var(--muted);font-size:1.02rem;}

/* 服务索引：非对称双栏 */
.service-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:64px;align-items:start;}
.service-intro{position:sticky;top:120px;}
.service-intro h2{margin:14px 0 16px;}
.service-intro p{color:var(--muted);}
.service-intro .btn{margin-top:12px;}
.service-list{border-top:1px solid var(--line);}
.service-item{
  display:grid;grid-template-columns:64px 1fr auto;gap:20px;align-items:start;
  padding:26px 4px;border-bottom:1px solid var(--line);
  transition:background var(--ease),padding var(--ease);
}
.service-item:hover{background:var(--brand-wash);padding-left:14px;padding-right:14px;}
.service-num{
  font-size:22px;font-weight:800;color:var(--brand);line-height:1.2;
  font-variant-numeric:tabular-nums;padding-top:2px;
}
.service-item h3{margin-bottom:6px;font-size:1.15rem;}
.service-item p{color:var(--muted);font-size:.965rem;margin:0;max-width:44em;}
.service-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand);
  white-space:nowrap;padding-top:4px;
}
.service-link::after{content:"→";transition:transform var(--ease);}
.service-link:hover{color:var(--accent);}
.service-link:hover::after{transform:translateX(4px);}

/* 数据条 */
.stat-band{background:var(--brand);color:#fff;border-radius:var(--radius-lg);padding:34px 36px;box-shadow:var(--shadow);}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat-item{padding-left:22px;border-left:1px solid rgba(255,255,255,.22);}
.stat-item:first-child{border-left:none;padding-left:0;}
.stat-num{font-size:clamp(1.6rem,2.6vw,2.1rem);font-weight:800;line-height:1.2;letter-spacing:.01em;}
.stat-num small{font-size:.9rem;font-weight:600;margin-left:4px;opacity:.85;}
.stat-item p{margin:6px 0 0;font-size:14px;color:rgba(255,255,255,.82);line-height:1.6;}

/* 能力标签带 */
.tag-band{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px;}
.tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:999px;background:var(--surface);
  border:1px solid var(--line);color:var(--brand);font-size:14px;font-weight:600;
  transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);}
.tag:hover{border-color:rgba(13,92,90,.35);box-shadow:var(--shadow);transform:translateY(-2px);}

/* 深色图文块 */
.dark-block{
  background:var(--brand-strong);color:#fff;border-radius:var(--radius-xl);
  padding:52px;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  position:relative;overflow:hidden;
}
.dark-block::before{
  content:"";position:absolute;right:-90px;bottom:-120px;width:340px;height:340px;border-radius:50%;
  border:1px solid rgba(255,255,255,.16);box-shadow:0 0 0 36px rgba(255,255,255,.04);
}
.dark-block h2{color:#fff;margin-bottom:16px;position:relative;}
.dark-block p{color:rgba(255,255,255,.82);position:relative;}
.dark-list{position:relative;margin-top:22px;display:grid;gap:14px;}
.dark-list li{display:flex;gap:12px;font-size:14.5px;color:rgba(255,255,255,.9);line-height:1.7;}
.dark-list li span{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  background:rgba(255,255,255,.14);color:#fff;font-size:12px;font-weight:800;
  display:inline-flex;align-items:center;justify-content:center;margin-top:2px;
}
.dark-block img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-md);position:relative;}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:60px;align-items:start;}
.faq-side h2{margin:14px 0 16px;}
.faq-side p{color:var(--muted);}
.faq-side .btn{margin-top:14px;}
.faq-list{max-width:880px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 6px;cursor:pointer;list-style:none;
  font-size:1.02rem;font-weight:700;color:var(--ink);
  transition:background var(--ease),color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-item summary .plus{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid rgba(13,92,90,.28);
  display:inline-flex;align-items:center;justify-content:center;color:var(--brand);
  font-size:16px;font-weight:700;line-height:1;transition:transform var(--ease),background var(--ease);
}
.faq-item[open] summary{color:var(--brand);}
.faq-item[open] summary .plus{transform:rotate(45deg);background:var(--brand-wash);}
.faq-body{padding:0 6px 22px;color:var(--muted);font-size:.98rem;line-height:1.85;max-width:46em;}
.faq-item[open] .faq-body{background:rgba(13,92,90,.045);border-radius:12px;padding:16px 18px 20px;}

/* CTA */
.cta-section{padding:88px 0 96px;}
.cta-card{
  position:relative;overflow:hidden;background:var(--brand-strong);color:#fff;
  border-radius:var(--radius-xl);padding:56px;display:grid;grid-template-columns:1.15fr .85fr;
  gap:48px;align-items:center;box-shadow:var(--shadow-hover);
}
.cta-card::before{
  content:"";position:absolute;left:-120px;top:-140px;width:380px;height:380px;border-radius:50%;
  border:1px solid rgba(255,255,255,.14);box-shadow:0 0 0 40px rgba(255,255,255,.035);
}
.cta-card h2{color:#fff;position:relative;margin-bottom:16px;}
.cta-card p{color:rgba(255,255,255,.82);position:relative;max-width:34em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;position:relative;}
.cta-side{position:relative;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-md);padding:22px 24px;}
.cta-side h3{color:#fff;font-size:15px;margin-bottom:14px;}
.cta-side li{display:flex;gap:12px;font-size:14px;color:rgba(255,255,255,.86);padding:7px 0;line-height:1.65;}
.cta-side li span{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:var(--accent);color:#fff;
  font-size:12px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;margin-top:1px;
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-strong);color:#EEF6F2;padding:64px 0 26px;position:relative;}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.28),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .brand{color:#fff;margin-bottom:16px;}
.footer-brand .brand-text small{color:rgba(255,255,255,.62);}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.8;max-width:32em;}
.footer-contact{margin-top:14px;font-size:13.5px;color:rgba(255,255,255,.72);}
.footer-contact a{color:var(--brand-soft);font-weight:600;}
.footer-contact a:hover{color:var(--accent);}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.04em;font-weight:700;}
.footer-col li{padding:5px 0;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  margin-top:46px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:space-between;
  font-size:12.5px;color:rgba(255,255,255,.6);line-height:1.7;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero-grid{gap:40px;}
  .service-layout{gap:44px;}
  .faq-layout{gap:40px;}
  .dark-block,.cta-card{padding:44px;}
}
@media (max-width:1023px){
  body{padding-top:96px;}
  .nav-links{display:none;}
  .menu-toggle{display:inline-flex;}
  .dock{min-height:62px;padding:0 12px 0 16px;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero{padding:48px 0 64px;}
  .hero-media{max-width:620px;}
  .hero-float{left:auto;right:12px;bottom:-18px;}
  .section{padding:64px 0;}
  .service-layout{grid-template-columns:1fr;gap:32px;}
  .service-intro{position:static;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .dark-block{grid-template-columns:1fr;gap:32px;}
  .cta-card{grid-template-columns:1fr;gap:32px;padding:44px 36px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:22px;}
  .stat-item:nth-child(3){border-left:none;padding-left:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:767px){
  body{padding-top:88px;font-size:.98rem;}
  .container{padding:0 20px;}
  .site-header{top:8px;padding:0 12px;}
  .dock{min-height:56px;gap:10px;padding:0 10px 0 14px;}
  .brand-text{font-size:13.5px;}
  .brand-text small{font-size:10px;}
  .brand-mark{width:22px;height:22px;}
  .dock-actions .btn-primary{min-height:38px;padding:0 14px;font-size:13.5px;}
  .hero{padding:40px 0 56px;}
  .hero-copy .lede{font-size:1rem;}
  .hero-float{position:static;width:100%;margin-top:18px;left:auto;bottom:auto;}
  .service-item{grid-template-columns:44px 1fr;gap:14px;padding:22px 2px;}
  .service-link{grid-column:2;padding-top:8px;}
  .service-num{font-size:19px;}
  .section{padding:52px 0;}
  .stat-band{padding:26px 22px;}
  .stat-grid{grid-template-columns:1fr;gap:18px;}
  .stat-item{border-left:none;padding-left:0;padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.18);}
  .stat-item:last-child{padding-bottom:0;border-bottom:none;}
  .dark-block,.cta-card{padding:30px 22px;border-radius:var(--radius-lg);}
  .cta-section{padding:56px 0 64px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  .search-panel{top:76px;}
  .mobile-panel{top:76px;}
}
@media (max-width:520px){
  .hero-actions .btn{width:100%;}
  .faq-item summary{font-size:.98rem;padding:18px 2px;}
  .tag{font-size:13px;padding:8px 13px;}
  .cta-actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category3 */
:root{
  --brand:#0D5C5A;
  --brand-strong:#083F3E;
  --brand-soft:#DCEDE8;
  --brand-wash:#EEF6F2;
  --accent:#F06A4E;
  --accent-hover:#D9543B;
  --bg:#F7F4EC;
  --surface:#FFFFFF;
  --surface-alt:#FFFDF8;
  --ink:#17201F;
  --muted:#5F6B68;
  --line:#D9D3C6;
  --success:#2F8F5B;
  --danger:#C9503F;
  --focus:#F06A4E;
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:18px;
  --shadow-soft:0 8px 30px rgba(13,92,90,.08);
  --shadow-hover:0 12px 36px rgba(13,92,90,.14);
  --ease:220ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:1rem;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.012em;color:var(--ink)}
h1{font-size:clamp(2rem,4.4vw,3.4rem);line-height:1.18}
h2{font-size:clamp(1.65rem,2.8vw,2.3rem);line-height:1.26}
h3{font-size:1.25rem;line-height:1.4}
p{margin:0}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--accent-hover)}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;cursor:pointer}
input{font:inherit}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-tight{padding:64px 0}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--surface);padding:12px 18px;border-radius:var(--radius-sm);z-index:200}
.skip-link:focus{left:16px;top:16px}

/* ============ Dock 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  padding:16px 16px 0;
}
.nav-dock{
  position:relative;
  width:min(1180px,100%);
  margin:0 auto;
  min-height:68px;
  display:flex;
  align-items:center;
  gap:18px;
  padding:10px 14px 10px 20px;
  background:rgba(255,253,248,.95);
  border:1px solid rgba(13,92,90,.12);
  border-radius:999px;
  box-shadow:0 10px 34px rgba(13,92,90,.10);
  backdrop-filter:blur(8px);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand:hover{color:var(--brand)}
.brand-mark{
  width:28px;height:28px;flex:none;border-radius:9px;
  background:
    radial-gradient(circle at 30% 30%,rgba(255,255,255,.85) 0 18%,transparent 19%),
    linear-gradient(140deg,var(--brand) 0%,#0F7370 55%,var(--accent) 100%);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.12}
.brand-text span{font-size:1rem;font-weight:800;color:var(--brand-strong);letter-spacing:.02em}
.brand-text small{font-size:.72rem;color:var(--muted);letter-spacing:.08em}
.nav-links{display:flex;align-items:center;gap:22px;margin-left:8px}
.nav-link{
  position:relative;
  font-size:.94rem;
  color:var(--ink);
  padding:6px 2px;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;left:50%;bottom:-2px;
  width:0;height:2px;border-radius:2px;
  background:var(--brand);
  transform:translateX(-50%);
  transition:width var(--ease);
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{width:60%}
.nav-link.active{color:var(--brand);font-weight:700}
.nav-link.active::after{width:70%;background:var(--accent)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:var(--surface);border-radius:50%;
  color:var(--brand);transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.icon-btn:hover{background:var(--brand-soft);border-color:var(--brand-soft);color:var(--brand-strong)}
.icon-btn svg{width:18px;height:18px}
.nav-toggle{display:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:.95rem;font-weight:700;border:1px solid transparent;
  transition:transform var(--ease),background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.btn-sm{min-height:40px;padding:0 18px;font-size:.9rem}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(240,106,78,.28)}
.btn-primary:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:var(--surface);color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-strong)}
.btn-light{background:var(--surface-alt);color:var(--brand-strong)}
.btn-light:hover{background:#fff;color:var(--brand-strong);transform:translateY(-1px)}
.btn-outline-light{background:transparent;color:#F4FBF8;border-color:rgba(244,251,248,.55)}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none}
.search-panel{
  position:absolute;left:0;right:0;top:calc(100% + 10px);
  display:none;
  padding:14px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-soft);
}
.search-panel.is-open{display:block}
.search-form{display:flex;gap:10px}
.search-form input{
  flex:1;height:44px;padding:0 14px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:var(--surface-alt);color:var(--ink);
}
.search-form input:focus{border-color:var(--brand);outline:2px solid rgba(240,106,78,.35);outline-offset:1px}

/* ============ Hero ============ */
.hero{
  position:relative;
  overflow:hidden;
  padding:72px 0 76px;
  margin-top:8px;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  opacity:.09;
}
.hero::after{
  content:"";
  position:absolute;right:-140px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle at 40% 40%,rgba(13,92,90,.14),rgba(13,92,90,0) 68%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-soft);color:var(--brand-strong);
  font-size:.82rem;font-weight:700;letter-spacing:.04em;
  padding:6px 14px;border-radius:999px;
}
.hero h1{margin-top:20px}
.hero h1 em{font-style:normal;color:var(--brand);position:relative;white-space:nowrap}
.hero-lead{margin-top:20px;max-width:34em;font-size:1.06rem;color:var(--muted);line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-meta{display:flex;flex-wrap:wrap;gap:26px;margin-top:34px;padding-top:24px;border-top:1px solid var(--line)}
.hero-meta div{min-width:110px}
.hero-meta strong{display:block;font-size:1.5rem;color:var(--brand-strong);line-height:1.2}
.hero-meta span{font-size:.82rem;color:var(--muted)}
.hero-figure{position:relative}
.hero-figure img{
  width:100%;aspect-ratio:16/11;object-fit:cover;object-position:center;
  border-radius:24px;border:1px solid rgba(13,92,90,.14);
  box-shadow:var(--shadow-hover);
}
.hero-note{
  position:absolute;left:-18px;bottom:-26px;
  width:min(292px,88%);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-soft);
  padding:16px 18px;
}
.hero-note h3{font-size:.95rem;color:var(--brand-strong)}
.hero-note ul{margin-top:10px;display:grid;gap:8px}
.hero-note li{display:flex;gap:8px;font-size:.85rem;color:var(--muted);line-height:1.55}
.hero-note li::before{content:"";flex:none;width:7px;height:7px;margin-top:.55em;border-radius:50%;background:var(--accent)}

/* ============ 通用板块头 ============ */
.section-head{max-width:760px;margin-bottom:40px}
.section-head .eyebrow{
  display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.14em;
  color:var(--brand);text-transform:uppercase;margin-bottom:12px;
}
.section-head p{margin-top:14px;color:var(--muted)}

/* ============ 双栏安全原则 ============ */
.principle{background:var(--surface-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.principle-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:start}
.principle p{color:var(--muted);margin-top:16px}
.check-list{margin-top:26px;display:grid;gap:14px}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 16px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-md);
  transition:box-shadow var(--ease),transform var(--ease);
}
.check-list li:hover{box-shadow:var(--shadow-soft);transform:translateY(-2px)}
.check-list .tick{
  flex:none;width:24px;height:24px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand-strong);
  display:inline-flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:800;
}
.check-list strong{display:block;font-size:.98rem;color:var(--ink)}
.check-list span{font-size:.88rem;color:var(--muted);line-height:1.6}
.principle-figure{position:relative;padding-bottom:34px}
.principle-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;object-position:60% center;
  border-radius:var(--radius-lg);border:1px solid var(--line);box-shadow:var(--shadow-soft);
}
.step-float{
  position:relative;margin:-56px 0 0 28px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-md);box-shadow:var(--shadow-soft);
  padding:18px 20px;max-width:330px;
}
.step-float h3{font-size:1rem;color:var(--brand-strong)}
.step-float ol{margin-top:12px;display:grid;gap:10px;counter-reset:s}
.step-float li{position:relative;padding-left:28px;font-size:.87rem;color:var(--muted);line-height:1.6;counter-increment:s}
.step-float li::before{
  content:counter(s);
  position:absolute;left:0;top:.1em;
  width:20px;height:20px;border-radius:6px;background:var(--brand-wash);
  color:var(--brand);font-size:.72rem;font-weight:800;
  display:flex;align-items:center;justify-content:center;
}

/* ============ 风险提示卡 ============ */
.risk-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.risk-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:24px 22px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.risk-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-soft);border-color:rgba(13,92,90,.28)}
.risk-card .ico{
  width:42px;height:42px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-wash);color:var(--brand);margin-bottom:16px;
}
.risk-card .ico svg{width:22px;height:22px}
.risk-card h3{font-size:1.05rem;margin-bottom:8px}
.risk-card p{font-size:.9rem;color:var(--muted);line-height:1.7}
.risk-card .tag{
  display:inline-block;margin-top:16px;font-size:.75rem;font-weight:700;
  color:var(--danger);background:rgba(201,80,63,.08);
  padding:4px 10px;border-radius:999px;
}

/* ============ 时间线 ============ */
.timeline-section{background:var(--brand-wash);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.timeline{position:relative;margin-top:8px;padding-left:34px}
.timeline::before{
  content:"";position:absolute;left:11px;top:10px;bottom:10px;width:2px;
  background:linear-gradient(180deg,var(--brand) 0%,rgba(13,92,90,.16) 100%);
  border-radius:2px;
}
.timeline-item{position:relative;padding:0 0 30px 0}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{
  content:"";position:absolute;left:-34px;top:6px;
  width:24px;height:24px;border-radius:50%;
  background:var(--surface);border:2px solid var(--brand);
  box-shadow:0 0 0 5px rgba(13,92,90,.08);
}
.timeline-item h3{font-size:1.1rem;color:var(--brand-strong)}
.timeline-item p{margin-top:8px;color:var(--muted);font-size:.95rem;max-width:60ch}
.timeline-item .num{
  display:inline-block;font-size:.75rem;font-weight:800;letter-spacing:.1em;
  color:var(--brand);margin-bottom:6px;
}

/* ============ 保障条 ============ */
.assure-strip{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-soft);
  display:grid;grid-template-columns:repeat(4,1fr);
  overflow:hidden;
}
.assure-item{padding:26px 22px;border-left:1px solid var(--line)}
.assure-item:first-child{border-left:none}
.assure-item .assure-ico{color:var(--brand);margin-bottom:12px}
.assure-item svg{width:24px;height:24px}
.assure-item h3{font-size:.98rem;margin-bottom:6px}
.assure-item p{font-size:.82rem;color:var(--muted);line-height:1.6}

/* ============ FAQ ============ */
.faq-section{background:var(--surface-alt);border-top:1px solid var(--line)}
.faq-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:56px;align-items:start}
.faq-aside p{margin-top:16px;color:var(--muted)}
.faq-aside .aside-card{
  margin-top:26px;padding:20px 22px;
  background:var(--brand-wash);border:1px solid rgba(13,92,90,.16);
  border-radius:var(--radius-md);
}
.faq-aside .aside-card h3{font-size:.98rem;color:var(--brand-strong)}
.faq-aside .aside-card p{margin-top:8px;font-size:.88rem}
.faq-list{display:grid;gap:12px;max-width:880px}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:0 20px;
  transition:background var(--ease),border-color var(--ease);
}
.faq-item[open]{background:rgba(13,92,90,.05);border-color:rgba(13,92,90,.26)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 0;font-size:1rem;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .chev{
  flex:none;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);background:var(--surface);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--brand);transition:transform var(--ease),background var(--ease);
}
.faq-item[open] summary .chev{transform:rotate(45deg);background:var(--brand-soft);border-color:var(--brand-soft)}
.faq-item .answer{padding:0 0 20px;color:var(--muted);font-size:.94rem;line-height:1.8;border-top:1px solid rgba(13,92,90,.12);padding-top:14px}

/* ============ CTA ============ */
.cta-section{padding:80px 0 96px}
.cta-card{
  position:relative;overflow:hidden;
  background:var(--brand-strong);
  border-radius:26px;
  padding:56px;
  display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;
  box-shadow:0 18px 50px rgba(8,63,62,.26);
}
.cta-card::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;opacity:.14;
}
.cta-card > *{position:relative}
.cta-card h2{color:#F4FBF8}
.cta-card p{margin-top:16px;color:rgba(244,251,248,.82);max-width:46ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cta-side{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(244,251,248,.22);
  border-radius:var(--radius-lg);
  padding:24px;
}
.cta-side h3{color:#F4FBF8;font-size:1rem;margin-bottom:14px}
.cta-side ol{display:grid;gap:12px;counter-reset:c}
.cta-side li{position:relative;padding-left:30px;counter-increment:c;color:rgba(244,251,248,.86);font-size:.9rem;line-height:1.6}
.cta-side li::before{
  content:counter(c);
  position:absolute;left:0;top:0;width:21px;height:21px;border-radius:6px;
  background:rgba(240,106,78,.9);color:#fff;font-size:.72rem;font-weight:800;
  display:flex;align-items:center;justify-content:center;
}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-strong);color:#EAF4EF;padding:70px 0 30px;position:relative}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,rgba(244,251,248,0),rgba(244,251,248,.45),rgba(244,251,248,0));
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px}
.footer-brand .brand-text span{color:#F4FBF8}
.footer-brand .brand-text small{color:rgba(244,251,248,.6)}
.footer-brand .brand-mark{box-shadow:inset 0 0 0 1px rgba(255,255,255,.25)}
.footer-brand p{margin-top:18px;font-size:.9rem;color:rgba(234,244,239,.72);line-height:1.8;max-width:34ch}
.footer-contact{margin-top:16px;font-size:.85rem;color:rgba(234,244,239,.72)}
.footer-contact a{color:#F4FBF8;border-bottom:1px solid rgba(244,251,248,.4);padding-bottom:1px}
.footer-contact a:hover{color:var(--accent)}
.footer-col h4{font-size:.95rem;color:#F4FBF8;margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:.88rem;color:rgba(234,244,239,.74)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  margin-top:52px;padding-top:22px;
  border-top:1px solid rgba(244,251,248,.16);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:.8rem;color:rgba(234,244,239,.6);
}
.site-footer a{color:rgba(234,244,239,.74)}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .section{padding:66px 0}
  .nav-dock{gap:12px;padding:10px 12px 10px 16px}
  .nav-links{gap:16px;margin-left:0}
  .hero-inner{grid-template-columns:1fr;gap:44px}
  .hero-figure{max-width:640px}
  .hero-note{position:static;width:100%;max-width:none;margin-top:18px;box-shadow:none}
  .principle-grid{grid-template-columns:1fr;gap:40px}
  .step-float{margin:-46px 0 0 0;max-width:none}
  .risk-grid{grid-template-columns:repeat(2,1fr)}
  .assure-strip{grid-template-columns:repeat(2,1fr)}
  .assure-item:nth-child(3){border-left:none;border-top:1px solid var(--line)}
  .assure-item:nth-child(4){border-top:1px solid var(--line)}
  .faq-grid{grid-template-columns:1fr;gap:34px}
  .cta-card{grid-template-columns:1fr;padding:40px 32px;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:820px){
  .nav-links{display:none}
  .nav-toggle{
    display:inline-flex;align-items:center;justify-content:center;
    width:40px;height:40px;border-radius:50%;
    border:1px solid var(--line);background:var(--surface);color:var(--brand);
  }
  .nav-dock.is-open .nav-links{
    display:flex;flex-direction:column;align-items:stretch;gap:4px;
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    padding:12px;background:var(--surface-alt);
    border:1px solid var(--line);border-radius:16px;
    box-shadow:var(--shadow-hover);
  }
  .nav-dock.is-open .nav-link{
    padding:12px 14px;border-radius:10px;min-height:44px;display:flex;align-items:center;
  }
  .nav-dock.is-open .nav-link::after{display:none}
  .nav-dock.is-open .nav-link:hover,
  .nav-dock.is-open .nav-link.active{background:var(--brand-wash)}
}
@media (max-width:767px){
  .site-header{padding:8px 12px 0}
  .nav-dock{min-height:56px;padding:8px 10px 8px 14px}
  .brand-text span{font-size:.92rem}
  .brand-text small{font-size:.66rem}
  .btn-sm{min-height:36px;padding:0 14px;font-size:.84rem}
  .hero{padding:48px 0 56px}
  .hero h1{font-size:clamp(1.85rem,7.6vw,2.4rem)}
  .hero-lead{font-size:.98rem}
  .hero-actions .btn{width:100%}
  .section{padding:52px 0}
  .container{padding:0 20px}
  .risk-grid{grid-template-columns:1fr}
  .assure-strip{grid-template-columns:1fr}
  .assure-item{border-left:none;border-top:1px solid var(--line)}
  .assure-item:first-child{border-top:none}
  .cta-card{padding:32px 22px;border-radius:20px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column}
  .timeline{padding-left:28px}
  .timeline-item::before{left:-28px}
}
@media (max-width:520px){
  .hero-meta{gap:18px}
  .hero-meta strong{font-size:1.28rem}
  .faq-item{padding:0 16px}
  .faq-item summary{font-size:.95rem;padding:16px 0}
  .check-list li{padding:12px 14px}
  .search-form{flex-direction:column}
  .search-form .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .risk-card:hover,.check-list li:hover,.btn:hover{transform:none}
}

/* roulang page: category4 */
:root{
  --brand:#0D5C5A;
  --brand-strong:#083F3E;
  --brand-soft:#DCEDE8;
  --brand-wash:#EEF6F2;
  --accent:#F06A4E;
  --accent-hover:#D9543B;
  --bg:#F7F4EC;
  --surface:#FFFFFF;
  --surface-alt:#FFFDF8;
  --ink:#17201F;
  --muted:#5F6B68;
  --line:#D9D3C6;
  --success:#2F8F5B;
  --danger:#C9503F;
  --focus:#F06A4E;
  --radius-sm:10px;
  --radius-md:14px;
  --radius-lg:18px;
  --radius-xl:24px;
  --shadow-sm:0 4px 18px rgba(13,92,90,.06);
  --shadow:0 8px 30px rgba(13,92,90,.08);
  --shadow-lg:0 12px 36px rgba(13,92,90,.14);
  --container:1200px;
}
*,
*::before,
*::after{box-sizing:border-box}
html{
  scroll-behavior:smooth;
  scroll-padding-top:112px;
}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  font-variant-numeric:tabular-nums;
}
img{display:block;max-width:100%}
a{color:var(--brand);text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease}
a:hover{color:var(--accent)}
button,input{font:inherit}
button{cursor:pointer}
ul,ol{padding-left:1.25em}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:4px}
[hidden]{display:none !important}
.container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
.sr-only{
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
  white-space:nowrap;
  border:0;
}
.skip-link{
  position:fixed;
  left:16px;
  top:12px;
  z-index:999;
  padding:10px 16px;
  border-radius:10px;
  background:var(--brand-strong);
  color:#fff;
  transform:translateY(-160%);
  transition:transform .2s ease;
}
.skip-link:focus{transform:translateY(0);color:#fff}
.site-main{padding-top:104px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 20px;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  line-height:1.2;
  text-decoration:none;
  transition:background-color .22s ease,border-color .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{
  background:var(--accent);
  border-color:var(--accent);
  color:#fff;
  box-shadow:0 8px 20px rgba(240,106,78,.2);
}
.btn-primary:hover{
  background:var(--accent-hover);
  border-color:var(--accent-hover);
  color:#fff;
}
.btn-secondary{
  background:var(--surface);
  border-color:rgba(13,92,90,.35);
  color:var(--brand);
}
.btn-secondary:hover{
  background:var(--brand-wash);
  border-color:var(--brand);
  color:var(--brand-strong);
}
.btn-outline-light{
  background:transparent;
  border-color:rgba(255,255,255,.55);
  color:#fff;
}
.btn-outline-light:hover{
  background:rgba(255,255,255,.12);
  border-color:#fff;
  color:#fff;
}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 12px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand-strong);
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.04em;
  line-height:1.2;
}
.eyebrow.light{background:rgba(255,255,255,.14);color:#fff}
.site-header{
  position:fixed;
  top:16px;
  left:0;
  right:0;
  z-index:100;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  width:min(1180px,calc(100% - 32px));
  min-height:68px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:18px;
  padding:0 18px 0 22px;
  border:1px solid rgba(13,92,90,.12);
  border-radius:999px;
  background:rgba(255,253,248,.95);
  box-shadow:0 8px 30px rgba(13,92,90,.1);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--brand-strong);
  text-decoration:none;
}
.brand:hover{color:var(--brand-strong)}
.brand-mark{
  position:relative;
  flex:0 0 auto;
  width:30px;
  height:30px;
  border:2px solid var(--brand);
  border-radius:50%;
  background:linear-gradient(140deg,var(--brand-soft),rgba(255,255,255,.25));
}
.brand-mark::before{
  content:"";
  position:absolute;
  inset:6px;
  border:2px solid var(--accent);
  border-radius:50% 45% 50% 45%;
  transform:rotate(-18deg);
}
.brand-mark::after{
  content:"";
  position:absolute;
  top:9px;
  right:2px;
  width:5px;
  height:5px;
  border-radius:50%;
  background:var(--brand);
}
.brand-text{
  display:flex;
  flex-direction:column;
  line-height:1.05;
  font-size:15px;
  font-weight:800;
  letter-spacing:.02em;
}
.brand-text small{
  margin-top:3px;
  color:var(--brand);
  font-size:9.5px;
  font-weight:700;
  letter-spacing:.08em;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:4px;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:9px 10px;
  border-radius:999px;
  color:var(--muted);
  font-size:14.5px;
  font-weight:600;
  line-height:1.2;
  white-space:nowrap;
}
.nav-link:hover{
  color:var(--brand);
  background:var(--brand-wash);
}
.nav-link.active{
  color:var(--brand-strong);
  font-weight:800;
}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:3px;
  width:5px;
  height:5px;
  border-radius:50%;
  background:var(--accent);
  transform:translateX(-50%);
}
.dock-actions{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:auto;
}
.icon-btn{
  width:44px;
  height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:0;
  border:1px solid var(--line);
  border-radius:50%;
  background:var(--surface);
  color:var(--brand);
  transition:background-color .22s ease,border-color .22s ease,color .22s ease,transform .22s ease;
}
.icon-btn:hover{
  background:var(--brand-wash);
  border-color:rgba(13,92,90,.24);
  color:var(--brand-strong);
}
.icon-btn svg{width:19px;height:19px}
.menu-btn{display:none}
.search-panel{
  pointer-events:auto;
  position:fixed;
  top:96px;
  left:50%;
  z-index:120;
  width:min(760px,calc(100% - 32px));
  padding:12px;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  background:var(--surface);
  box-shadow:var(--shadow-lg);
  transform:translateX(-50%);
}
.search-form{display:flex;gap:10px}
.search-form .field{position:relative;flex:1}
.search-form .field svg{
  position:absolute;
  left:14px;
  top:50%;
  width:18px;
  height:18px;
  color:var(--muted);
  transform:translateY(-50%);
  pointer-events:none;
}
.search-form input{
  width:100%;
  height:48px;
  padding:0 14px 0 42px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:var(--surface-alt);
  color:var(--ink);
  transition:border-color .22s ease,box-shadow .22s ease,background-color .22s ease;
}
.search-form input::placeholder{color:#8B9491}
.search-form input:focus{
  outline:none;
  border-color:var(--brand);
  background:#fff;
  box-shadow:0 0 0 3px rgba(240,106,78,.16);
}
.mobile-drawer{
  pointer-events:auto;
  position:fixed;
  top:74px;
  left:12px;
  right:12px;
  z-index:115;
  padding:12px;
  border:1px solid var(--line);
  border-radius:16px;
  background:var(--surface-alt);
  box-shadow:var(--shadow-lg);
}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav .nav-link{
  display:flex;
  justify-content:flex-start;
  min-height:44px;
  padding:12px 14px;
  border-radius:10px;
}
.drawer-nav .nav-link.active{background:var(--brand-wash)}
.drawer-nav .nav-link.active::after{display:none}
.drawer-cta{margin-top:10px;width:100%}
.faq-hero{
  position:relative;
  overflow:hidden;
  padding:48px 0 74px;
  border-bottom:1px solid var(--line);
}
.hero-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-position:center 35%;
  background-size:cover;
  opacity:.09;
}
.hero-bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,var(--bg) 4%,rgba(247,244,236,.72) 52%,rgba(247,244,236,.6));
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:56px;
  align-items:center;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin-bottom:18px;
  color:var(--muted);
  font-size:13px;
}
.breadcrumb a{color:var(--brand);font-weight:600}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb span[aria-current]{color:var(--muted)}
h1{
  margin:18px 0;
  color:var(--brand-strong);
  font-size:clamp(2rem,4.4vw,3.55rem);
  font-weight:800;
  line-height:1.18;
  letter-spacing:.01em;
}
.hero-lead{
  max-width:620px;
  margin:0 0 26px;
  color:var(--muted);
  font-size:clamp(1rem,1.3vw,1.12rem);
  line-height:1.85;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:18px;
  margin-top:26px;
  padding-top:20px;
  border-top:1px solid rgba(13,92,90,.12);
  color:var(--muted);
  font-size:13px;
}
.hero-meta strong{
  margin-right:4px;
  color:var(--brand-strong);
  font-size:18px;
  font-weight:800;
}
.hero-visual{position:relative}
.hero-figure{
  margin:0;
  overflow:hidden;
  border:1px solid rgba(13,92,90,.14);
  border-radius:var(--radius-xl);
  background:var(--brand-soft);
  box-shadow:var(--shadow-lg);
}
.hero-figure img{
  width:100%;
  aspect-ratio:16 / 10;
  object-fit:cover;
  object-position:center;
}
.floating-card{
  position:absolute;
  left:-26px;
  bottom:-26px;
  width:min(318px,calc(100% - 24px));
  padding:16px 18px;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  background:var(--surface-alt);
  box-shadow:var(--shadow-lg);
}
.floating-title{
  margin:0 0 8px;
  color:var(--brand-strong);
  font-size:12.5px;
  font-weight:800;
  letter-spacing:.06em;
}
.quick-link{
  display:flex;
  align-items:center;
  gap:9px;
  padding:7px 0;
  border-bottom:1px solid rgba(217,211,198,.65);
  color:var(--ink);
  font-size:13px;
  font-weight:600;
  line-height:1.45;
}
.quick-link:last-child{border-bottom:none}
.quick-link span{
  flex:0 0 auto;
  color:var(--accent);
  font-size:10.5px;
  font-weight:800;
  letter-spacing:.04em;
}
.quick-link:hover{color:var(--brand)}
.filter-band{
  position:relative;
  z-index:3;
  margin-top:-30px;
  margin-bottom:0;
}
.filter-panel{
  display:flex;
  flex-direction:column;
  gap:14px;
  padding:18px;
  border:1px solid var(--line);
  border-radius:22px;
  background:var(--surface);
  box-shadow:var(--shadow);
}
.filter-main{display:flex;flex-wrap:wrap;align-items:center;gap:14px}
.search-field{position:relative;flex:1 1 320px}
.search-field svg{
  position:absolute;
  left:14px;
  top:50%;
  width:18px;
  height:18px;
  color:var(--muted);
  transform:translateY(-50%);
  pointer-events:none;
}
.search-field input{
  width:100%;
  height:50px;
  padding:0 14px 0 42px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:var(--surface-alt);
  color:var(--ink);
  transition:border-color .22s ease,box-shadow .22s ease,background-color .22s ease;
}
.search-field input::placeholder{color:#8B9491}
.search-field input:focus{
  outline:none;
  border-color:var(--brand);
  background:#fff;
  box-shadow:0 0 0 3px rgba(240,106,78,.16);
}
.chip-row{display:flex;flex-wrap:wrap;gap:8px}
.filter-chip{
  min-height:38px;
  padding:8px 13px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--surface-alt);
  color:var(--muted);
  font-size:13px;
  font-weight:600;
  line-height:1.2;
  transition:background-color .22s ease,border-color .22s ease,color .22s ease,transform .22s ease;
}
.filter-chip:hover{
  border-color:rgba(13,92,90,.35);
  background:var(--brand-wash);
  color:var(--brand-strong);
  transform:translateY(-1px);
}
.filter-chip.active{
  border-color:var(--brand);
  background:var(--brand);
  color:#fff;
}
.filter-tip{
  margin:0;
  color:var(--muted);
  font-size:12.5px;
  line-height:1.6;
}
.section{padding:78px 0}
.section.tight-top{padding-top:28px}
.section-heading{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:32px;
  margin-bottom:32px;
}
.section-heading .copy{max-width:760px}
.section-heading h2{
  margin:12px 0 10px;
  color:var(--brand-strong);
  font-size:clamp(1.65rem,2.8vw,2.35rem);
  line-height:1.25;
  letter-spacing:.01em;
}
.section-heading p{
  margin:0;
  color:var(--muted);
  font-size:15.5px;
  line-height:1.82;
}
.section-link{
  flex:0 0 auto;
  padding-bottom:3px;
  border-bottom:1px solid rgba(13,92,90,.35);
  color:var(--brand);
  font-size:14px;
  font-weight:700;
  white-space:nowrap;
}
.section-link:hover{color:var(--accent);border-color:var(--accent)}
.faq-layout{
  display:grid;
  grid-template-columns:260px minmax(0,1fr);
  gap:40px;
  align-items:start;
}
.faq-aside{position:sticky;top:104px}
.aside-card{
  padding:20px;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  background:var(--surface-alt);
  box-shadow:var(--shadow-sm);
}
.aside-card + .aside-card{margin-top:16px}
.aside-title{
  margin:0 0 12px;
  color:var(--brand-strong);
  font-size:14px;
  font-weight:800;
  letter-spacing:.04em;
}
.aside-nav{display:flex;flex-direction:column}
.aside-nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:11px 4px;
  border-bottom:1px solid rgba(217,211,198,.7);
  color:var(--ink);
  font-size:14px;
  font-weight:600;
}
.aside-nav a:last-child{border-bottom:none}
.aside-nav a:hover{color:var(--accent)}
.aside-nav span{
  flex:0 0 auto;
  padding:2px 7px;
  border-radius:999px;
  background:var(--brand-wash);
  color:var(--muted);
  font-size:11.5px;
}
.aside-tip{
  margin:16px 0 0;
  padding:14px;
  border:1px dashed rgba(13,92,90,.25);
  border-radius:12px;
  background:var(--brand-wash);
  color:var(--brand-strong);
  font-size:13px;
  line-height:1.7;
}
.mini-list{
  display:grid;
  gap:8px;
  margin:0;
  padding:0;
  list-style:none;
}
.mini-list li{
  position:relative;
  padding-left:16px;
  color:var(--muted);
  font-size:12.8px;
  line-height:1.65;
}
.mini-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:.6em;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--accent);
}
.faq-main{min-width:0}
.faq-group{
  margin-bottom:36px;
  scroll-margin-top:116px;
}
.faq-group:last-of-type{margin-bottom:0}
.faq-group-head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:16px;
  margin-bottom:14px;
  padding-bottom:10px;
  border-bottom:2px solid rgba(13,92,90,.18);
}
.faq-group-head h3{
  margin:0;
  color:var(--brand-strong);
  font-size:1.25rem;
  line-height:1.4;
}
.faq-group-head span{color:var(--muted);font-size:12px}
.faq-item{
  margin-bottom:10px;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  background:var(--surface);
  transition:box-shadow .22s ease,border-color .22s ease,background-color .22s ease;
}
.faq-item:hover{
  border-color:rgba(13,92,90,.24);
  box-shadow:var(--shadow-sm);
}
.faq-item summary{
  position:relative;
  display:block;
  padding:17px 54px 17px 20px;
  list-style:none;
  color:var(--ink);
  font-size:16.5px;
  font-weight:700;
  line-height:1.5;
  cursor:pointer;
  transition:background-color .22s ease,color .22s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--brand-wash)}
.faq-icon{
  position:absolute;
  top:50%;
  right:18px;
  width:24px;
  height:24px;
  border-radius:50%;
  background:var(--brand-wash);
  transform:translateY(-50%);
  transition:background-color .22s ease,transform .22s ease;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  top:50%;
  left:50%;
  width:10px;
  height:1.5px;
  border-radius:2px;
  background:var(--brand);
  transform:translate(-50%,-50%);
  transition:transform .22s ease,background-color .22s ease;
}
.faq-icon::after{
  width:1.5px;
  height:10px;
}
.faq-item[open]{
  border-color:rgba(13,92,90,.28);
  box-shadow:var(--shadow-sm);
}
.faq-item[open] summary{
  background:rgba(13,92,90,.06);
  color:var(--brand-strong);
}
.faq-item[open] .faq-icon{background:var(--brand)}
.faq-item[open] .faq-icon::before,
.faq-item[open] .faq-icon::after{background:#fff}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg)}
.faq-answer{
  padding:0 20px 20px;
  border-top:1px dashed rgba(217,211,198,.85);
  color:var(--muted);
  font-size:14.8px;
  line-height:1.82;
}
.faq-answer p{margin:14px 0 0}
.faq-answer ul{margin:10px 0 0;padding-left:1.2em}
.faq-answer li{margin:6px 0}
.faq-answer strong{color:var(--brand-strong)}
.faq-empty{
  margin-top:8px;
  padding:32px 24px;
  border:1px dashed rgba(13,92,90,.3);
  border-radius:var(--radius-lg);
  background:var(--brand-wash);
  text-align:center;
}
.faq-empty strong{
  display:block;
  margin-bottom:8px;
  color:var(--brand-strong);
  font-size:16px;
}
.faq-empty p{
  margin:0 0 16px;
  color:var(--muted);
  font-size:14px;
}
.process-band{
  position:relative;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
  overflow:hidden;
  padding:36px;
  border-radius:26px;
  background:var(--brand-strong);
  color:#fff;
  box-shadow:var(--shadow-lg);
}
.process-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-position:center;
  background-size:cover;
  opacity:.08;
}
.process-band > *{position:relative}
.process-step{
  padding-right:22px;
  border-right:1px solid rgba(255,255,255,.18);
}
.process-step:last-child{border-right:none;padding-right:0}
.step-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;
  height:36px;
  margin-bottom:14px;
  border-radius:50%;
  background:var(--accent);
  color:#fff;
  font-size:12px;
  font-weight:800;
  letter-spacing:.04em;
}
.process-step h3{
  margin:0 0 8px;
  color:#fff;
  font-size:18px;
  line-height:1.4;
}
.process-step p{
  margin:0;
  color:rgba(255,255,255,.76);
  font-size:14px;
  line-height:1.8;
}
.insight-grid{
  display:grid;
  grid-template-columns:.95fr 1.05fr;
  gap:52px;
  align-items:center;
}
.insight-figure{
  margin:0;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:22px;
  background:var(--brand-soft);
  box-shadow:var(--shadow);
}
.insight-figure img{
  width:100%;
  aspect-ratio:4 / 3;
  object-fit:cover;
}
.insight-copy h2{
  margin:12px 0 14px;
  color:var(--brand-strong);
  font-size:clamp(1.65rem,2.8vw,2.35rem);
  line-height:1.25;
}
.insight-copy > p{
  margin:0;
  color:var(--muted);
  font-size:15.5px;
  line-height:1.82;
}
.quote{
  margin:22px 0;
  padding:16px 20px;
  border-left:3px solid var(--accent);
  border-radius:0 12px 12px 0;
  background:var(--surface-alt);
  color:var(--brand-strong);
  font-size:15px;
  line-height:1.8;
}
.check-list{
  display:grid;
  gap:10px;
  margin:18px 0 0;
  padding:0;
  list-style:none;
}
.check-list li{
  position:relative;
  padding-left:28px;
  color:var(--muted);
  font-size:14.5px;
  line-height:1.7;
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:.36em;
  width:17px;
  height:17px;
  border-radius:50%;
  background:var(--brand-soft);
  box-shadow:inset 0 0 0 1px rgba(13,92,90,.18);
}
.check-list li::after{
  content:"";
  position:absolute;
  left:5px;
  top:.62em;
  width:7px;
  height:4px;
  border-left:2px solid var(--brand);
  border-bottom:2px solid var(--brand);
  transform:rotate(-45deg);
}
.support-section{padding:0 0 80px}
.support-card{
  position:relative;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:36px;
  align-items:center;
  overflow:hidden;
  padding:42px;
  border-radius:26px;
  background:var(--brand-strong);
  color:#F0F6F3;
  box-shadow:var(--shadow-lg);
}
.support-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-position:center;
  background-size:cover;
  opacity:.12;
}
.support-copy,
.support-note{position:relative}
.support-copy h2{
  margin:12px 0 12px;
  color:#fff;
  font-size:clamp(1.65rem,2.8vw,2.35rem);
  line-height:1.25;
}
.support-copy p{
  max-width:680px;
  margin:0;
  color:rgba(255,255,255,.78);
  font-size:15.5px;
  line-height:1.82;
}
.support-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.support-note{
  padding:22px;
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius-lg);
  background:rgba(255,255,255,.08);
}
.support-note h3{
  margin:0 0 8px;
  color:#fff;
  font-size:17px;
}
.support-note p{
  margin:0 0 14px;
  color:rgba(255,255,255,.68);
  font-size:13px;
  line-height:1.7;
}
.support-note ul{
  display:grid;
  gap:8px;
  margin:0;
  padding:0;
  list-style:none;
}
.support-note li{
  position:relative;
  padding-left:16px;
  color:rgba(255,255,255,.82);
  font-size:13.5px;
  line-height:1.65;
}
.support-note li::before{
  content:"";
  position:absolute;
  left:0;
  top:.62em;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--accent);
}
.related-section{padding:0 0 88px}
.related-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
}
.related-card{
  display:flex;
  flex-direction:column;
  min-height:174px;
  padding:20px;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  background:var(--surface);
  color:var(--ink);
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background-color .22s ease;
}
.related-card:hover{
  transform:translateY(-2px);
  border-color:rgba(13,92,90,.24);
  box-shadow:var(--shadow);
  color:var(--ink);
}
.related-card.is-current{
  background:var(--brand-wash);
  border-color:rgba(13,92,90,.25);
}
.tag{
  display:inline-flex;
  align-items:center;
  align-self:flex-start;
  min-height:24px;
  padding:3px 9px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand-strong);
  font-size:11px;
  font-weight:700;
  letter-spacing:.03em;
}
.related-card h3{
  margin:14px 0 8px;
  color:var(--brand-strong);
  font-size:16.5px;
  line-height:1.4;
}
.related-card p{
  margin:0 0 16px;
  color:var(--muted);
  font-size:13px;
  line-height:1.7;
}
.related-card .card-link{
  margin-top:auto;
  color:var(--brand);
  font-size:12.5px;
  font-weight:700;
}
.related-card:hover .card-link{color:var(--accent)}
.site-footer{
  position:relative;
  padding:64px 0 24px;
  background:var(--brand-strong);
  color:#E7F0EC;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.28),transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr .8fr .9fr .9fr;
  gap:48px;
}
.footer-brand .brand{margin-bottom:16px}
.site-footer .brand-mark{border-color:#BCE0D6}
.site-footer .brand-mark::before{border-color:var(--accent)}
.site-footer .brand-mark::after{background:#BCE0D6}
.site-footer .brand-text{color:#F6FBF9}
.site-footer .brand-text small{color:#9ED4C6}
.footer-brand p{
  max-width:360px;
  margin:0 0 18px;
  color:rgba(231,240,236,.72);
  font-size:13.5px;
  line-height:1.8;
}
.footer-contact{
  color:rgba(231,240,236,.68);
  font-size:13px;
}
.footer-contact a{
  color:#F5B8A8;
  font-weight:700;
  border-bottom:1px solid rgba(245,184,168,.5);
}
.footer-contact a:hover{color:#fff;border-color:#fff}
.footer-col h4{
  margin:0 0 16px;
  color:#fff;
  font-size:15px;
  font-weight:800;
}
.footer-col ul{
  display:grid;
  gap:10px;
  margin:0;
  padding:0;
  list-style:none;
}
.footer-col a{
  color:rgba(231,240,236,.78);
  font-size:13.5px;
  line-height:1.5;
}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:24px;
  margin-top:48px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.14);
  color:rgba(231,240,236,.58);
  font-size:12.5px;
  line-height:1.7;
}
@media (max-width:1100px){
  .dock{gap:14px}
  .nav-link{padding:9px 8px;font-size:14px}
  .hero-grid{gap:36px}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:36px}
  .footer-brand{grid-column:1 / -1;max-width:520px}
}
@media (max-width:980px){
  .nav-links{display:none}
  .menu-btn{display:inline-flex}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-copy{max-width:760px}
  .hero-visual{max-width:700px}
  .floating-card{position:relative;left:auto;bottom:auto;width:100%;max-width:none;margin-top:16px}
  .faq-layout{grid-template-columns:1fr;gap:24px}
  .faq-aside{position:static}
  .aside-nav{flex-direction:row;flex-wrap:wrap;gap:8px}
  .aside-nav a{
    padding:8px 12px;
    border:1px solid var(--line);
    border-radius:999px;
    background:var(--surface);
    font-size:13px;
  }
  .aside-nav a:hover{background:var(--brand-wash);border-color:rgba(13,92,90,.3)}
  .aside-nav span{display:none}
  .insight-grid{grid-template-columns:1fr;gap:32px}
  .insight-figure{max-width:720px}
  .support-card{grid-template-columns:1fr;padding:32px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  html{scroll-padding-top:84px}
  .site-main{padding-top:82px}
  .site-header{top:8px}
  .dock{
    width:calc(100% - 24px);
    min-height:56px;
    padding:0 12px 0 14px;
    gap:10px;
  }
  .brand{gap:8px}
  .brand-mark{width:26px;height:26px}
  .brand-text{font-size:12.5px}
  .brand-text small{font-size:8.5px;letter-spacing:.05em}
  .dock-actions{gap:6px}
  .dock-actions .btn-primary{padding:0 12px;font-size:13px}
  .search-panel{top:74px;width:calc(100% - 24px)}
  .search-form{flex-direction:column}
  .search-form .btn{width:100%}
  .hero-grid{gap:30px}
  .faq-hero{padding:32px 0 54px}
  h1{font-size:clamp(1.9rem,8vw,2.6rem)}
  .hero-lead{font-size:15.5px}
  .hero-meta{gap:12px}
  .hero-meta > span{width:100%}
  .section{padding:54px 0}
  .section-heading{display:block;margin-bottom:24px}
  .section-link{display:inline-block;margin-top:12px}
  .filter-band{margin-top:-20px}
  .filter-panel{padding:14px;border-radius:18px}
  .search-field input{height:48px}
  .process-band{grid-template-columns:1fr;padding:26px;gap:20px}
  .process-step{padding-right:0;padding-bottom:20px;border-right:none;border-bottom:1px solid rgba(255,255,255,.18)}
  .process-step:last-child{padding-bottom:0;border-bottom:none}
  .support-card{padding:26px;border-radius:22px}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-brand{grid-column:auto}
  .footer-bottom{display:block}
  .footer-bottom span + span{display:block;margin-top:8px}
}
@media (max-width:520px){
  .container{width:calc(100% - 32px)}
  .dock{width:calc(100% - 16px);padding:0 10px 0 12px}
  .brand-text{font-size:11.5px}
  .brand-text small{font-size:8px}
  .dock-actions .btn-primary{padding:0 10px;font-size:12.5px}
  .hero-actions .btn{width:100%}
  .hero-figure img{aspect-ratio:4 / 3}
  .filter-chip{font-size:12px;padding:7px 11px}
  .faq-item summary{font-size:15.5px;padding:15px 48px 15px 16px}
  .faq-answer{padding:0 16px 18px}
  .aside-tip{font-size:12.5px}
  .support-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,
  *::before,
  *::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }
}