/* roulang page: index */
:root{
  --main:#12756B;
  --main-d:#0B4A44;
  --main-dd:#082F2B;
  --main-l:#E4F0ED;
  --accent:#E08A2E;
  --accent-l:#FBEDDA;
  --ink:#16211F;
  --body:#4A5956;
  --meta:#7C8A87;
  --line:#DDE5E1;
  --bg:#F7F8F6;
  --card:#FFFFFF;
  --band:#EDF3F0;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-chip:999px;
  --sh-1:0 1px 2px rgba(11,74,68,.06);
  --sh-2:0 10px 30px -14px rgba(11,74,68,.22);
  --sh-3:0 24px 64px -24px rgba(11,74,68,.35);
  --t:.22s cubic-bezier(.4,0,.2,1);
  --bs-primary:#12756B;
  --bs-primary-rgb:18,117,107;
  --bs-body-font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-body-color:#4A5956;
  --bs-border-color:#DDE5E1;
  --bs-border-radius:10px;
  --bs-border-radius-lg:14px;
  --bs-border-radius-sm:8px;
  --bs-link-color:#12756B;
  --bs-link-hover-color:#0B4A44;
  --bs-focus-ring-color:rgba(224,138,46,.45);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.75;
  color:var(--body);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--main);text-decoration:none;transition:color var(--t),border-color var(--t),background-color var(--t)}
a:hover{color:var(--main-d)}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
::selection{background:var(--main-l);color:var(--main-dd)}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--band{background:var(--band)}
.section--paper{background:var(--card)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:30px;line-height:1.3;font-weight:700;color:var(--ink);letter-spacing:-.01em}
.section-head p{margin-top:14px;font-size:16px;color:var(--body)}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;color:var(--main);background:var(--main-l);border-radius:var(--r-chip);padding:5px 14px;margin-bottom:16px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,248,246,.94);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color var(--t),box-shadow var(--t);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 1px 0 rgba(11,74,68,.04)}
.header-inner{display:flex;align-items:center;gap:24px;min-height:72px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(160deg,var(--main) 0%,var(--main-d) 100%);display:grid;place-items:center;flex-shrink:0}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.01em}
.brand-text em{font-style:normal;font-size:12px;color:var(--meta)}
.chip-nav{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1;min-width:0;overflow-x:auto;scrollbar-width:none}
.chip-nav::-webkit-scrollbar{display:none}
.chip{
  display:inline-block;white-space:nowrap;
  padding:8px 16px;border-radius:var(--r-chip);
  font-size:14px;font-weight:500;color:var(--ink);
  background:transparent;border:1px solid transparent;
  transition:background-color var(--t),color var(--t),border-color var(--t);
}
.chip:hover{background:var(--main-l);color:var(--main-d)}
.chip.active{background:var(--main);color:#fff;box-shadow:0 1px 2px rgba(11,74,68,.18)}
.header-cta{display:flex;align-items:center;gap:24px;padding-left:24px;border-left:1px solid var(--line);flex-shrink:0}
.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--card);align-items:center;justify-content:center;flex-shrink:0;cursor:pointer;
}
.menu-toggle svg{width:20px;height:20px;stroke:var(--main-d)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;transition:all var(--t);
}
.btn-main{background:var(--main);color:#fff;box-shadow:var(--sh-1)}
.btn-main:hover{background:#0F655C;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-main:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--main);border-color:var(--main)}
.btn-ghost:hover{background:var(--main-l);color:var(--main-d)}
.btn-light{background:var(--card);color:var(--main-d);border-color:var(--line)}
.btn-light:hover{border-color:rgba(18,117,107,.35);color:var(--main-d);transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn:disabled,.btn.disabled{opacity:.45;transform:none!important;box-shadow:none;cursor:not-allowed}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--main)}
.link-arrow svg{width:15px;height:15px;transition:transform var(--t)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- hero ---------- */
.hero{padding:72px 0 0;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.hero-copy h1{font-size:42px;line-height:1.25;font-weight:700;color:var(--ink);letter-spacing:-.01em;margin-bottom:18px}
.hero-sub{font-size:17px;line-height:1.8;color:var(--body);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-trust{display:flex;flex-wrap:wrap;gap:26px;margin-top:34px}
.hero-trust li{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:600;color:var(--ink)}
.hero-trust svg{width:18px;height:18px;stroke:var(--main);flex-shrink:0}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:16px;background:var(--band)}
.hero-media::after{
  content:"";position:absolute;inset:0;border-radius:16px;pointer-events:none;
  background-image:radial-gradient(rgba(11,74,68,.5) 1px,transparent 1px);
  background-size:16px 16px;opacity:.12;
}
.hero-strip{
  margin-top:56px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  background:var(--main-l);border-radius:var(--r-chip);padding:16px 28px;
}
.hero-strip span{font-size:15px;font-weight:600;color:var(--main-dd)}
.hero-strip a{font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:6px}

/* ---------- pain ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:22px}
.pain-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);position:relative;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.pain-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(18,117,107,.3)}
.pain-lead{grid-column:span 4;display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:center;padding-left:29px}
.pain-lead::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:3px;background:var(--main)}
.pain-tail{grid-column:span 3}
.pain-tail:last-child{grid-column:span 3}
.pain-num{
  width:38px;height:38px;border:1.5px solid var(--main);border-radius:50%;
  display:grid;place-items:center;font-size:14px;font-weight:700;color:var(--main);margin-bottom:16px;
}
.pain-card h3{font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;margin-bottom:8px}
.pain-card p{font-size:14px;line-height:1.7;color:var(--body)}
.pain-card .link-arrow{margin-top:16px}
.pain-media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-img);background:var(--band)}

/* ---------- solutions ---------- */
.sol-row{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:center}
.sol-row + .sol-row{margin-top:36px}
.sol-row--alt{grid-template-columns:7fr 5fr}
.sol-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-img);background:var(--band)}
.sol-body h3{font-size:20px;font-weight:600;color:var(--ink);line-height:1.4;margin-bottom:12px;display:flex;align-items:center;gap:10px}
.sol-body h3 svg{width:22px;height:22px;stroke:var(--main);flex-shrink:0}
.sol-body > p{font-size:15px;line-height:1.8;max-width:560px}
.sol-points{margin-top:18px;display:grid;gap:10px}
.sol-points li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--ink)}
.sol-points svg{width:16px;height:16px;stroke:var(--main);margin-top:5px;flex-shrink:0}
.sol-body .link-arrow{margin-top:20px}
.sol-wide{
  margin-top:36px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px;box-shadow:var(--sh-1);
  display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:center;
  transition:box-shadow var(--t),border-color var(--t);
}
.sol-wide:hover{box-shadow:var(--sh-2);border-color:rgba(18,117,107,.3)}
.sol-wide h3{font-size:20px;font-weight:600;color:var(--ink);margin-bottom:10px}
.sol-wide p{font-size:15px;line-height:1.8}
.sol-wide-tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}
.tag{
  display:inline-block;background:var(--main-l);color:var(--main);
  border-radius:var(--r-chip);padding:7px 16px;font-size:13px;font-weight:600;
}

/* ---------- data band ---------- */
.data-band{background:var(--main-dd);padding:64px 0;position:relative;overflow:hidden}
.data-band::after{
  content:"";position:absolute;right:-40px;top:-40px;width:320px;height:320px;pointer-events:none;
  background:radial-gradient(circle at center,rgba(18,117,107,.5),transparent 70%);opacity:.5;
}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;z-index:1}
.data-item{padding:0 28px;border-left:1px solid rgba(255,255,255,.14)}
.data-item:first-child{border-left:none;padding-left:0}
.data-num{font-size:40px;font-weight:700;line-height:1.1;color:#fff;letter-spacing:-.02em}
.data-item:nth-child(2) .data-num,.data-item:nth-child(4) .data-num{color:var(--accent)}
.data-name{margin-top:12px;font-size:15px;font-weight:600;color:#fff}
.data-desc{margin-top:6px;font-size:13px;line-height:1.7;color:rgba(255,255,255,.72)}

/* ---------- form entry + privacy ---------- */
.form-entry{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  background:var(--main-l);border-radius:var(--r-card);padding:26px 30px;
}
.form-entry h3{font-size:18px;font-weight:600;color:var(--main-dd);margin-bottom:6px}
.form-entry p{font-size:14px;color:var(--main-d)}
.privacy-grid{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:start}
.privacy-grid h2{font-size:26px;font-weight:700;color:var(--ink);margin-bottom:16px;line-height:1.35}
.privacy-grid p{font-size:15px;line-height:1.85;margin-bottom:14px}
.privacy-aside{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-1)}
.privacy-aside h3{font-size:16px;font-weight:600;color:var(--ink);margin-bottom:10px}
.privacy-list{display:grid;gap:10px;margin:14px 0 18px}
.privacy-list li{display:flex;gap:10px;font-size:14px;line-height:1.7}
.privacy-list svg{width:15px;height:15px;stroke:var(--main);margin-top:5px;flex-shrink:0}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start}
.news-lead{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t)}
.news-lead:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(18,117,107,.3)}
.news-lead-img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--band)}
.news-lead-body{padding:24px}
.news-lead-body h3{font-size:19px;font-weight:600;color:var(--ink);line-height:1.5;margin:12px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-lead-body p{font-size:14px;line-height:1.75;color:var(--body);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-lead-meta{margin-top:16px;display:flex;align-items:center;gap:12px;font-size:13px;color:var(--meta)}
.badge-cat{display:inline-block;background:var(--main-l);color:var(--main);border-radius:var(--r-chip);padding:4px 12px;font-size:12px;font-weight:600}
.news-rows{border-top:1px solid var(--line)}
.news-row{
  display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;
  padding:18px 4px;border-bottom:1px solid var(--line);
  transition:background-color var(--t),padding-left var(--t);
}
.news-row:hover{background:rgba(228,240,237,.45);padding-left:10px}
.news-row-title{
  font-size:15px;font-weight:600;color:var(--ink);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.news-row:hover .news-row-title{color:var(--main)}
.news-row-date{font-size:13px;color:var(--meta);white-space:nowrap}
.news-more{margin-top:26px}
.news-empty{
  text-align:center;padding:64px 24px;border:1px dashed var(--line);border-radius:var(--r-card);background:var(--card);
}
.news-empty svg{width:48px;height:48px;stroke:var(--main);opacity:.3;margin:0 auto 16px}
.news-empty p{font-size:15px;color:var(--meta);margin-bottom:18px}

/* ---------- faq ---------- */
.faq-wrap{max-width:860px}
.accordion-item{
  background:var(--card);border:1px solid var(--line)!important;border-radius:var(--r-img)!important;
  margin-bottom:12px;overflow:hidden;position:relative;
}
.accordion-button{
  background:transparent!important;box-shadow:none!important;color:var(--ink);
  font-size:16px;font-weight:600;padding:20px 24px;line-height:1.5;
}
.accordion-button::after{display:none}
.accordion-button .faq-sign{
  margin-left:auto;flex-shrink:0;position:relative;width:16px;height:16px;
}
.accordion-button .faq-sign::before,.accordion-button .faq-sign::after{
  content:"";position:absolute;background:var(--main);border-radius:2px;transition:transform var(--t),opacity var(--t);
}
.accordion-button .faq-sign::before{left:0;top:7px;width:16px;height:2px}
.accordion-button .faq-sign::after{left:7px;top:0;width:2px;height:16px}
.accordion-button:not(.collapsed){color:var(--main-d);background:rgba(228,240,237,.5)!important}
.accordion-button:not(.collapsed) .faq-sign::after{transform:rotate(90deg);opacity:0}
.accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--main);
}
.accordion-body{
  padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--body);max-width:90%;
}

/* ---------- final cta ---------- */
.final-cta{
  background:var(--main-l);border-radius:16px;padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.final-cta h2{font-size:26px;font-weight:700;color:var(--main-dd);line-height:1.35;max-width:620px}
.final-cta p{margin-top:10px;font-size:15px;color:var(--main-d);max-width:620px}

/* ---------- footer ---------- */
.site-footer{background:var(--main-dd);color:rgba(255,255,255,.72);padding-top:64px;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand strong{display:block;font-size:18px;font-weight:700;color:#fff;margin-bottom:12px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);margin-bottom:18px;max-width:280px}
.footer-chips{display:flex;flex-wrap:wrap;gap:8px}
.footer-chips a{
  display:inline-block;font-size:12px;color:rgba(255,255,255,.72);
  border:1px solid rgba(255,255,255,.18);border-radius:var(--r-chip);padding:5px 12px;transition:all var(--t);
}
.footer-chips a:hover{color:#fff;border-color:rgba(255,255,255,.45);background:rgba(255,255,255,.06)}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px}
.footer-col ul{display:grid;gap:11px}
.footer-col a,.footer-col span{font-size:14px;color:rgba(255,255,255,.66);transition:color var(--t)}
.footer-col a:hover{color:#fff}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.66)}
.footer-contact svg{width:16px;height:16px;stroke:rgba(255,255,255,.5);margin-top:5px;flex-shrink:0}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:22px 0;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom-links{display:flex;gap:20px;flex-wrap:wrap}
.footer-bottom a{color:rgba(255,255,255,.55)}
.footer-bottom a:hover{color:#fff}

/* ---------- modal ---------- */
.modal-backdrop.show{background:rgba(8,47,43,.55);opacity:1}
.modal-content{border:none;border-radius:16px;box-shadow:var(--sh-3);overflow:hidden}
.modal-header{border-bottom:1px solid var(--line);padding:24px 28px 18px}
.modal-title{font-size:20px;font-weight:700;color:var(--ink)}
.modal-body{padding:22px 28px 28px}
.modal-sub{font-size:14px;color:var(--body);margin-bottom:20px}
.form-label{font-size:13px;color:var(--meta);margin-bottom:7px;font-weight:500}
.form-control,.form-select{
  height:44px;border-radius:var(--r-btn);border:1px solid var(--line);
  font-size:15px;color:var(--ink);padding:0 14px;box-shadow:none!important;
  background-color:#fff;transition:border-color var(--t),box-shadow var(--t);
}
.form-select{
  appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%2312756B' stroke-width='1.6'%3E%3Cpath d='M4 6.5 8 10.5 12 6.5'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:16px;padding-right:40px;
}
textarea.form-control{height:auto;padding:12px 14px;line-height:1.7;resize:vertical}
.form-control:focus,.form-select:focus{border-color:var(--main);box-shadow:0 0 0 3px rgba(18,117,107,.16)!important}
.form-control::placeholder{color:#A9B4B1}
.form-check-input{width:17px;height:17px;border-color:var(--line);border-radius:5px;margin-top:3px}
.form-check-input:checked{background-color:var(--main);border-color:var(--main)}
.form-check-input:focus{box-shadow:0 0 0 3px rgba(18,117,107,.16)!important;border-color:var(--main)}
.form-check-label{font-size:13px;color:var(--body);line-height:1.65}
.form-note{margin-top:14px;font-size:12px;color:var(--meta);line-height:1.7}

/* ---------- offcanvas ---------- */
.offcanvas{max-width:320px;background:var(--bg)}
.offcanvas-header{border-bottom:1px solid var(--line);padding:20px 22px}
.offcanvas-body{padding:18px 22px 30px}
.drawer-nav{display:grid;gap:6px;margin-bottom:24px}
.drawer-nav a{
  display:block;padding:12px 14px;border-radius:var(--r-btn);font-size:15px;font-weight:500;color:var(--ink);
  transition:background-color var(--t),color var(--t);
}
.drawer-nav a:hover{background:var(--main-l)}
.drawer-nav a.active{background:var(--main);color:#fff;font-weight:600}
.drawer-sub{font-size:13px;color:var(--meta);margin-bottom:18px;line-height:1.75}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important}
  .btn:hover,.news-lead:hover,.pain-card:hover{transform:none!important}
}
@media (max-width:1199px){
  .hero-grid{gap:40px}
  .hero-copy h1{font-size:38px}
  .data-item{padding:0 20px}
}
@media (max-width:991px){
  .section{padding:64px 0}
  .header-cta{display:none}
  .menu-toggle{display:inline-flex;margin-left:auto}
  .brand-text em{display:none}
  .hero{padding:48px 0 0}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-copy h1{font-size:32px}
  .hero-media img{aspect-ratio:16/9}
  .hero-strip{margin-top:36px}
  .pain-grid{grid-template-columns:repeat(2,1fr)}
  .pain-lead,.pain-tail,.pain-tail:last-child{grid-column:span 1}
  .pain-lead{grid-template-columns:1fr;padding-left:26px}
  .sol-row,.sol-row--alt{grid-template-columns:1fr;gap:24px}
  .sol-row--alt .sol-media{order:-1}
  .sol-wide{grid-template-columns:1fr;gap:20px}
  .sol-wide-tags{justify-content:flex-start}
  .data-grid{grid-template-columns:repeat(2,1fr);gap:32px 0}
  .data-item:nth-child(3){border-left:none;padding-left:0}
  .data-item{padding:0 20px}
  .data-item:nth-child(odd){padding-left:0}
  .privacy-grid{grid-template-columns:1fr;gap:28px}
  .news-grid{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .final-cta{padding:36px}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .section-head h2{font-size:25px}
  .hero-copy h1{font-size:30px}
  .hero-trust{gap:18px}
  .data-num{font-size:34px}
  .news-row{grid-template-columns:1fr auto;gap:10px}
  .news-row .badge-cat{grid-column:1 / -1;justify-self:start}
}
@media (max-width:575px){
  .container{padding-left:16px;padding-right:16px}
  .section{padding:48px 0}
  body{font-size:15px}
  .hero-copy h1{font-size:28px}
  .hero-sub{font-size:16px}
  .hero-actions .btn{width:100%}
  .pain-grid{grid-template-columns:1fr}
  .hero-strip{padding:16px 20px;border-radius:16px}
  .data-grid{grid-template-columns:repeat(2,1fr);gap:28px 0}
  .data-item{padding:0 14px}
  .data-num{font-size:28px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .privacy-aside{padding:22px}
  .final-cta{padding:28px 22px}
  .final-cta .btn{width:100%}
  .acc-item-body{padding:0 18px 20px}
  .accordion-button{padding:16px 18px;font-size:15px}
  .accordion-body{padding:0 18px 18px;max-width:100%}
}

/* roulang page: article */
:root{
  --c-primary:#12756B;
  --c-primary-dark:#0B4A44;
  --c-primary-deep:#082F2B;
  --c-primary-soft:#E4F0ED;
  --c-accent:#E08A2E;
  --c-accent-soft:#FBEDDA;
  --c-ink:#16211F;
  --c-body:#4A5956;
  --c-muted:#7C8A87;
  --c-line:#DDE5E1;
  --c-page:#F7F8F6;
  --c-card:#FFFFFF;
  --c-band:#EDF3F0;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-chip:999px;
  --sh-1:0 1px 2px rgba(11,74,68,.06);
  --sh-2:0 10px 30px -14px rgba(11,74,68,.22);
  --sh-3:0 24px 64px -24px rgba(11,74,68,.35);
  --t:.22s cubic-bezier(.4,0,.2,1);
  --bs-primary:#12756B;
  --bs-primary-rgb:18,117,107;
  --bs-body-font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-body-color:#4A5956;
  --bs-body-bg:#F7F8F6;
  --bs-border-color:#DDE5E1;
  --bs-border-radius:10px;
  --bs-border-radius-lg:14px;
  --bs-border-radius-sm:6px;
  --bs-link-color:#12756B;
  --bs-link-hover-color:#0B4A44;
  --bs-focus-ring-color:rgba(224,138,46,.45);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--c-page);color:var(--c-body);
  font-family:var(--bs-body-font-family);font-size:16px;line-height:1.75;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t),border-color var(--t),background var(--t)}
a:hover{color:var(--c-primary-dark)}
h1,h2,h3,h4{color:var(--c-ink);letter-spacing:-.01em;margin:0}
p{margin:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.container{max-width:1200px;padding:0 24px;margin:0 auto}
.num{font-variant-numeric:tabular-nums}
.btn-ink{
  display:inline-flex;align-items:center;gap:8px;background:var(--c-primary);color:#fff;
  border:1px solid var(--c-primary);border-radius:var(--r-btn);padding:11px 22px;font-weight:600;font-size:15px;
  transition:background var(--t),transform var(--t),box-shadow var(--t);box-shadow:var(--sh-1)
}
.btn-ink:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-line{
  display:inline-flex;align-items:center;gap:8px;background:transparent;color:var(--c-primary);
  border:1px solid var(--c-primary);border-radius:var(--r-btn);padding:10px 20px;font-weight:600;font-size:15px;
  transition:background var(--t),transform var(--t)
}
.btn-line:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);transform:translateY(-1px)}
.btn-quiet{color:var(--c-primary);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.btn-quiet svg{transition:transform var(--t)}
.btn-quiet:hover svg{transform:translateX(4px)}
.tag{
  display:inline-block;background:var(--c-primary-soft);color:var(--c-primary);
  border-radius:var(--r-chip);padding:5px 13px;font-size:13px;font-weight:600
}
.tag-accent{background:var(--c-accent-soft);color:#B96C13;border-radius:6px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:rgba(247,248,246,.94);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;transition:border-color var(--t),box-shadow var(--t)
}
.site-header.is-stuck{border-bottom-color:var(--c-line);box-shadow:0 1px 0 rgba(11,74,68,.04)}
.header-inner{display:flex;align-items:center;gap:24px;padding:14px 0}
.brand{display:flex;align-items:center;gap:12px;color:var(--c-ink)}
.brand-mark{
  width:38px;height:38px;border-radius:11px;background:var(--c-primary);display:grid;place-items:center;flex:0 0 auto;
  box-shadow:var(--sh-1)
}
.brand-mark svg{width:21px;height:21px;stroke:#fff;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:18px;font-weight:700;color:var(--c-ink)}
.brand-text small{font-size:12px;color:var(--c-muted)}
.chip-nav{display:flex;align-items:center;gap:6px;margin:0 auto}
.chip{
  display:inline-block;padding:8px 16px;border-radius:var(--r-chip);font-size:14.5px;color:var(--c-ink);
  font-weight:500;transition:background var(--t),color var(--t),box-shadow var(--t);white-space:nowrap
}
.chip:hover{background:var(--c-primary-soft);color:var(--c-primary-dark)}
.chip.active{background:var(--c-primary);color:#fff;font-weight:600;box-shadow:var(--sh-1)}
.header-side{display:flex;align-items:center;gap:24px}
.header-side::before{content:"";width:1px;height:26px;background:var(--c-line)}
.nav-toggle{
  display:none;border:1px solid var(--c-line);background:#fff;border-radius:10px;width:42px;height:42px;
  align-items:center;justify-content:center
}
.nav-toggle svg{width:20px;height:20px;stroke:var(--c-ink);fill:none;stroke-width:1.9;stroke-linecap:round}

/* ---------- page band ---------- */
.page-band{
  background:linear-gradient(rgba(8,47,43,.86),rgba(8,47,43,.86)),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  color:rgba(255,255,255,.82);padding:26px 0
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7)}
.crumb a{color:rgba(255,255,255,.82)}
.crumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.crumb .sep{color:rgba(255,255,255,.45)}
.crumb .now{color:#fff;font-weight:600}

/* ---------- article ---------- */
.article-wrap{padding:48px 0 72px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 288px;gap:48px;align-items:start}
.article-head{margin-bottom:28px}
.article-head h1{font-size:34px;line-height:1.35;font-weight:700;margin:14px 0 16px;color:var(--c-ink)}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--c-muted)}
.meta-row .bar{width:1px;height:13px;background:var(--c-line)}
.article-panel{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:34px 38px;box-shadow:var(--sh-1)
}
.entry{font-size:17px;line-height:1.9;color:var(--c-body);max-width:760px}
.entry p{margin:0 0 1.15em}
.entry h2{
  font-size:22px;line-height:1.45;font-weight:700;margin:40px 0 18px;padding-left:12px;
  border-left:4px solid var(--c-primary);color:var(--c-ink)
}
.entry h3{font-size:18px;font-weight:600;margin:28px 0 12px;color:var(--c-ink)}
.entry ul,.entry ol{padding-left:22px;margin:0 0 1.15em}
.entry li{margin:6px 0}
.entry ul li::marker{color:var(--c-primary)}
.entry ol li::marker{color:var(--c-primary);font-weight:600}
.entry blockquote{
  margin:0 0 1.15em;background:var(--c-primary-soft);border-left:3px solid var(--c-primary);
  border-radius:0 12px 12px 0;padding:16px 20px;color:var(--c-primary-dark);font-size:16px
}
.entry img{border-radius:var(--r-img);margin:18px 0}
.entry figure{margin:18px 0}
.entry figcaption{font-size:13px;color:var(--c-muted);text-align:center;margin-top:8px}
.entry a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.entry a:hover{color:var(--c-primary-dark)}
.entry table{
  width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--c-line);
  border-radius:10px;overflow:hidden;font-size:15px;margin:0 0 18px
}
.entry thead th{background:var(--c-primary-soft);color:var(--c-primary-dark);font-weight:600;text-align:left}
.entry th,.entry td{padding:11px 14px;border-bottom:1px solid var(--c-line)}
.entry tbody tr:nth-child(even) td{background:#FBFCFB}
.entry pre{
  background:#F2F5F3;border:1px solid var(--c-line);border-radius:10px;padding:16px;
  font-size:13px;line-height:1.7;overflow:auto
}
.entry code{background:#F2F5F3;border-radius:5px;padding:1px 6px;font-size:.92em}
.entry pre code{background:none;padding:0}
.entry hr{border:0;border-top:1px solid var(--c-line);margin:32px 0}
.empty-state{text-align:center;padding:56px 16px}
.empty-state svg{width:48px;height:48px;stroke:var(--c-primary);opacity:.3;fill:none;stroke-width:1.6;margin:0 auto 18px}
.empty-state p{color:var(--c-muted);margin-bottom:20px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;padding-top:26px;border-top:1px solid var(--c-line)}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:34px}
.pager a{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px 22px;
  display:flex;flex-direction:column;gap:8px;box-shadow:var(--sh-1)
}
.pager a:hover{border-color:rgba(18,117,107,.3);transform:translateY(-2px);box-shadow:var(--sh-2)}
.pager span{font-size:13px;color:var(--c-muted)}
.pager strong{color:var(--c-ink);font-size:15px;font-weight:600;line-height:1.5}
.article-foot{margin-top:34px;display:flex;flex-wrap:wrap;gap:14px;align-items:center}

/* ---------- aside ---------- */
.aside-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px 22px 20px;box-shadow:var(--sh-1);margin-bottom:20px
}
.aside-card h3{font-size:15px;font-weight:700;margin-bottom:14px;color:var(--c-ink)}
.aside-list{list-style:none;margin:0;padding:0}
.aside-list li+li{border-top:1px solid var(--c-line)}
.aside-list a{display:block;padding:11px 0;font-size:14.5px;color:var(--c-body)}
.aside-list a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.aside-note{background:var(--c-primary-soft);border-color:transparent}
.aside-note p{font-size:13.5px;color:var(--c-primary-dark);margin-bottom:14px}
.sticky-side{position:sticky;top:96px}

/* ---------- related + faq ---------- */
.section{padding:64px 0}
.section-band{background:var(--c-band)}
.sec-head{max-width:720px;margin-bottom:32px}
.sec-head h2{font-size:26px;font-weight:700}
.sec-head p{margin-top:10px;color:var(--c-muted);font-size:15px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);height:100%
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(18,117,107,.28)}
.card h3{font-size:17px;font-weight:600;margin:14px 0 8px}
.card p{font-size:14px;line-height:1.7;color:var(--c-body)}
.card-media{border-radius:var(--r-img);overflow:hidden;background:var(--c-band);aspect-ratio:16/9}
.card-media img{width:100%;height:100%;object-fit:cover}
.card-meta{margin-top:14px;font-size:13px;color:var(--c-muted)}
.accordion-item{
  background:var(--c-card);border:1px solid var(--c-line)!important;border-radius:12px!important;
  margin-bottom:12px;overflow:hidden
}
.accordion-button{
  background:var(--c-card);color:var(--c-ink);font-weight:600;font-size:16px;padding:18px 20px;
  box-shadow:none!important;border-left:3px solid transparent
}
.accordion-button:not(.collapsed){background:var(--c-card);color:var(--c-primary-dark);border-left-color:var(--c-primary)}
.accordion-button::after{
  background-image:none;content:"+";font-size:22px;line-height:1;font-weight:400;color:var(--c-primary);
  transform:none;width:22px;height:22px;display:grid;place-items:center
}
.accordion-button:not(.collapsed)::after{content:"−"}
.accordion-body{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--c-body);max-width:90%}
.cta-band{background:var(--c-primary-soft);border-radius:18px;padding:38px 40px;display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between}
.cta-band h2{font-size:24px;font-weight:700}
.cta-band p{margin-top:8px;font-size:15px;color:var(--c-primary-dark)}

/* ---------- modal / form ---------- */
.modal-content{border:0;border-radius:16px;box-shadow:var(--sh-3)}
.modal-header{border-bottom:1px solid var(--c-line);padding:20px 24px}
.modal-title{font-size:19px;font-weight:700;color:var(--c-ink)}
.modal-body{padding:22px 24px 24px}
.modal-backdrop.show{background:#082F2B;opacity:.55;--bs-backdrop-opacity:.55}
.form-label{font-size:13px;color:var(--c-muted);margin-bottom:6px}
.form-control,.form-select{
  min-height:44px;border-radius:10px;border:1px solid var(--c-line);font-size:15px;color:var(--c-ink);
  background-color:#fff;padding:10px 14px
}
.form-control:focus,.form-select:focus{
  border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(18,117,107,.16)
}
.form-select{
  appearance:none;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2312756B' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center;background-size:16px
}
.form-check-input:checked{background-color:var(--c-primary);border-color:var(--c-primary)}
.form-check-input:focus{box-shadow:0 0 0 3px rgba(18,117,107,.16);border-color:var(--c-primary)}
.form-note{font-size:12.5px;color:var(--c-muted);margin-top:12px}

/* ---------- footer ---------- */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px}
.footer-brand strong{display:block;font-size:19px;color:#fff;font-weight:700;margin-bottom:12px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:320px}
.footer-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-chips a{
  font-size:12.5px;color:rgba(255,255,255,.82);border:1px solid rgba(255,255,255,.2);
  border-radius:var(--r-chip);padding:5px 12px
}
.footer-chips a:hover{background:rgba(255,255,255,.1);color:#fff}
.footer-col h4{font-size:15px;color:#fff;font-weight:600;margin-bottom:16px}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68)}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.68);margin-bottom:12px}
.footer-contact svg{width:17px;height:17px;stroke:rgba(255,255,255,.6);fill:none;flex:0 0 auto;margin-top:3px}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.14);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55)
}
.footer-bottom a{color:rgba(255,255,255,.62)}
.footer-bottom a:hover{color:#fff}
.footer-legal{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.offcanvas{background:var(--c-page)}
.offcanvas-header{border-bottom:1px solid var(--c-line)}
.drawer-chips{display:flex;flex-direction:column;gap:8px;margin:18px 0}
.drawer-chips a{padding:12px 16px;border-radius:12px;font-size:15px;color:var(--c-ink);border:1px solid var(--c-line);background:#fff}
.drawer-chips a.active{background:var(--c-primary);color:#fff;border-color:var(--c-primary);font-weight:600}

@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 250px;gap:32px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px}
}
@media (max-width:991px){
  .chip-nav{display:none!important}
  .header-side::before{display:none}
  .nav-toggle{display:inline-flex}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .sticky-side{position:static}
  .article-head h1{font-size:30px}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .article-wrap{padding:28px 0 56px}
  .article-panel{padding:24px 20px}
  .entry{font-size:16px}
  .entry h2{font-size:20px;margin-top:32px}
  .article-head h1{font-size:26px}
  .grid-2,.grid-3{grid-template-columns:minmax(0,1fr)}
  .pager{grid-template-columns:minmax(0,1fr)}
  .cta-band{padding:28px 24px;flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .site-footer{padding-top:48px}
}
@media (max-width:575px){
  .entry{font-size:15px;line-height:1.85}
  .crumb .hide-sm{display:none}
  .btn-ink,.btn-line{width:100%;justify-content:center}
  .brand-text small{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .card:hover,.btn-ink:hover,.btn-line:hover,.pager a:hover{transform:none}
}

/* roulang page: category1 */
:root{
  --brand:#12756B;
  --brand-2:#0B4A44;
  --brand-3:#082F2B;
  --brand-soft:#E4F0ED;
  --accent:#E08A2E;
  --accent-soft:#FBEDDA;
  --ink:#16211F;
  --text:#4A5956;
  --muted:#7C8A87;
  --line:#DDE5E1;
  --page:#F7F8F6;
  --surface:#FFFFFF;
  --band:#EDF3F0;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-input:10px;
  --r-chip:999px;
  --r-badge:6px;
  --r-modal:16px;
  --sh-1:0 1px 2px rgba(11,74,68,.06);
  --sh-2:0 10px 30px -14px rgba(11,74,68,.22);
  --sh-3:0 24px 64px -24px rgba(11,74,68,.35);
  --t:.22s cubic-bezier(.4,0,.2,1);
  --font:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-body-font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-body-color:#4A5956;
  --bs-body-bg:#F7F8F6;
  --bs-primary:#12756B;
  --bs-link-color:#12756B;
  --bs-link-hover-color:#0B4A44;
  --bs-border-color:#DDE5E1;
  --bs-border-radius:10px;
  --bs-border-radius-lg:14px;
  --bs-border-radius-sm:6px;
  --bs-focus-ring-color:rgba(224,138,46,.45);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;background:var(--page);color:var(--text);
  font-family:var(--font);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--brand-2)}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em;line-height:1.3}
h1{font-size:42px;line-height:1.25}
h2{font-size:30px}
h3{font-size:20px;font-weight:600;line-height:1.4}
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(--accent);outline-offset:2px}
.container,.container-lg,.container-md,.container-sm,.container-xl,.container-xxl{
  width:100%;max-width:1200px;margin:0 auto;padding:0 24px;
}
@media (min-width:1440px){.container,.container-lg,.container-md,.container-sm,.container-xl,.container-xxl{max-width:1200px}}

/* ===== 按钮 ===== */
.btn{
  --bs-btn-font-size:15px;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);font-weight:600;line-height:1.2;
  border:1px solid transparent;transition:all var(--t);text-align:center;
}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px;box-shadow:none}
.btn-primary{
  --bs-btn-color:#fff;--bs-btn-bg:#12756B;--bs-btn-border-color:#12756B;
  --bs-btn-hover-color:#fff;--bs-btn-hover-bg:#0F685F;--bs-btn-hover-border-color:#0F685F;
  --bs-btn-active-color:#fff;--bs-btn-active-bg:#0B4A44;--bs-btn-active-border-color:#0B4A44;
  --bs-btn-disabled-bg:#12756B;--bs-btn-disabled-border-color:#12756B;
  --bs-btn-disabled-opacity:.45;
  background:#12756B;border-color:#12756B;color:#fff;
}
.btn-primary:hover{background:#0F685F;border-color:#0F685F;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{background:#0B4A44;border-color:#0B4A44;transform:translateY(0)}
.btn-outline-primary{
  --bs-btn-color:#12756B;--bs-btn-bg:transparent;--bs-btn-border-color:#12756B;
  --bs-btn-hover-color:#0B4A44;--bs-btn-hover-bg:#E4F0ED;--bs-btn-hover-border-color:#12756B;
  --bs-btn-active-color:#0B4A44;--bs-btn-active-bg:#E4F0ED;--bs-btn-active-border-color:#0B4A44;
  background:transparent;border:1px solid var(--brand);color:var(--brand);
}
.btn-outline-primary:hover{background:var(--brand-soft);color:var(--brand-2);transform:translateY(-1px)}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;padding:0;border:0;background:none;
  color:var(--brand);font-weight:600;font-size:15px;
}
.btn-link:hover{color:var(--brand-2);gap:10px}
.btn-link .arrow{transition:transform var(--t)}

/* ===== 顶栏 ===== */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,248,246,.94);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;transition:border-color var(--t);
}
.site-header.is-scrolled{border-bottom-color:var(--line)}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  min-height:76px;padding-top:10px;padding-bottom:10px;
}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:var(--brand);display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);
}
.brand-mark svg{width:22px;height:22px;stroke:#fff;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}
.brand-name{display:flex;flex-direction:column;font-size:17px;font-weight:700;line-height:1.25;color:var(--ink)}
.brand-sub{font-size:12px;font-weight:400;color:var(--muted);letter-spacing:0}
.chip-nav{display:flex;align-items:center;gap:6px;flex-wrap:nowrap}
.chip{
  display:inline-flex;align-items:center;padding:8px 16px;border-radius:var(--r-chip);
  font-size:15px;font-weight:500;color:var(--ink);white-space:nowrap;
  transition:background var(--t),color var(--t),box-shadow var(--t);
}
.chip:hover{background:var(--brand-soft);color:var(--brand-2)}
.chip.active{background:var(--brand);color:#fff;box-shadow:0 1px 2px rgba(11,74,68,.18)}
.chip.active:hover{background:var(--brand-2);color:#fff}
.header-actions{display:flex;align-items:center;gap:16px}
.header-divider{width:1px;height:26px;background:var(--line);display:block}
.hamburger{
  width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:all var(--t);
}
.hamburger:hover{border-color:rgba(18,117,107,.35);background:var(--brand-soft)}
.hamburger svg{width:22px;height:22px;stroke:var(--brand-2);stroke-width:1.8;fill:none;stroke-linecap:round}
.offcanvas{background:#fff}
.offcanvas-header{border-bottom:1px solid var(--line);padding:20px 24px}
.offcanvas-title{font-size:17px;font-weight:700;color:var(--ink)}
.offcanvas-body{padding:20px 24px}
.mobile-chips{display:flex;flex-direction:column;gap:8px;margin-bottom:24px}
.mobile-chips .chip{justify-content:flex-start;padding:12px 16px;border:1px solid var(--line);border-radius:var(--r-btn);width:100%}
.mobile-chips .chip.active{border-color:var(--brand)}

/* ===== 首屏 ===== */
.page-hero{
  position:relative;padding:72px 0 88px;overflow:hidden;
  background:var(--band);
  background-image:linear-gradient(115deg,rgba(237,243,240,.96) 0%,rgba(237,243,240,.88) 55%,rgba(228,240,237,.82) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.breadcrumb-wrap{margin-bottom:20px}
.custom-breadcrumb{margin:0;font-size:13px;display:flex;flex-wrap:wrap;gap:6px;align-items:center;background:none;padding:0}
.custom-breadcrumb .breadcrumb-item{color:var(--muted)}
.custom-breadcrumb .breadcrumb-item a{color:var(--muted)}
.custom-breadcrumb .breadcrumb-item a:hover{color:var(--brand)}
.custom-breadcrumb .breadcrumb-item+.breadcrumb-item::before{
  content:"›";color:var(--muted);padding-right:6px;
}
.custom-breadcrumb .breadcrumb-item.active{color:var(--brand-2);font-weight:600}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-chip);
  background:#fff;border:1px solid var(--line);color:var(--brand);
  font-size:13px;font-weight:600;margin-bottom:20px;box-shadow:var(--sh-1);
}
.page-hero h1{max-width:15em;margin-bottom:20px}
.hero-lead{font-size:17px;line-height:1.8;color:var(--text);max-width:34em;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}
.trust-list{display:flex;flex-wrap:wrap;gap:12px 28px}
.trust-list li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text);font-weight:500}
.trust-list svg{width:18px;height:18px;stroke:var(--brand);stroke-width:1.9;fill:none;stroke-linecap:round;stroke-linejoin:round}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:16px;
  box-shadow:var(--sh-2);background:var(--band);
}
.hero-media::after{
  content:"";position:absolute;inset:auto -14px -14px auto;width:120px;height:120px;border-radius:16px;
  background-image:radial-gradient(rgba(18,117,107,.28) 1.4px,transparent 1.4px);
  background-size:12px 12px;opacity:.6;z-index:-1;
}

/* ===== 板块 ===== */
.section{padding:88px 0}
.section--band{background:var(--band)}
.section-head{max-width:44em;margin-bottom:40px}
.section-head .kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--brand);margin-bottom:14px;
}
.section-head .kicker::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--brand);display:block}
.section-head h2{margin-bottom:14px}
.section-head p{font-size:16px;color:var(--text)}

/* ===== 左右图文 ===== */
.split-row{display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:center}
.split-row+.split-row{margin-top:80px}
.split-row.reverse .split-media{order:2}
.split-row.reverse .split-body{order:1}
.split-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-img);
  box-shadow:var(--sh-1);background:var(--band);
}
.split-body h2{margin-bottom:16px}
.split-body .lead-text{font-size:16px;margin-bottom:26px}
.num-list{border-top:1px solid var(--line)}
.num-item{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.num-mark{
  flex:0 0 38px;height:38px;border-radius:50%;border:1px solid var(--brand);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand);font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
  background:#fff;transition:all var(--t);
}
.num-item:hover .num-mark{background:var(--brand-soft);border-color:var(--brand-2);color:var(--brand-2)}
.num-body h3{font-size:17px;margin-bottom:6px}
.num-body p{font-size:15px;color:var(--text);margin:0}
.plain-list{margin-top:22px}
.plain-list li{position:relative;padding-left:20px;font-size:15px;margin-bottom:10px;color:var(--text)}
.plain-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:2px;
  background:var(--brand);opacity:.85;
}

/* ===== 场景网格 ===== */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.scene-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);position:relative;transition:all var(--t);
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(18,117,107,.35)}
.scene-card h3{font-size:17px;margin-bottom:10px}
.scene-card p{font-size:14px;line-height:1.7;color:var(--text);margin-bottom:14px}
.scene-card .badge-soft{
  display:inline-block;padding:4px 10px;border-radius:var(--r-badge);
  background:var(--brand-soft);color:var(--brand-2);font-size:13px;font-weight:600;
}
.scene-card--wide{
  grid-column:1 / -1;display:grid;grid-template-columns:1.3fr 1fr;gap:32px;align-items:center;
  background:var(--band);border-color:rgba(18,117,107,.22);
}
.scene-card--wide img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-img);background:#fff}
.scene-card--wide .accent-line{
  position:absolute;left:0;top:26px;width:3px;height:34px;border-radius:2px;background:var(--brand);
}

/* ===== FAQ ===== */
.faq-wrap{max-width:900px}
.accordion{--bs-accordion-border-color:var(--line);--bs-accordion-btn-color:#16211F;--bs-accordion-active-color:#0B4A44;--bs-accordion-active-bg:#FFFFFF;--bs-accordion-btn-focus-box-shadow:none;--bs-accordion-btn-focus-border-color:var(--line);--bs-accordion-border-radius:12px}
.accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;
  overflow:hidden;box-shadow:var(--sh-1);transition:border-color var(--t);
}
.accordion-item:has(.accordion-button:not(.collapsed)){border-left:3px solid var(--brand);border-color:rgba(18,117,107,.35)}
.accordion-button{
  background:#fff;color:var(--ink);font-size:16px;font-weight:600;
  padding:18px 22px;box-shadow:none;display:flex;align-items:center;
}
.accordion-button:not(.collapsed){background:#fff;color:var(--brand-2);box-shadow:none}
.accordion-button:focus{box-shadow:none;outline:none}
.accordion-button:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.accordion-button::after{display:none}
.accordion-button::before{
  content:"+";flex:0 0 22px;width:22px;text-align:center;margin-right:12px;
  font-size:20px;font-weight:500;line-height:1;color:var(--brand);transition:transform var(--t);
}
.accordion-button:not(.collapsed)::before{content:"−";color:var(--brand-2);transform:rotate(180deg)}
.accordion-body{padding:0 22px 20px 56px;font-size:15px;line-height:1.8;color:var(--text);max-width:90%}

/* ===== CTA 条 ===== */
.cta-section{padding:0 0 88px}
.cta-band{
  background:var(--brand-soft);border-radius:20px;padding:40px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  border:1px solid rgba(18,117,107,.16);
}
.cta-band h2{font-size:24px;margin-bottom:10px}
.cta-band p{font-size:15px;color:var(--text);margin:0;max-width:44em}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto}

/* ===== 表单与弹层 ===== */
.modal-backdrop{background-color:rgba(8,47,43,.55)}
.modal-backdrop.show{opacity:1}
.modal-content{border:0;border-radius:var(--r-modal);box-shadow:var(--sh-3);background:#fff}
.modal-header{border-bottom:1px solid var(--line);padding:22px 26px}
.modal-title{font-size:19px;font-weight:700;color:var(--ink)}
.modal-header .btn-close{opacity:.5}
.modal-header .btn-close:hover{opacity:.9}
.modal-body{padding:24px 26px 10px}
.modal-footer{border-top:0;padding:12px 26px 24px;display:block}
.form-label{font-size:13px;color:var(--muted);margin-bottom:6px;font-weight:500}
.form-control,.form-select{
  height:44px;border-radius:var(--r-input);border:1px solid var(--line);
  font-size:15px;color:var(--ink);background-color:#fff;padding:10px 14px;
  transition:border-color var(--t),box-shadow var(--t);
}
textarea.form-control{height:auto;min-height:104px;line-height:1.7;resize:vertical}
.form-control:focus,.form-select:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,117,107,.18);outline:none;
}
.form-select{
  appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%237C8A87' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center;background-size:16px;
  padding-right:38px;
}
.form-check-input{border-color:var(--line);width:18px;height:18px;margin-top:.22em}
.form-check-input:checked{background-color:var(--brand);border-color:var(--brand)}
.form-check-input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,117,107,.18)}
.form-check-label{font-size:13px;color:var(--text);line-height:1.6}
.form-check-label a{text-decoration:underline;text-underline-offset:3px}
.form-note{font-size:13px;color:var(--muted);margin-top:14px}
.field-error{border-color:var(--accent)!important;box-shadow:0 0 0 3px rgba(224,138,46,.18)!important}
.error-text{font-size:13px;color:var(--accent);margin-top:6px;display:none}
.error-text.show{display:block}

/* ===== 页脚 ===== */
.site-footer{background:var(--brand-3);color:rgba(255,255,255,.72);padding-top:64px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand strong{display:block;color:#fff;font-size:18px;font-weight:700;margin-bottom:12px}
.footer-brand p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.66);max-width:22em;margin-bottom:18px}
.footer-chips{display:flex;flex-wrap:wrap;gap:8px}
.footer-chips a{
  display:inline-block;padding:5px 12px;border-radius:var(--r-chip);
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.82);font-size:13px;
  transition:all var(--t);
}
.footer-chips a:hover{background:rgba(228,240,237,.18);color:#fff}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px}
.footer-col ul li{margin-bottom:11px}
.footer-col ul li a{color:rgba(255,255,255,.7);font-size:14px;transition:color var(--t)}
.footer-col ul li a:hover{color:#fff}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:rgba(255,255,255,.7);margin-bottom:12px}
.footer-contact svg{width:18px;height:18px;flex:0 0 18px;margin-top:3px;stroke:rgba(228,240,237,.8);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.footer-bottom{
  margin-top:52px;padding:22px 0 28px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom p{margin:0}
.footer-bottom .fb-links{display:flex;gap:20px}
.footer-bottom a{color:rgba(255,255,255,.55)}
.footer-bottom a:hover{color:#fff}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
  h1{font-size:36px}
  h2{font-size:26px}
  .hero-grid{gap:40px}
  .split-row{gap:40px}
}
@media (max-width:991.98px){
  .section{padding:64px 0}
  .page-hero{padding:56px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media{order:-1}
  .hero-media img{aspect-ratio:16/9}
  .hero-media::after{display:none}
  .split-row{grid-template-columns:1fr;gap:28px}
  .split-row.reverse .split-media{order:0}
  .split-row.reverse .split-body{order:0}
  .split-row+.split-row{margin-top:56px}
  .scene-grid{grid-template-columns:1fr}
  .scene-card--wide{grid-template-columns:1fr;gap:20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 28px}
}
@media (max-width:767.98px){
  .container,.container-lg,.container-md,.container-sm,.container-xl,.container-xxl{padding:0 16px}
  body{font-size:15px}
  h1{font-size:28px}
  h2{font-size:22px}
  .section{padding:48px 0}
  .page-hero{padding:40px 0 48px}
  .hero-actions .btn{width:100%}
  .cta-section{padding:0 0 48px}
  .accordion-body{padding:0 18px 18px 18px;max-width:100%}
  .accordion-button{padding:16px 18px;font-size:15px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .scene-card--wide .accent-line{top:20px}
}
@media (max-width:575.98px){
  .btn{padding:11px 18px;font-size:14px}
  .trust-list{gap:10px 20px}
  .cta-band{padding:26px 20px;border-radius:16px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .btn-primary:hover,.btn-outline-primary:hover,.scene-card:hover{transform:none}
}

/* roulang page: category2 */
:root{
  --c-primary:#12756B;
  --c-primary-dark:#0B4A44;
  --c-primary-deep:#082F2B;
  --c-primary-soft:#E4F0ED;
  --c-accent:#E08A2E;
  --c-accent-soft:#FBEDDA;
  --c-ink:#16211F;
  --c-body:#4A5956;
  --c-muted:#7C8A87;
  --c-line:#DDE5E1;
  --c-bg:#F7F8F6;
  --c-card:#FFFFFF;
  --c-band:#EDF3F0;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-input:10px;
  --r-chip:999px;
  --r-badge:6px;
  --r-modal:16px;
  --sh-1:0 1px 2px rgba(11,74,68,.06);
  --sh-2:0 10px 30px -14px rgba(11,74,68,.22);
  --sh-3:0 24px 64px -24px rgba(11,74,68,.35);
  --ease:cubic-bezier(.4,0,.2,1);

  --bs-body-font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-body-color:#4A5956;
  --bs-body-bg:#F7F8F6;
  --bs-border-color:#DDE5E1;
  --bs-primary:#12756B;
  --bs-link-color:#12756B;
  --bs-link-hover-color:#0B4A44;
  --bs-focus-ring-color:rgba(224,138,46,.45);
  --bs-border-radius:10px;
  --bs-border-radius-lg:14px;
  --bs-border-radius-sm:8px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.75;
  color:var(--c-body);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--c-ink);margin:0;letter-spacing:-.01em}
h1{font-size:42px;line-height:1.25;font-weight:700}
h2{font-size:30px;line-height:1.3;font-weight:700}
h3{font-size:20px;line-height:1.4;font-weight:600}
p{margin:0 0 1em}
a{color:var(--c-primary);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--c-primary-dark)}
img{max-width:100%;display:block}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.num{font-variant-numeric:tabular-nums}

.container{max-width:1200px;padding:0 24px;margin:0 auto}
@media (max-width:576px){.container{padding:0 16px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,248,246,.94);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--c-line)}
.header-inner{display:flex;align-items:center;gap:24px;min-height:74px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:18px;box-shadow:var(--sh-1);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:18px;font-weight:700;color:var(--c-ink)}
.brand-text small{font-size:12px;color:var(--c-muted);margin-top:3px}
.chip-nav{display:flex;align-items:center;gap:8px;margin-left:auto;flex-wrap:nowrap}
.chip{
  display:inline-flex;align-items:center;
  padding:8px 16px;border-radius:var(--r-chip);
  font-size:14.5px;color:var(--c-ink);white-space:nowrap;
  transition:background .22s var(--ease),color .22s var(--ease);
}
.chip:hover{background:var(--c-primary-soft);color:var(--c-primary-dark)}
.chip.active{background:var(--c-primary);color:#fff;box-shadow:0 1px 2px rgba(11,74,68,.18)}
.header-actions{display:flex;align-items:center;gap:20px;flex:0 0 auto}
.header-actions .divider{width:1px;height:26px;background:var(--c-line);display:none}
@media (min-width:992px){.header-actions .divider{display:block}}
.menu-toggle{
  width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);background:#fff;color:var(--c-primary-dark);
  display:inline-flex;align-items:center;justify-content:center;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.menu-toggle:hover{border-color:rgba(18,117,107,.3);background:var(--c-primary-soft)}
.menu-toggle svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round}

/* 移动端抽屉 */
.offcanvas{background:#fff}
.offcanvas-header{border-bottom:1px solid var(--c-line);padding:18px 20px}
.offcanvas-title{font-size:17px;font-weight:700;color:var(--c-ink)}
.offcanvas-body{padding:16px 20px 28px}
.drawer-nav{display:flex;flex-direction:column;gap:8px;margin-bottom:24px}
.drawer-nav a{
  padding:12px 16px;border-radius:var(--r-btn);
  background:var(--c-band);color:var(--c-ink);font-size:15px;
}
.drawer-nav a:hover{background:var(--c-primary-soft);color:var(--c-primary-dark)}
.drawer-nav a.active{background:var(--c-primary);color:#fff}

/* ---------- 按钮 ---------- */
.btn{
  border-radius:var(--r-btn);
  font-size:15px;
  padding:11px 22px;
  font-weight:500;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease);
}
.btn-primary{
  background:var(--c-primary);border:1px solid var(--c-primary);color:#fff;
  box-shadow:var(--sh-1);
}
.btn-primary:hover,.btn-primary:focus{
  background:#0E655D;border-color:#0E655D;color:#fff;
  transform:translateY(-1px);box-shadow:var(--sh-2);
}
.btn-primary:active{background:var(--c-primary-dark);border-color:var(--c-primary-dark);transform:translateY(0)}
.btn-outline-primary{
  background:transparent;border:1px solid var(--c-primary);color:var(--c-primary);
}
.btn-outline-primary:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);border-color:var(--c-primary)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-lg{padding:14px 28px;font-size:16px}
.btn-link-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-primary);font-size:14.5px;font-weight:500;padding:0;background:none;border:0;
}
.btn-link-text svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;transition:transform .22s var(--ease)}
.btn-link-text:hover{color:var(--c-primary-dark)}
.btn-link-text:hover svg{transform:translateX(4px)}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-band{background:var(--c-band)}
.section-soft{background:var(--c-primary-soft)}
.section-head{max-width:720px;margin-bottom:40px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--c-primary-dark);
  background:var(--c-primary-soft);
  padding:5px 12px;border-radius:var(--r-chip);margin-bottom:16px;
}
.section-head p{font-size:16px;color:var(--c-body);margin:14px 0 0}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- Hero ---------- */
.hero{padding:64px 0 72px;background:var(--c-bg);position:relative;overflow:hidden}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(18,117,107,.14) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.6),transparent 72%);
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.6),transparent 72%);
}
.hero .container{position:relative;z-index:1}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--c-muted);margin-bottom:16px;padding:0;background:none;
}
.breadcrumb a{color:var(--c-muted)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:var(--c-line)}
.breadcrumb .current{color:var(--c-primary-dark);font-weight:500}
.hero-grid{display:grid;grid-template-columns:6fr 5fr;gap:56px;align-items:center}
.hero h1{margin-bottom:18px}
.hero h1 .accent{color:var(--c-primary)}
.hero-lead{font-size:16.5px;line-height:1.8;color:var(--c-body);max-width:560px;margin-bottom:28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-points{display:flex;flex-wrap:wrap;gap:24px}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-body)}
.hero-points svg{width:18px;height:18px;stroke:var(--c-primary);fill:none;stroke-width:2}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:16px;background:var(--c-band);box-shadow:var(--sh-2);
}
.hero-media .stamp{
  position:absolute;left:-14px;bottom:22px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:14px 18px;box-shadow:var(--sh-2);
}
.hero-media .stamp strong{display:block;font-size:20px;color:var(--c-primary);font-weight:700}
.hero-media .stamp span{font-size:12.5px;color:var(--c-muted)}

/* ---------- 卖点卡组 ---------- */
.point-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.card-base{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  position:relative;
}
.card-base:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(18,117,107,.3)}
.card-base h3{font-size:17px;margin-bottom:10px}
.card-base p{font-size:14px;line-height:1.7;color:var(--c-body);margin:0}
.point-icon{
  width:42px;height:42px;border-radius:12px;background:var(--c-primary-soft);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.point-icon svg{width:22px;height:22px;stroke:var(--c-primary);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.point-wide{
  grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center;
  padding:0;overflow:hidden;
}
.point-wide .point-wide-text{padding:28px}
.point-wide img{width:100%;height:100%;min-height:200px;object-fit:cover;background:var(--c-band)}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;padding-left:34px}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;background:var(--c-primary-soft);
}
.timeline-item{position:relative;margin-bottom:22px}
.timeline-item:last-child{margin-bottom:0}
.timeline-item::before{
  content:"";position:absolute;left:-30px;top:26px;
  width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--c-primary);
}
.timeline-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px 26px;box-shadow:var(--sh-1);
  transition:box-shadow .22s var(--ease),transform .22s var(--ease);
  display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:start;
}
.timeline-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.timeline-num{
  width:42px;height:42px;border-radius:50%;
  border:1.5px solid var(--c-accent);color:var(--c-accent);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
  background:var(--c-accent-soft);
}
.timeline-card h3{font-size:17px;margin-bottom:8px}
.timeline-card p{font-size:14.5px;color:var(--c-body);margin:0}

/* ---------- 场景图文卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.scene-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(18,117,107,.3)}
.scene-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--c-band)}
.scene-body{padding:24px 26px}
.scene-body h3{font-size:17px;margin-bottom:10px}
.scene-body p{font-size:14px;line-height:1.7;margin:0 0 14px}
.check-list li{
  position:relative;padding-left:22px;font-size:14px;color:var(--c-body);margin-bottom:8px;
}
.check-list li:last-child{margin-bottom:0}
.check-list li::before{
  content:"";position:absolute;left:4px;top:9px;
  width:7px;height:7px;border-radius:2px;background:var(--c-primary);
}

/* ---------- 数据带 ---------- */
.data-band{background:var(--c-primary-deep);padding:56px 0}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.data-item{padding:0 24px;border-left:1px solid rgba(255,255,255,.14)}
.data-item:first-child{border-left:0;padding-left:0}
.data-item strong{
  display:block;font-size:38px;line-height:1.2;font-weight:700;color:#fff;
  font-variant-numeric:tabular-nums;margin-bottom:8px;
}
.data-item strong .unit{font-size:18px;margin-left:2px;color:var(--c-accent)}
.data-item span{font-size:13.5px;color:rgba(255,255,255,.72)}
.data-note{font-size:13px;color:rgba(255,255,255,.5);margin-top:22px}

/* ---------- FAQ ---------- */
.accordion-item{
  background:#fff;border:1px solid var(--c-line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);
}
.accordion-button{
  background:#fff;color:var(--c-ink);font-size:16px;font-weight:600;
  padding:18px 22px;box-shadow:none;border:0;
  transition:color .22s var(--ease),background .22s var(--ease);
}
.accordion-button:not(.collapsed){color:var(--c-primary-dark);background:#fff;box-shadow:none}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--c-accent);outline-offset:-2px}
.accordion-button::after{
  content:"";width:16px;height:16px;
  background-image:none;border-right:2px solid var(--c-primary);border-bottom:2px solid var(--c-primary);
  transform:rotate(45deg);transition:transform .22s var(--ease);
  margin-top:-6px;
}
.accordion-button:not(.collapsed)::after{transform:rotate(225deg);margin-top:2px;border-color:var(--c-primary-dark)}
.accordion-button:not(.collapsed)+.accordion-collapse .accordion-body{position:relative}
.accordion-item.is-open{border-color:rgba(18,117,107,.3)}
.accordion-body{
  padding:0 22px 20px 22px;
  font-size:15px;line-height:1.8;color:var(--c-body);max-width:90%;
}
.accordion-collapse.show .accordion-body{border-left:3px solid var(--c-primary);padding-left:19px;margin-left:22px}
.accordion-header{display:flex}

/* ---------- 表单弹层 ---------- */
.modal-backdrop{background:rgba(8,47,43,.55)}
.modal-backdrop.show{opacity:1}
.modal-content{border:0;border-radius:var(--r-modal);box-shadow:var(--sh-3);overflow:hidden}
.modal-header{border-bottom:1px solid var(--c-line);padding:22px 26px 18px}
.modal-title{font-size:19px;font-weight:700;color:var(--c-ink)}
.modal-body{padding:22px 26px 26px}
.modal-header .btn-close{opacity:.5}
.modal-header .btn-close:hover{opacity:.9}
.form-label{font-size:13px;color:var(--c-muted);margin-bottom:6px}
.form-control,.form-select{
  height:44px;border-radius:var(--r-input);border:1px solid var(--c-line);
  font-size:14.5px;color:var(--c-ink);background-color:#fff;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
textarea.form-control{height:auto;min-height:112px;padding-top:10px;line-height:1.7}
.form-control:focus,.form-select:focus{
  border-color:var(--c-primary);box-shadow:0 0 0 2px rgba(18,117,107,.2);
}
.form-select{
  appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2312756B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:40px;
}
.form-check-input{border-color:var(--c-line)}
.form-check-input:checked{background-color:var(--c-primary);border-color:var(--c-primary)}
.form-check-input:focus{box-shadow:0 0 0 2px rgba(18,117,107,.2);border-color:var(--c-primary)}
.form-check-label{font-size:13.5px;color:var(--c-body)}
.form-hint{font-size:12.5px;color:var(--c-muted);margin-top:10px}
.form-hint a{text-decoration:underline;text-underline-offset:3px}

/* ---------- 底部 CTA ---------- */
.cta-band{background:var(--c-primary-soft);padding:64px 0}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  background:#fff;border:1px solid var(--c-line);border-radius:16px;
  padding:36px 40px;box-shadow:var(--sh-1);
}
.cta-inner h2{font-size:24px;margin-bottom:8px}
.cta-inner p{margin:0;font-size:14.5px;color:var(--c-body)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.72);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px}
.footer-brand strong{display:block;font-size:19px;color:#fff;font-weight:700;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.66);max-width:300px;margin-bottom:18px}
.footer-chips{display:flex;flex-wrap:wrap;gap:8px}
.footer-chips a{
  font-size:13px;color:#fff;background:rgba(255,255,255,.1);
  padding:6px 12px;border-radius:var(--r-chip);
  transition:background .22s var(--ease);
}
.footer-chips a:hover{background:rgba(255,255,255,.2);color:#fff}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.7)}
.footer-col ul li a:hover{color:#fff}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:12px}
.footer-contact svg{width:17px;height:17px;stroke:rgba(255,255,255,.6);fill:none;flex:0 0 auto;margin-top:3px}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom p{margin:0}
.footer-legal{display:flex;gap:20px}
.footer-legal a{font-size:13px;color:rgba(255,255,255,.55)}
.footer-legal a:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{max-width:960px}
  .hero-grid{gap:40px}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:32px}
  .footer-col:last-child{grid-column:1/-1}
}
@media (max-width:991px){
  .container{max-width:720px}
  .section{padding:64px 0}
  h1{font-size:34px}
  h2{font-size:25px}
  .hero{padding:48px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media{order:-1}
  .hero-media img{aspect-ratio:16/9}
  .hero-media .stamp{left:14px;bottom:-16px;padding:10px 14px}
  .point-grid{grid-template-columns:1fr}
  .point-wide{grid-template-columns:1fr}
  .point-wide img{min-height:200px;aspect-ratio:16/9}
  .scene-grid{grid-template-columns:1fr}
  .data-grid{grid-template-columns:repeat(2,1fr);gap:28px 0}
  .data-item:nth-child(3){border-left:0;padding-left:0}
  .data-item strong{font-size:32px}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:30px 26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-col:last-child{grid-column:auto}
}
@media (max-width:767px){
  .container{max-width:100%}
  .header-inner{min-height:66px;gap:12px}
  .brand-text small{display:none}
  .brand-text strong{font-size:16px}
  .brand-mark{width:36px;height:36px;font-size:16px}
}
@media (max-width:575px){
  body{font-size:15px}
  h1{font-size:28px}
  h2{font-size:22px}
  .section{padding:48px 0}
  .hero-cta .btn{width:100%;text-align:center;justify-content:center}
  .timeline{padding-left:26px}
  .timeline-item::before{left:-24px}
  .timeline-card{grid-template-columns:1fr;gap:12px;padding:20px 20px}
  .data-grid{grid-template-columns:repeat(2,1fr);gap:24px 0}
  .data-item{padding:0 16px}
  .data-item strong{font-size:28px}
  .footer-grid{grid-template-columns:1fr}
  .accordion-body{max-width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  .card-base:hover,.scene-card:hover,.timeline-card:hover{transform:none}
  .btn-link-text:hover svg{transform:none}
}

/* roulang page: category3 */
:root{
  --brand:#12756B;
  --brand-dark:#0B4A44;
  --brand-deep:#082F2B;
  --brand-soft:#E4F0ED;
  --accent:#E08A2E;
  --accent-soft:#FBEDDA;
  --ink:#16211F;
  --body:#4A5956;
  --muted:#7C8A87;
  --line:#DDE5E1;
  --page:#F7F8F6;
  --card:#FFFFFF;
  --band:#EDF3F0;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-input:10px;
  --r-chip:999px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(11,74,68,.06);
  --sh-2:0 10px 30px -14px rgba(11,74,68,.22);
  --sh-3:0 24px 64px -24px rgba(11,74,68,.35);
  --t:.22s cubic-bezier(.4,0,.2,1);
  --sec:88px;
  --bs-primary:#12756B;
  --bs-primary-rgb:18,117,107;
  --bs-body-font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-body-color:#4A5956;
  --bs-body-bg:#F7F8F6;
  --bs-border-color:#DDE5E1;
  --bs-border-radius:10px;
  --bs-border-radius-lg:14px;
  --bs-border-radius-sm:8px;
  --bs-link-color:#12756B;
  --bs-link-hover-color:#0B4A44;
  --bs-focus-ring-color:rgba(224,138,46,.45);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--page);
  color:var(--body);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t);}
a:hover{color:var(--brand-dark);}
p{margin:0 0 1em;}
h1,h2,h3,h4{color:var(--ink);margin:0;letter-spacing:-.01em;}
h1{font-size:42px;line-height:1.25;font-weight:700;}
h2{font-size:30px;line-height:1.3;font-weight:700;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
ul{list-style:none;margin:0;padding:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}
.section{padding:var(--sec) 0;}
.section-tight{padding:64px 0;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,248,246,.94);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color var(--t),box-shadow var(--t);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 20px -18px rgba(11,74,68,.5);}
.header-inner{display:flex;align-items:center;gap:24px;min-height:74px;}
.brand{display:flex;flex-direction:column;line-height:1.15;flex:0 0 auto;}
.brand-name{font-size:19px;font-weight:700;color:var(--brand-dark);letter-spacing:-.01em;}
.brand-sub{font-size:12px;color:var(--muted);margin-top:3px;}
.chip-nav{
  display:flex;align-items:center;gap:6px;
  margin-left:8px;margin-right:auto;
  overflow-x:auto;scrollbar-width:none;
}
.chip-nav::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;align-items:center;
  padding:8px 16px;border-radius:var(--r-chip);
  font-size:14px;color:var(--ink);white-space:nowrap;
  border:1px solid transparent;
  transition:background-color var(--t),color var(--t),border-color var(--t);
}
.chip:hover{background:var(--brand-soft);color:var(--brand-dark);}
.chip.active{background:var(--brand);color:#fff;box-shadow:0 2px 6px -2px rgba(11,74,68,.35);}
.chip.active:hover{background:var(--brand-dark);color:#fff;}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.header-divider{width:1px;height:26px;background:var(--line);}
.hamburger{
  width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  transition:border-color var(--t),background-color var(--t);
}
.hamburger:hover{border-color:rgba(18,117,107,.4);background:var(--brand-soft);}
.hamburger svg{width:20px;height:20px;stroke:var(--brand-dark);fill:none;stroke-width:1.9;stroke-linecap:round;}

/* ---------- buttons ---------- */
.btn{font-family:inherit;font-size:15px;border-radius:var(--r-btn);padding:11px 22px;font-weight:600;
  transition:background-color var(--t),color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);}
.btn-primary{background:var(--brand);border:1px solid var(--brand);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover,.btn-primary:focus{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{background:var(--brand-deep);border-color:var(--brand-deep);color:#fff;transform:translateY(0);}
.btn-outline-primary{border:1px solid var(--brand);color:var(--brand);background:transparent;}
.btn-outline-primary:hover,.btn-outline-primary:focus{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-dark);}
.btn-link{color:var(--brand);font-weight:600;text-decoration:none;padding:0;}
.btn-link:hover{color:var(--brand-dark);}
.btn-sm{padding:8px 16px;font-size:14px;}
.btn-block{width:100%;}
.btn:disabled,.btn.disabled{opacity:.45;transform:none;box-shadow:none;}

/* ---------- breadcrumb ---------- */
.breadcrumb-bar{padding:22px 0 0;}
.breadcrumb{background:transparent;padding:0;margin:0;font-size:13px;--bs-breadcrumb-divider:'›';}
.breadcrumb-item+.breadcrumb-item::before{color:var(--muted);padding:0 6px;content:'›';}
.breadcrumb-item a{color:var(--muted);}
.breadcrumb-item a:hover{color:var(--brand);}
.breadcrumb-item.active{color:var(--brand-dark);font-weight:600;}

/* ---------- hero ---------- */
.cat-hero{padding:18px 0 0;}
.hero-panel{
  display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;
  padding:40px 0 8px;
}
.hero-copy h1{margin-bottom:18px;font-size:42px;max-width:16em;}
.hero-copy h1 .hl{color:var(--brand);}
.hero-lead{font-size:17px;line-height:1.85;color:var(--body);max-width:34em;margin-bottom:24px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.point-chip{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-soft);color:var(--brand-dark);
  border-radius:var(--r-chip);padding:7px 14px;font-size:13px;font-weight:600;
}
.point-chip svg{width:15px;height:15px;stroke:var(--brand);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.hero-figure{position:relative;}
.hero-figure img{border-radius:var(--r-img);aspect-ratio:4/3;object-fit:cover;width:100%;box-shadow:var(--sh-2);}
.hero-figure::after{
  content:"";position:absolute;inset:auto -18px -18px auto;width:140px;height:140px;
  background-image:radial-gradient(var(--brand) 1.4px,transparent 1.4px);
  background-size:12px 12px;opacity:.12;border-radius:12px;pointer-events:none;
}
.hero-seal{
  position:absolute;left:-14px;top:-14px;
  width:70px;height:70px;border:2px solid rgba(18,117,107,.35);border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.9);color:var(--brand-dark);font-weight:700;font-size:22px;
}

/* ---------- section heading ---------- */
.sec-head{max-width:720px;margin-bottom:38px;}
.sec-head .kicker{
  display:inline-block;font-size:13px;font-weight:700;color:var(--brand);
  background:var(--brand-soft);border-radius:var(--r-chip);padding:5px 14px;margin-bottom:14px;
}
.sec-head h2{margin-bottom:14px;}
.sec-head p{color:var(--body);margin:0;}
.band{background:var(--band);}

/* ---------- compare ---------- */
.cmp-wrap{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:#fff;box-shadow:var(--sh-1);}
.cmp-head{display:grid;grid-template-columns:1fr 1fr;background:var(--brand-soft);}
.cmp-head span{padding:14px 26px;font-size:14px;font-weight:700;color:var(--brand-dark);}
.cmp-head span+span{border-left:1px solid rgba(18,117,107,.16);}
.cmp-head span.warn{color:#8A5A1E;}
.cmp-row{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);}
.cmp-cell{padding:24px 26px;}
.cmp-cell+.cmp-cell{border-left:1px solid var(--line);}
.cmp-cell h3{font-size:16px;margin-bottom:8px;}
.cmp-cell p{font-size:14.5px;margin:0;color:var(--body);}
.cmp-cell .cmp-tag{display:none;}
.cmp-cell.left{background:#FCFDFC;}
.cmp-cell.right{background:#F4FAF8;}
.cmp-cell.right h3{color:var(--brand-dark);}
.cmp-cell .cmp-mark{
  display:inline-flex;width:22px;height:22px;border-radius:50%;
  align-items:center;justify-content:center;margin-right:8px;
  font-size:12px;font-weight:700;vertical-align:2px;
}
.cmp-cell.left .cmp-mark{border:1.5px solid #C9CFCC;color:#8B9693;}
.cmp-cell.right .cmp-mark{border:1.5px solid var(--accent);color:var(--accent);}

/* ---------- coverage cards ---------- */
.cover-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.cover-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.cover-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(18,117,107,.3);}
.cover-card img{aspect-ratio:16/9;object-fit:cover;width:100%;background:var(--band);}
.cover-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.cover-body h3{font-size:17px;}
.cover-body p{font-size:14px;line-height:1.7;margin:0;color:var(--body);}
.cover-body .cover-link{margin-top:auto;font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.cover-body .cover-link svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform var(--t);}
.cover-card:hover .cover-link svg{transform:translateX(4px);}
.cover-body .tag{
  align-self:flex-start;background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:700;
  border-radius:var(--r-badge);padding:3px 9px;
}

/* ---------- steps list ---------- */
.check-wrap{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start;}
.check-figure img{border-radius:var(--r-img);aspect-ratio:3/4;object-fit:cover;width:100%;}
.check-list li{
  display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--line);
}
.check-list li:first-child{padding-top:0;}
.check-list li:last-child{border-bottom:none;padding-bottom:0;}
.check-num{
  flex:0 0 auto;width:40px;height:40px;border-radius:50%;
  border:1.5px solid var(--brand);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;
}
.check-list h3{font-size:17px;margin-bottom:6px;}
.check-list p{font-size:14.5px;margin:0;color:var(--body);}

/* ---------- faq ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;
  box-shadow:var(--sh-1);
}
.accordion-button{
  background:#fff;color:var(--ink);font-size:16px;font-weight:600;
  padding:18px 22px;box-shadow:none;border:none;
}
.accordion-button:not(.collapsed){color:var(--brand-dark);background:#fff;box-shadow:none;}
.accordion-button:focus{box-shadow:none;border-color:transparent;}
.accordion-button::after{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%2312756B' stroke-width='2.2' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
  background-size:18px;width:18px;height:18px;transition:transform var(--t);
}
.accordion-button:not(.collapsed)::after{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%230B4A44' stroke-width='2.2' stroke-linecap='round'%3E%3Cpath d='M5 12h14'/%3E%3C/svg%3E");
  transform:rotate(180deg);
}
.accordion-button.collapsed::after{transform:rotate(0);}
.accordion-item:has(.accordion-button:not(.collapsed)){border-left:3px solid var(--brand);}
.accordion-body{padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--body);max-width:90%;}

/* ---------- cta ---------- */
.cta-band{
  background:var(--brand-soft);border:1px solid rgba(18,117,107,.16);
  border-radius:16px;padding:40px 44px;
  display:flex;align-items:center;gap:32px;flex-wrap:wrap;
}
.cta-band h2{font-size:26px;margin-bottom:10px;}
.cta-band p{margin:0;color:var(--body);font-size:15px;max-width:52ch;}
.cta-band .cta-action{margin-left:auto;}

/* ---------- modal ---------- */
.modal-backdrop.show{opacity:1;background:rgba(8,47,43,.55);}
.modal-content{border:none;border-radius:16px;box-shadow:var(--sh-3);}
.modal-header{border-bottom:1px solid var(--line);padding:22px 26px 16px;}
.modal-title{font-size:20px;font-weight:700;color:var(--ink);}
.modal-body{padding:22px 26px 26px;}
.modal-footer{border-top:1px solid var(--line);padding:16px 26px;}
.form-label{font-size:13px;color:var(--muted);margin-bottom:6px;font-weight:600;}
.form-control,.form-select{
  height:44px;border-radius:var(--r-input);border:1px solid var(--line);
  font-size:15px;color:var(--ink);background-color:#fff;padding:0 14px;
}
textarea.form-control{height:auto;padding:12px 14px;min-height:104px;}
.form-control:focus,.form-select:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,117,107,.2);outline:none;
}
.form-select{
  appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%234A5956' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:38px;
}
.form-check-input{border-color:#C6D2CE;}
.form-check-input:checked{background-color:var(--brand);border-color:var(--brand);}
.form-check-input:focus{box-shadow:0 0 0 3px rgba(18,117,107,.2);}
.form-check-label{font-size:13.5px;color:var(--body);}
.form-hint{font-size:13px;color:var(--muted);}
.modal-note{font-size:13px;color:var(--muted);margin-top:14px;text-align:center;}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.72);padding-top:64px;margin-top:88px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand strong{display:block;color:#fff;font-size:19px;font-weight:700;margin-bottom:14px;}
.footer-brand p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.7);max-width:30ch;}
.footer-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.footer-chips a{
  font-size:12.5px;color:rgba(255,255,255,.8);background:rgba(255,255,255,.08);
  border-radius:var(--r-chip);padding:5px 12px;transition:background-color var(--t),color var(--t);
}
.footer-chips a:hover{background:rgba(255,255,255,.18);color:#fff;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.7);}
.footer-col ul li a:hover{color:#fff;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;line-height:1.6;color:rgba(255,255,255,.72);margin-bottom:14px;}
.footer-contact svg{width:17px;height:17px;flex:0 0 auto;margin-top:2px;stroke:rgba(255,255,255,.7);fill:none;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.55);}
.footer-bottom a:hover{color:#fff;}
.footer-bottom .fb-links{display:flex;gap:18px;flex-wrap:wrap;}

/* ---------- offcanvas ---------- */
.offcanvas{background:var(--page);}
.offcanvas-header{border-bottom:1px solid var(--line);}
.offcanvas-title{font-size:17px;font-weight:700;color:var(--brand-dark);}
.offcanvas-body .chip{display:block;width:100%;margin-bottom:8px;text-align:left;padding:12px 16px;}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .container{max-width:960px;}
  .cover-grid{grid-template-columns:repeat(2,1fr);}
  .hero-panel{gap:36px;}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:32px;}
  .footer-contact{grid-column:1/-1;}
}
@media (max-width:991.98px){
  :root{--sec:64px;}
  .container{max-width:720px;}
  h1{font-size:32px;}
  h2{font-size:24px;}
  .hero-panel{grid-template-columns:1fr;gap:28px;}
  .hero-copy h1{font-size:32px;}
  .check-wrap{grid-template-columns:1fr;gap:28px;}
  .check-figure img{aspect-ratio:16/9;}
  .cta-band{padding:32px 28px;}
  .cta-band .cta-action{margin-left:0;width:100%;}
  .cta-band .cta-action .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767.98px){
  :root{--sec:48px;}
  .container{max-width:100%;padding-left:16px;padding-right:16px;}
  h1{font-size:28px;}
  h2{font-size:22px;}
  body{font-size:15px;}
  .hero-copy h1{font-size:28px;}
  .hero-lead{font-size:16px;}
  .cover-grid{grid-template-columns:1fr;}
  .cmp-head{display:none;}
  .cmp-row{grid-template-columns:1fr;border-top:none;}
  .cmp-cell+.cmp-cell{border-left:none;border-top:1px dashed var(--line);}
  .cmp-cell{padding:18px 18px 20px;}
  .cmp-cell .cmp-tag{
    display:inline-block;font-size:12px;font-weight:700;border-radius:var(--r-badge);
    padding:3px 9px;margin-bottom:10px;
  }
  .cmp-cell.left .cmp-tag{background:#EFEFED;color:#6B7673;}
  .cmp-cell.right .cmp-tag{background:var(--accent-soft);color:#8A5A1E;}
  .hero-seal{width:54px;height:54px;font-size:17px;left:-6px;top:-6px;}
  .cta-band{padding:26px 20px;border-radius:14px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:34px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .accordion-body{max-width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
  .cover-card:hover,.btn-primary:hover{transform:none;}
}

/* roulang page: category4 */
:root{
  --brand:#12756B;
  --brand-dark:#0B4A44;
  --brand-deep:#082F2B;
  --brand-soft:#E4F0ED;
  --accent:#E08A2E;
  --accent-soft:#FBEDDA;
  --ink:#16211F;
  --text:#4A5956;
  --muted:#7C8A87;
  --line:#DDE5E1;
  --page:#F7F8F6;
  --card:#FFFFFF;
  --band:#EDF3F0;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-chip:999px;
  --sh-1:0 1px 2px rgba(11,74,68,.06);
  --sh-2:0 10px 30px -14px rgba(11,74,68,.22);
  --sh-3:0 24px 64px -24px rgba(11,74,68,.35);
  --ease:cubic-bezier(.4,0,.2,1);

  --bs-primary:#12756B;
  --bs-primary-rgb:18,117,107;
  --bs-body-font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-body-color:#4A5956;
  --bs-body-bg:#F7F8F6;
  --bs-border-color:#DDE5E1;
  --bs-border-radius:14px;
  --bs-border-radius-lg:16px;
  --bs-border-radius-sm:10px;
  --bs-link-color:#12756B;
  --bs-link-hover-color:#0B4A44;
  --bs-focus-ring-color:rgba(224,138,46,.45);
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4{color:var(--ink);margin:0;letter-spacing:-.01em;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.container,
.container-lg,
.container-md,
.container-sm,
.container-xl{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(247,248,246,.94);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 6px 24px -18px rgba(11,74,68,.35);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:76px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  flex:none;
  color:var(--ink);
}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:38px;height:38px;
  border-radius:8px;
  border:1.5px solid var(--brand);
  color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:17px;
  background:var(--brand-soft);
  flex:none;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:18px;font-weight:700;letter-spacing:-.01em}
.brand-text small{font-size:12px;color:var(--muted);letter-spacing:0}

.chip-nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
  flex-wrap:nowrap;
}
.chip{
  display:inline-flex;
  align-items:center;
  padding:8px 16px;
  border-radius:var(--r-chip);
  font-size:14.5px;
  color:var(--ink);
  white-space:nowrap;
  transition:background .22s var(--ease),color .22s var(--ease),box-shadow .22s var(--ease);
}
.chip:hover{background:var(--brand-soft);color:var(--brand-dark)}
.chip.active{
  background:var(--brand);
  color:#fff;
  box-shadow:0 1px 3px rgba(11,74,68,.18);
}
.header-divider{
  width:1px;height:26px;
  background:var(--line);
  flex:none;
}
.header-actions{display:flex;align-items:center;gap:12px;flex:none}
.hamburger{
  width:42px;height:42px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.hamburger:hover{border-color:rgba(18,117,107,.35);box-shadow:var(--sh-1)}
.hamburger svg{width:20px;height:20px;stroke:var(--ink);stroke-width:1.8;fill:none;stroke-linecap:round}

/* ---------- Buttons ---------- */
.btn{
  border-radius:var(--r-btn);
  font-weight:600;
  font-size:15px;
  padding:11px 22px;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-primary,
.btn-primary:focus{
  background:var(--brand);
  border-color:var(--brand);
  color:#fff;
  box-shadow:var(--sh-1);
}
.btn-primary:hover,
.btn-primary:active{
  background:#0F6259;
  border-color:#0F6259;
  color:#fff;
  transform:translateY(-1px);
  box-shadow:var(--sh-2);
}
.btn-outline-brand{
  background:transparent;
  border:1px solid var(--brand);
  color:var(--brand);
}
.btn-outline-brand:hover{
  background:var(--brand-soft);
  border-color:var(--brand);
  color:var(--brand-dark);
  transform:translateY(-1px);
}
.btn-soft{
  background:var(--brand-soft);
  border:1px solid transparent;
  color:var(--brand-dark);
}
.btn-soft:hover{background:#d6e9e4;color:var(--brand-deep)}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14.5px;
  font-weight:600;
  color:var(--brand);
}
.link-arrow svg{width:16px;height:16px;stroke:currentColor;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round;transition:transform .22s var(--ease)}
.link-arrow:hover svg{transform:translateX(4px)}
.btn-lg{padding:13px 28px;font-size:16px}

/* ---------- Hero ---------- */
.page-hero{
  padding:56px 0 72px;
  background:var(--page);
  position:relative;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(18,117,107,.14) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.5;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.5),transparent 72%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.5),transparent 72%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1}
.breadcrumb-nav{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:20px;
  flex-wrap:wrap;
}
.breadcrumb-nav a{color:var(--muted)}
.breadcrumb-nav a:hover{color:var(--brand)}
.breadcrumb-nav .sep{color:#b9c5c1}
.breadcrumb-nav .current{color:var(--brand-dark);font-weight:600}

.hero-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:center;
}
.eyebrow{
  display:inline-block;
  background:var(--brand-soft);
  color:var(--brand-dark);
  font-size:13px;
  font-weight:600;
  padding:5px 14px;
  border-radius:var(--r-chip);
  margin-bottom:18px;
}
.page-hero h1{
  font-size:42px;
  line-height:1.25;
  margin-bottom:18px;
}
.hero-lead{
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  max-width:620px;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.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:7px}
.hero-points svg{width:16px;height:16px;stroke:var(--brand);stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:16px;
  box-shadow:var(--sh-2);
}
.hero-visual::after{
  content:"";
  position:absolute;
  left:-14px;bottom:-14px;
  width:96px;height:96px;
  border-left:3px solid var(--brand);
  border-bottom:3px solid var(--brand);
  border-radius:0 0 0 14px;
  opacity:.5;
  pointer-events:none;
}

/* ---------- Sections ---------- */
.section{padding:88px 0}
.section-alt{background:var(--band)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head .kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  font-weight:600;
  color:var(--brand);
  margin-bottom:14px;
}
.section-head .kicker::before{
  content:"";
  width:18px;height:3px;
  border-radius:2px;
  background:var(--brand);
}
.section-head h2{font-size:30px;line-height:1.3;margin-bottom:14px}
.section-head p{font-size:15.5px;color:var(--text)}

.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}

.sol-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  display:flex;
  flex-direction:column;
}
.sol-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
  border-color:rgba(18,117,107,.3);
}
.sol-card figure{margin:0;background:var(--band)}
.sol-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.sol-card .sol-body{padding:26px 26px 28px}
.sol-card h3{font-size:17px;line-height:1.5;margin-bottom:10px}
.sol-card p{font-size:14px;line-height:1.7;color:var(--text);margin-bottom:16px}
.ticks{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.ticks li{
  position:relative;
  padding-left:20px;
  font-size:13.5px;
  color:var(--text);
  line-height:1.6;
}
.ticks li::before{
  content:"";
  position:absolute;
  left:2px;top:8px;
  width:7px;height:7px;
  border-radius:2px;
  background:var(--brand);
  opacity:.85;
}

/* ---------- Deliver block ---------- */
.split{
  display:grid;
  grid-template-columns:6fr 6fr;
  gap:56px;
  align-items:center;
}
.split h2{font-size:30px;line-height:1.3;margin-bottom:16px}
.split > div > p{font-size:15.5px;margin-bottom:24px}
.num-list{display:flex;flex-direction:column;gap:18px;margin-bottom:28px}
.num-list li{display:flex;gap:16px;align-items:flex-start}
.num-badge{
  width:34px;height:34px;
  flex:none;
  border-radius:8px;
  border:1.5px solid rgba(18,117,107,.5);
  color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  background:#fff;
}
.num-list h3{font-size:16px;margin-bottom:4px}
.num-list p{font-size:14px;line-height:1.7;color:var(--text)}
.split-visual img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-img);
  box-shadow:var(--sh-2);
}

/* ---------- Data band ---------- */
.data-band{
  background:var(--brand-deep);
  padding:64px 0;
}
.data-band .container{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
}
.data-item{
  padding:6px 28px;
  border-left:1px solid rgba(255,255,255,.14);
}
.data-item:first-child{border-left:none;padding-left:0}
.data-item strong{
  display:block;
  font-size:19px;
  font-weight:700;
  color:#fff;
  margin-bottom:8px;
  font-variant-numeric:tabular-nums;
}
.data-item span{
  display:block;
  font-size:13.5px;
  line-height:1.7;
  color:rgba(255,255,255,.72);
}
.data-band .band-title{
  grid-column:1 / -1;
  color:#fff;
  font-size:22px;
  margin-bottom:36px;
  font-weight:700;
}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px}
.accordion-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.accordion-item + .accordion-item{margin-top:12px}
.accordion-button{
  width:100%;
  background:#fff;
  color:var(--ink);
  font-size:16px;
  font-weight:600;
  padding:20px 24px;
  border:0;
  box-shadow:none;
  display:flex;
  align-items:center;
  gap:14px;
  text-align:left;
  transition:color .22s var(--ease),background .22s var(--ease);
}
.accordion-button:not(.collapsed){
  color:var(--brand-dark);
  box-shadow:inset 3px 0 0 var(--brand);
  background:#FBFDFC;
}
.accordion-button:hover{color:var(--brand)}
.accordion-button:focus,
.accordion-button:focus-visible{
  box-shadow:inset 3px 0 0 var(--brand), 0 0 0 2px rgba(224,138,46,.35);
  outline:none;
}
.accordion-button::after{
  content:"";
  margin-left:auto;
  width:16px;height:16px;
  flex:none;
  background:
    linear-gradient(var(--brand),var(--brand)) center/12px 2px no-repeat,
    linear-gradient(var(--brand),var(--brand)) center/2px 12px no-repeat;
  transition:background .22s var(--ease);
}
.accordion-button:not(.collapsed)::after{
  background:linear-gradient(var(--brand-dark),var(--brand-dark)) center/12px 2px no-repeat;
}
.accordion-body{
  padding:4px 24px 24px 24px;
  font-size:15px;
  line-height:1.8;
  color:var(--text);
  max-width:90%;
}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand-soft);
  padding:64px 0;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.cta-inner h2{font-size:26px;line-height:1.35;margin-bottom:10px}
.cta-inner p{font-size:15px;color:var(--text);max-width:620px}
.cta-inner .cta-actions{flex:none;display:flex;gap:12px;flex-wrap:wrap}

/* ---------- Forms ---------- */
.form-label{
  font-size:13px;
  color:var(--muted);
  margin-bottom:6px;
  font-weight:500;
}
.form-control,
.form-select{
  height:44px;
  border-radius:10px;
  border:1px solid var(--line);
  background:#fff;
  font-size:14.5px;
  color:var(--ink);
  padding:10px 14px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
textarea.form-control{height:auto;min-height:104px;line-height:1.7}
.form-control:focus,
.form-select:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(18,117,107,.16);
  outline:none;
}
.form-select{
  appearance:none;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2312756B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 12px center;
  background-size:16px;
  padding-right:38px;
}
.form-check-input{
  width:18px;height:18px;
  border:1px solid var(--line);
  border-radius:5px;
  margin-top:3px;
  transition:background .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.form-check-input:checked{
  background-color:var(--brand);
  border-color:var(--brand);
}
.form-check-input:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(224,138,46,.35);
}
.form-check-label{font-size:13.5px;color:var(--text);line-height:1.7}
.form-note{font-size:13px;color:var(--muted);line-height:1.7}
.field-error{font-size:13px;color:var(--accent);margin-top:6px;display:none}
.has-error .form-control,
.has-error .form-select{border-color:var(--accent)}
.has-error .field-error{display:block}

/* ---------- Modal ---------- */
.modal-backdrop.show{background:rgba(8,47,43,.55);opacity:1}
.modal-content{
  border:0;
  border-radius:16px;
  box-shadow:var(--sh-3);
}
.modal-header{
  border-bottom:1px solid var(--line);
  padding:22px 26px 18px;
}
.modal-title{font-size:19px;font-weight:700}
.modal-body{padding:22px 26px 26px}
.modal-footer{border-top:1px solid var(--line);padding:16px 26px}
.btn-close{
  width:14px;height:14px;
  background:transparent url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234A5956' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M18 6 6 18M6 6l12 12'/%3E%3C/svg%3E") center/14px no-repeat;
  opacity:1;
  border-radius:6px;
}
.btn-close:hover{background-color:var(--brand-soft)}
.btn-close:focus{box-shadow:0 0 0 2px rgba(224,138,46,.45);outline:none}

/* ---------- Offcanvas ---------- */
.offcanvas{
  border:0;
  border-radius:16px 0 0 16px;
  background:#fff;
}
.offcanvas-header{border-bottom:1px solid var(--line);padding:20px 22px}
.offcanvas-title{font-size:17px;font-weight:700}
.offcanvas-body{padding:18px 22px 28px}
.mnav-link{
  display:block;
  padding:13px 16px;
  border-radius:12px;
  color:var(--ink);
  font-size:15px;
  font-weight:500;
  margin-bottom:6px;
  transition:background .22s var(--ease),color .22s var(--ease);
}
.mnav-link:hover{background:var(--brand-soft);color:var(--brand-dark)}
.mnav-link.active{background:var(--brand);color:#fff}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--brand-deep);
  color:rgba(255,255,255,.72);
  padding-top:64px;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:2.2fr 1fr 1fr 1.5fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand strong{
  display:block;
  color:#fff;
  font-size:19px;
  font-weight:700;
  margin-bottom:14px;
}
.footer-brand p{
  font-size:13.5px;
  line-height:1.8;
  color:rgba(255,255,255,.7);
  margin-bottom:18px;
  max-width:300px;
}
.footer-chips{display:flex;flex-wrap:wrap;gap:8px}
.footer-chips a{
  display:inline-block;
  padding:5px 12px;
  border-radius:var(--r-chip);
  background:rgba(255,255,255,.09);
  color:rgba(255,255,255,.82);
  font-size:12.5px;
  transition:background .22s var(--ease),color .22s var(--ease);
}
.footer-chips a:hover{background:var(--brand);color:#fff}
.footer-col h4{
  color:#fff;
  font-size:15px;
  font-weight:600;
  margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{
  color:rgba(255,255,255,.7);
  font-size:13.5px;
  transition:color .22s var(--ease);
}
.footer-col a:hover{color:#fff}
.footer-contact li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:13.5px;
  color:rgba(255,255,255,.7);
  line-height:1.7;
}
.footer-contact svg{
  width:16px;height:16px;
  flex:none;
  margin-top:5px;
  stroke:rgba(255,255,255,.62);
  fill:none;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.55)}
.footer-bottom a:hover{color:#fff}
.footer-meta{display:flex;gap:16px;flex-wrap:wrap}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .chip{font-size:13.5px;padding:8px 13px}
  .hero-grid{gap:36px}
  .split{gap:40px}
}

@media (max-width:991.98px){
  .section{padding:64px 0}
  .page-hero{padding:40px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .page-hero h1{font-size:32px}
  .section-head h2,.split h2{font-size:26px}
  .split{grid-template-columns:1fr;gap:32px}
  .grid-2{grid-template-columns:repeat(2,1fr);gap:20px}
  .data-band .container{grid-template-columns:repeat(2,1fr);gap:32px 0}
  .data-item{padding:6px 20px}
  .data-item:nth-child(odd){border-left:none;padding-left:0}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}

@media (max-width:767.98px){
  .section{padding:48px 0}
  .page-hero h1{font-size:28px;line-height:1.3}
  .hero-lead{font-size:15.5px}
  .section-head h2,.split h2{font-size:22px}
  .grid-2{grid-template-columns:1fr}
  .cta-inner .cta-actions{width:100%}
  .cta-inner .cta-actions .btn{width:100%;text-align:center}
  .accordion-body{max-width:100%;padding:4px 20px 22px 20px}
  .accordion-button{padding:18px 20px;font-size:15px}
  .data-band{padding:48px 0}
  .data-band .band-title{font-size:19px;margin-bottom:28px}
}

@media (max-width:575.98px){
  .container,
  .container-fluid,
  .container-lg,
  .container-md,
  .container-sm,
  .container-xl{padding-left:16px;padding-right:16px}
  body{font-size:15px}
  .header-inner{min-height:66px;gap:12px}
  .brand-text small{display:none}
  .brand-text strong{font-size:16px}
  .brand-mark{width:34px;height:34px;font-size:15px}
  .hero-actions .btn{width:100%;text-align:center}
  .data-band .container{grid-template-columns:1fr;gap:26px 0}
  .data-item{border-left:none;padding:0 0 0 14px;border-left:2px solid rgba(255,255,255,.14)}
  .data-item:first-child{border-left:2px solid rgba(255,255,255,.14);padding-left:14px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .breadcrumb-nav .crumb-home{display:none}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
  .sol-card:hover,.btn:hover{transform:none !important}
  .link-arrow:hover svg{transform:none !important}
}