/* roulang page: index */
:root{
  --mks-primary:#0E7C7B;
  --mks-primary-dark:#0A5F63;
  --mks-primary-deeper:#123F42;
  --mks-accent:#E9722B;
  --mks-accent-dark:#C95A1A;
  --mks-accent-soft:#FCE8DC;
  --mks-bg:#F4F9FA;
  --mks-bg-alt:#EAF3F3;
  --mks-card-bg:#FFFFFF;
  --mks-ink:#173A3A;
  --mks-text:#415F63;
  --mks-muted:#758E91;
  --mks-line:#E5EDEE;
  --mks-radius-xl:20px;
  --mks-radius-lg:16px;
  --mks-radius-md:12px;
  --mks-radius-sm:8px;
  --mks-shadow:0 14px 34px rgba(23,58,58,.08);
  --mks-shadow-sm:0 6px 18px rgba(14,124,123,.10);
  --mks-font-display:"Oswald","DIN Alternate","Bebas Neue","PingFang SC","Microsoft YaHei",sans-serif;
  --mks-font-body:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC","Hiragino Sans GB",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--mks-font-body);
  background:var(--mks-bg);
  color:var(--mks-text);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:var(--mks-primary);transition:color .2s ease}
a:hover{color:var(--mks-accent)}
button{font-family:inherit}
input,select,textarea{font-family:inherit}
ul,ol{list-style:none}
.container{max-width:1200px;padding-left:20px;padding-right:20px}

/* ===== Typography ===== */
.display-num,.section-title,.hero-title,.stat-num,.sec-eyebrow{font-family:var(--mks-font-display)}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--mks-primary);font-weight:600;letter-spacing:2px;
  font-size:.85rem;text-transform:uppercase;
  padding:6px 16px;background:rgba(14,124,123,.08);
  border-radius:999px;margin-bottom:16px;
}
.sec-eyebrow::before{content:"";width:7px;height:7px;background:var(--mks-accent);border-radius:50%}
.section-title{color:var(--mks-ink);font-weight:700;font-size:clamp(1.55rem,2.8vw,2.25rem);line-height:1.3;margin-bottom:6px}
.section-sub{color:var(--mks-text);max-width:720px;font-size:1rem}
.section{padding:92px 0}
.section-sm{padding:64px 0}
.section-head{margin-bottom:44px}
.section-alt{background:var(--mks-bg-alt)}
.section-white{background:#fff}

/* ===== Header & Nav ===== */
.site-header{position:sticky;top:0;z-index:1050;width:100%}
.header-top{
  background:var(--mks-primary-deeper);color:rgba(255,255,255,.86);
  font-size:.84rem;padding:6px 0;letter-spacing:.5px;
}
.header-top i{margin-right:5px;color:#8AD1CF}
.header-top .ht-right{display:flex;align-items:center;gap:16px;font-size:.8rem}
.header-top .ht-right i{color:var(--mks-accent)}
.mks-navbar{
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(229,237,238,.8);
  box-shadow:0 4px 20px rgba(23,58,58,.03);
  min-height:76px;
  padding-top:0;padding-bottom:0;
}
.mks-brand{display:flex;align-items:center;gap:10px;max-width:360px;padding:12px 0}
.brand-mark{
  width:42px;height:42px;border-radius:14px;
  background:linear-gradient(145deg,var(--mks-primary),var(--mks-primary-dark));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:1.4rem;flex-shrink:0;
  box-shadow:0 6px 16px rgba(14,124,123,.35);
}
.brand-mark i{line-height:1}
.brand-text{
  font-size:1rem;font-weight:700;color:var(--mks-ink);
  line-height:1.35;letter-spacing:.2px;
}
.mks-nav{margin-left:16px;gap:4px}
.mks-nav .nav-link{
  font-weight:500;color:var(--mks-ink);
  padding:.75rem .8rem;border-radius:10px;font-size:.95rem;
  border-bottom:3px solid transparent;margin:10px 2px 14px;
  transition:color .2s,border-color .2s,background .2s;
}
.mks-nav .nav-link:hover{color:var(--mks-primary);background:rgba(14,124,123,.05)}
.mks-nav .nav-link.active{color:var(--mks-primary);background:rgba(14,124,123,.08)}
.nav-actions{display:flex;align-items:center;gap:14px}
.mks-search{
  position:relative;display:flex;align-items:center;
}
.mks-search .bi-search{
  position:absolute;left:14px;color:var(--mks-muted);font-size:.9rem;
}
.mks-search input{
  width:190px;height:40px;border-radius:999px;
  border:1px solid #D9E6E8;background:#F7FAFA;
  font-size:.85rem;padding:0 14px 0 38px;outline:none;
  transition:border .2s,box-shadow .2s,width .2s;
}
.mks-search input:focus{
  border-color:var(--mks-primary);
  box-shadow:0 0 0 4px rgba(14,124,123,.12);background:#fff;width:220px;
}
.btn-mks{
  background:var(--mks-primary);color:#fff!important;font-weight:600;
  border:2px solid var(--mks-primary);
  padding:.5rem 1.2rem;border-radius:999px;font-size:.92rem;
  display:inline-flex;align-items:center;gap:6px;
  transition:transform .2s,box-shadow .2s,background .2s,border .2s;
  white-space:nowrap;
}
.btn-mks:hover{background:var(--mks-primary-dark);border-color:var(--mks-primary-dark);transform:translateY(-2px);box-shadow:0 8px 20px rgba(14,124,123,.3);color:#fff}
.mks-toggler{border:none;background:transparent;padding:6px;border-radius:8px;font-size:1.6rem;color:var(--mks-ink);box-shadow:none!important}
.mks-toggler:focus{box-shadow:0 0 0 3px rgba(14,124,123,.2)!important}
@media (max-width: 991.98px){
  .site-header{position:relative}
  .mks-navbar{min-height:64px}
  .brand-text{font-size:.92rem;line-height:1.3}
  .mks-nav{margin:8px 0 4px}
  .mks-nav .nav-link{border-bottom:none;border-left:3px solid transparent;margin:2px 0;border-radius:0}
  .nav-actions{display:flex;flex-direction:column;align-items:stretch;padding-bottom:18px;}
  .mks-search{width:100%;margin-bottom:10px}
  .mks-search input{width:100%}
  .mks-search input:focus{width:100%}
  .btn-mks{justify-content:center;width:100%}
  .header-top{display:none!important}
}

/* ===== Buttons ===== */
.btn{font-weight:600;border-radius:999px;padding:.6rem 1.4rem;font-size:.95rem;transition:all .25s}
.btn-accent{
  background:var(--mks-accent);color:#fff;
  border:2px solid var(--mks-accent);
  box-shadow:0 6px 16px rgba(233,114,43,.26);
  display:inline-flex;align-items:center;gap:8px;
}
.btn-accent:hover{background:var(--mks-accent-dark);border-color:var(--mks-accent-dark);transform:translateY(-2px);color:#fff;box-shadow:0 10px 22px rgba(233,114,43,.32)}
.btn-outline-mks{
  background:#fff;color:var(--mks-ink);
  border:2px solid var(--mks-primary);
  display:inline-flex;align-items:center;gap:8px;
}
.btn-outline-mks:hover{background:var(--mks-primary);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(14,124,123,.24)}
.btn-white{background:#fff;color:var(--mks-primary-deeper)!important;font-weight:700;border:2px solid #fff;box-shadow:0 10px 24px rgba(0,0,0,.12)}
.btn-white:hover{background:rgba(255,255,255,.9);color:var(--mks-primary-dark)!important;transform:translateY(-2px)}
.btn-light-line{background:rgba(255,255,255,.14);color:#fff!important;border:2px solid rgba(255,255,255,.65);backdrop-filter:blur(6px)}
.btn-light-line:hover{background:rgba(255,255,255,.24);border-color:#fff}

/* ===== Hero ===== */
.hero-main{
  position:relative;min-height:680px;display:flex;align-items:center;
  padding:70px 0 90px;overflow:hidden;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  isolation:isolate;
}
.hero-main::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(90deg,rgba(9,46,48,.82) 0%,rgba(10,70,72,.72) 38%,rgba(11,78,79,.38) 72%,rgba(9,46,48,.4) 100%);
}
.hero-main::after{
  content:"";position:absolute;right:-120px;bottom:-220px;z-index:0;
  width:540px;height:540px;border-radius:50%;
  background:radial-gradient(circle,rgba(233,114,43,.34),transparent 65%);
}
.hero-content{position:relative;z-index:2;color:#fff;max-width:620px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;color:#AEE0DD;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
  padding:6px 16px;border-radius:999px;font-size:.85rem;margin-bottom:22px;
  backdrop-filter:blur(6px);
}
.hero-title{
  color:#fff;font-size:clamp(2.15rem,4.2vw,3.35rem);
  font-weight:700;line-height:1.24;margin-bottom:20px;text-shadow:0 4px 20px rgba(0,0,0,.15);
}
.hero-title span{color:#FFB787}
.hero-lead{
  font-size:1.06rem;color:rgba(255,255,255,.88);
  margin-bottom:34px;letter-spacing:.3px;
}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-entry-card{
  position:absolute;right:3.5%;bottom:60px;z-index:3;
  background:rgba(255,255,255,.12);backdrop-filter:blur(16px);
  border:1px solid rgba(255,255,255,.25);border-radius:20px;
  color:#fff;padding:20px 26px;width:240px;
  box-shadow:0 20px 50px rgba(9,43,46,.25);
  display:flex;align-items:center;gap:14px;transition:background .2s;
}
.hero-entry-card i{
  font-size:2rem;color:#FFC9A7;
}
.hero-entry-card span{font-size:.85rem;color:rgba(255,255,255,.8);line-height:1.4}
.hero-entry-card strong{display:block;font-size:1rem;color:#fff;margin-bottom:2px}
.hero-stats{
  position:relative;z-index:2;margin-top:48px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:12px;
  max-width:640px;
}
.hstat{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.12);
  border-radius:16px;padding:14px 18px;backdrop-filter:blur(8px);
  transition:all .2s;
}
.hstat .num{font-family:var(--mks-font-display);font-size:1.8rem;font-weight:700;color:#fff}
.hstat .lbl{font-size:.82rem;color:rgba(255,255,255,.78)}
.hstat:hover{background:rgba(255,255,255,.18);transform:translateY(-4px)}
@media (max-width: 991px){
  .hero-main{min-height:600px;padding:70px 0 50px}
  .hero-entry-card{display:none}
}
@media (max-width: 767px){
  .hero-stats{grid-template-columns:1fr 1fr}
  .hero-btns .btn{width:100%}
}
@media (max-width: 520px){
  .hero-main{min-height:560px}
  .hero-stats{grid-template-columns:1fr 1fr;gap:8px}
  .hstat .num{font-size:1.3rem}
}

/* ===== Services Section ===== */
.service-feature-card{
  background:var(--mks-primary-deeper);border-radius:var(--mks-radius-xl);
  overflow:hidden;color:#fff;height:100%;display:flex;flex-direction:column;
  box-shadow:0 24px 48px rgba(18,63,66,.26);position:relative;
}
.service-feature-card::after{
  content:"";position:absolute;right:-70px;top:-60px;width:200px;height:200px;
  background:rgba(255,255,255,.05);border-radius:50%;
}
.svc-feature-img{position:relative;min-height:210px;overflow:hidden}
.svc-feature-img img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.svc-feature-img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 20%,rgba(18,63,66,.95) 100%)}
.svc-feature-body{padding:28px;position:relative}
.svc-feature-body i{font-size:1.6rem;color:#FCA97C;margin-bottom:12px;display:inline-block}
.svc-feature-body h3{font-size:1.24rem;font-weight:700;color:#fff;margin-bottom:10px}
.svc-feature-body p{color:rgba(255,255,255,.82);font-size:.95rem}
.svc-feature-body a{color:#FFC9A7;font-weight:600}
.svc-feature-body a:hover{color:#FFB787}
.service-card{
  background:#fff;border-radius:var(--mks-radius-lg);
  padding:24px 22px;box-shadow:var(--mks-shadow-sm);
  border-left:4px solid transparent;
  height:100%;transition:box-shadow .25s,transform .25s,border-color .25s;
}
.service-card:hover{transform:translateY(-4px);box-shadow:var(--mks-shadow);border-left-color:var(--mks-accent);background:#fff}
.svc-icon{
  width:46px;height:46px;border-radius:14px;margin-bottom:14px;
  display:flex;align-items:center;justify-content:center;font-size:1.3rem;
  background:var(--mks-accent-soft);color:var(--mks-accent);
}
.service-card h3{font-size:1.05rem;font-weight:700;color:var(--mks-ink);margin-bottom:8px}
.service-card p{font-size:.84rem;line-height:1.65;margin-bottom:8px}
.service-card a{font-size:.84rem;font-weight:600;color:var(--mks-primary)}
.service-card a i{font-size:.7rem}
@media (max-width: 991px){
  .svc-feature-card{min-height:340px}
}
@media (max-width: 767px){
  .svc-feature-card{min-height:250px;margin-bottom:18px}
}

/* ===== Advantage Section ===== */
.advantage-block{position:relative}
.adv-text{font-size:1rem;line-height:1.9;color:var(--mks-text)}
.data-card{
  background:#fff;border-radius:var(--mks-radius-lg);padding:22px 20px;
  border-bottom:3px solid var(--mks-primary);height:100%;
  box-shadow:0 8px 22px rgba(23,58,58,.06);transition:transform .25s;
}
.data-card:hover{transform:translateY(-4px)}
.data-card .num{font-family:var(--mks-font-display);font-size:2rem;font-weight:700;color:var(--mks-primary);line-height:1.2}
.data-card .num small{font-size:1rem;color:var(--mks-muted)}
.data-card .ttl{color:var(--mks-ink);font-size:.9rem;font-weight:600;margin-top:6px}
.data-card .desc{font-size:.72rem;color:var(--mks-muted)}
.adv-ico-card{
  display:flex;gap:16px;align-items:flex-start;
  background:#fff;border-radius:14px;padding:18px;box-shadow:var(--mks-shadow-sm);
}
.adv-ico-card .ic{width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.1rem;background:rgba(14,124,123,.1);color:var(--mks-primary);flex-shrink:0}
@media (max-width: 991px){
  .section-pad-adjust{padding-bottom:60px}
}

/* ===== Case Section ===== */
.case-card{
  background:#fff;border-radius:var(--mks-radius-xl);
  overflow:hidden;box-shadow:var(--mks-shadow);height:100%;
  transition:box-shadow .25s,transform .25s;
}
.case-card:hover{transform:translateY(-6px);box-shadow:0 18px 46px rgba(23,58,58,.12)}
.case-media{position:relative;min-height:250px;overflow:hidden}
.case-media img{width:100%;height:100%;position:absolute;inset:0;object-fit:cover;object-position:center}
.case-tag{
  position:absolute;left:16px;top:16px;color:var(--mks-ink);background:#fff;
  border-radius:999px;padding:4px 14px;font-size:.74rem;font-weight:600;
  box-shadow:0 8px 20px rgba(0,0,0,.14);
}
.case-body{padding:26px 28px}
.case-body h3{font-size:1.2rem;font-weight:700;color:var(--mks-ink);margin-bottom:10px}
.case-body p{color:var(--mks-text);font-size:.9rem}
.case-meta{display:flex;justify-content:space-between;align-items:center;margin-top:16px;font-size:.8rem;color:var(--mks-muted)}
.case-meta a{color:var(--mks-primary);font-weight:600}
.case-media-tall{background:var(--mks-primary-deeper);color:#fff;display:flex;flex-direction:column;justify-content:flex-end;padding:26px;min-height:320px}
.case-media-tall h3{color:#fff;font-size:1.5rem}
.case-media-tall p{color:rgba(255,255,255,.75)}
.case-media-tall a{color:#FFB787}
@media(max-width:991px){
  .case-card{margin-bottom:24px}
}

/* ===== Path Section ===== */
.path-step{
  position:relative;background:#fff;padding:28px 24px;border-radius:var(--mks-radius-lg);
  height:100%;box-shadow:0 8px 22px rgba(23,58,58,.07);transition:all .3s;
  border-top:4px solid var(--mks-primary);
}
.path-step:hover{border-top-color:var(--mks-accent);transform:translateY(-5px);box-shadow:var(--mks-shadow)}
.path-step .step-num{
  font-family:var(--mks-font-display);font-size:2.1rem;line-height:1;font-weight:700;
  color:var(--mks-bg-alt);-webkit-text-stroke:1px rgba(14,124,123,.3);
  display:block;margin-bottom:12px;
}
.path-step .step-icon{width:40px;height:40px;border-radius:12px;background:var(--mks-accent-soft);color:var(--mks-accent);display:flex;align-items:center;justify-content:center;font-size:1.1rem;margin-bottom:14px}
.path-step h3{font-size:1.05rem;color:var(--mks-ink);font-weight:700;margin-bottom:8px}
.path-step p{font-size:.85rem;margin-bottom:0;color:var(--mks-text)}
.cta-banner{
  border-radius:20px;background:var(--mks-primary-dark);color:#fff;
  padding:34px 40px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px;
  box-shadow:0 20px 48px rgba(14,124,123,.24);
  background-image:radial-gradient(circle at 85% 0%,rgba(255,255,255,.1) 0,transparent 32%),url('/assets/images/backpic/back-2.png');
  background-size:auto,cover;
  background-position:center;
  position:relative;overflow:hidden;
}
.cta-banner h3{font-size:1.36rem;margin-bottom:6px;color:#fff}
.cta-banner p{margin-bottom:0;color:rgba(255,255,255,.84);font-size:.95rem}
@media(max-width:767px){
  .path-step{margin-bottom:18px}
  .cta-banner .cta-banner-btn{width:100%}
  .cta-banner .cta-banner-btn .btn{width:100%}
}

/* ===== News / CMS List ===== */
.news-panel{
  border-radius:var(--mks-radius-xl);background:#fff;
  box-shadow:var(--mks-shadow);overflow:hidden;
}
.news-list-item{display:flex;flex-direction:column;padding:0}
.news-row{
  border-left:4px solid transparent;padding:22px 28px;
  border-bottom:1px solid var(--mks-line);
  transition:background .2s,border-left .2s,transform .2s;
}
.news-row:last-child{border-bottom:none}
.news-row:hover{background:#FAFCFC;border-left-color:var(--mks-accent);transform:translateX(4px)}
.news-link{display:block}
.news-link:hover .news-title-el{color:var(--mks-accent)}
.news-cat-tag{
  display:inline-block;background:var(--mks-accent-soft);color:var(--mks-accent);
  font-size:.72rem;font-weight:600;border-radius:999px;padding:3px 12px;margin-bottom:8px;
}
.news-title-el{
  color:var(--mks-ink);font-size:1.04rem;font-weight:700;
  line-height:1.4;transition:color .2s;margin-bottom:4px;
}
.news-snippet{
  color:var(--mks-muted);font-size:.86rem;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
  overflow:hidden;
}
.news-date{display:block;font-family:var(--mks-font-display);font-size:.78rem;color:var(--mks-muted);letter-spacing:1px;margin-bottom:4px}
.news-empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-height:180px;gap:10px;background:#FAFCFC;
  border:2px dashed var(--mks-line);border-radius:16px;margin:18px;
  color:var(--mks-muted);font-size:.92rem;
}
.news-empty i{font-size:2.2rem;opacity:.6}
.more-news{font-size:.9rem;font-weight:600;display:inline-flex;align-items:center;gap:4px}
@media(max-width:767px){
  .news-row{padding:16px 18px}
}

/* ===== FAQ ===== */
.faq-accordion .accordion-item{
  border:1px solid var(--mks-line);border-radius:14px!important;
  overflow:hidden;margin-bottom:12px;background:#fff;box-shadow:0 4px 14px rgba(23,58,58,.04);
}
.faq-accordion .accordion-button{
  background:#fff!important;box-shadow:none!important;
  color:var(--mks-ink);font-weight:600;font-size:.98rem;padding:22px 24px;
}
.faq-accordion .accordion-button:not(.collapsed){border-bottom:1px solid var(--mks-line);color:var(--mks-primary)}
.faq-accordion .accordion-button:focus{box-shadow:0 0 0 4px rgba(14,124,123,.12)!important}
.faq-accordion .accordion-button::after{
  background-image:none!important;content:"+";
  font-family:var(--mks-font-display);width:26px;height:26px;line-height:26px;
  text-align:center;border-radius:50%;background:var(--mks-accent-soft);
  color:var(--mks-accent);font-size:1.2rem;font-weight:700;
  display:flex;align-items:center;justify-content:center;transition:all .3s;
  flex-shrink:0;
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(135deg);background:var(--mks-accent);color:#fff}
.faq-accordion .accordion-body{background:#fff;color:var(--mks-text);font-size:.9rem;line-height:1.85;padding:20px 24px}
.faq-block-decor .accordion-item.active-faq{border-left:4px solid var(--mks-accent)}

/* ===== Contact / CTA ===== */
.contact-panel{
  background:#fff;border-radius:var(--mks-radius-xl);padding:30px;box-shadow:var(--mks-shadow);
}
.contact-panel h3{color:var(--mks-ink);font-weight:700;font-size:1.15rem;margin-bottom:6px}
.contact-info-card{
  background:var(--mks-primary-deeper);border-radius:var(--mks-radius-xl);
  color:#fff;padding:26px;height:100%;box-shadow:0 18px 40px rgba(18,63,66,.25);
  display:flex;flex-direction:column;gap:16px;
}
.contact-info-card h3{color:#fff;font-size:1.1rem;border-bottom:1px solid rgba(255,255,255,.1);padding-bottom:12px}
.ci-item{display:flex;gap:14px;align-items:flex-start}
.ci-item i{font-size:1.25rem;color:#FCA97C}
.ci-item strong{display:block;color:#fff;font-size:.95rem}
.ci-item span{color:rgba(255,255,255,.7);font-size:.9rem}
.ci-btn{background:var(--mks-accent);border-radius:12px;color:#fff!important;padding:12px;text-align:center;font-weight:700;display:block;transition:background .2s,transform .2s}
.ci-btn:hover{background:var(--mks-accent-dark);transform:translateY(-2px)}
.contact-form .form-control,.contact-form .form-select{
  height:46px;border:1px solid #D8E4E7;border-radius:10px;padding:.5rem .9rem;
  color:var(--mks-ink);font-size:.9rem;background:#fbfdfd;transition:border .2s,box-shadow .2s;
}
.contact-form textarea.form-control{height:auto;min-height:98px}
.contact-form .form-control:focus,.contact-form .form-select:focus{
  border-color:var(--mks-primary);box-shadow:0 0 0 4px rgba(14,124,123,.12);
  background:#fff;
}
.form-check-input{
  border:1.5px solid var(--mks-primary);width:1em;height:1em;
}
.form-check-input:checked{background-color:var(--mks-primary);border-color:var(--mks-primary)}
.form-check-input:focus{box-shadow:0 0 0 4px rgba(14,124,123,.12)}
.contact-form label{font-size:.87rem;font-weight:600;color:var(--mks-ink)}
.form-tip{font-size:.78rem;color:var(--mks-muted)}
@media (max-width: 991px){
  .contact-info-card{margin-top:18px}
}
@media(max-width:767px){
  .contact-panel{padding:22px}
}

/* ===== Footer ===== */
.site-footer{background:var(--mks-primary-deeper);color:#a8c1c3;padding-top:44px}
.footer-title{color:#fff;font-weight:700;font-size:1.02rem;margin-bottom:16px;position:relative;padding-bottom:10px}
.footer-title::after{content:"";position:absolute;bottom:0;left:0;width:28px;height:3px;background:var(--mks-accent);border-radius:4px}
.footer-link{display:block;color:#a8c1c3;font-size:.87rem;padding-bottom:6px;transition:all .2s}
.footer-link:hover{color:#fff;transform:translateX(3px)}
.footer-brand{display:flex;align-items:center;gap:8px;color:#fff;font-size:1rem;font-weight:700;margin-bottom:14px}
.footer-brand .fb-ic{width:36px;height:36px;border-radius:12px;background:var(--mks-primary);display:flex;align-items:center;justify-content:center;font-size:1.2rem;color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding:16px 0;font-size:.82rem;
  color:rgba(255,255,255,.45);
}
.footer-social a{
  width:38px;height:38px;border-radius:12px;background:rgba(255,255,255,.08);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:1rem;
  transition:all .2s;margin-right:8px;
}
.footer-social a:hover{background:var(--mks-accent);transform:translateY(-3px)}
@media(max-width:767px){
  .footer-title{margin-top:18px}
}

/* ===== Back Top ===== */
.back-top-btn{
  position:fixed;right:24px;bottom:28px;width:46px;height:46px;z-index:999;
  border-radius:14px;border:none;background:var(--mks-primary);color:#fff;font-size:1.2rem;
  box-shadow:0 10px 24px rgba(14,124,123,.35);display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(12px);transition:all .3s;
}
.back-top-btn.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top-btn:hover{background:var(--mks-accent)}
.btn-focus-ring:focus-visible,.btn:focus-visible{
  outline:3px solid rgba(14,124,123,.35);outline-offset:2px;
}

/* ===== login modal placeholder ===== */
.login-modal-root-stage{display:none}

/* utils */
.text-ink{color:var(--mks-ink)}
.icon-badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;border-radius:14px;font-size:1.35rem;
  background:rgba(14,124,123,.1);color:var(--mks-primary);
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root {
            --mks-primary: #0E7C7B;
            --mks-primary-dark: #0A5F63;
            --mks-accent: #E9722B;
            --mks-accent-soft: #FCE8DC;
            --mks-bg: #F4F9FA;
            --mks-bg-alt: #EAF3F3;
            --mks-card: #FFFFFF;
            --mks-ink: #173A3A;
            --mks-text: #415F63;
            --mks-line: #E5EDEE;
            --mks-font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", "Hiragino Sans GB", sans-serif;
            --mks-num: "DIN Alternate", "Bebas Neue", "Oswald", "Arial Narrow", sans-serif;
            --mks-radius-lg: 16px;
            --mks-radius: 12px;
            --mks-radius-sm: 8px;
            --mks-shadow: 0 12px 30px rgba(23, 58, 58, 0.08);
            --mks-shadow-hover: 0 20px 40px rgba(23, 58, 58, 0.14);
            --mks-shadow-btn: 0 4px 10px rgba(14, 124, 123, 0.18);
        }

        html {
            scroll-behavior: smooth;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        body {
            margin: 0;
            font-family: var(--mks-font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--mks-text);
            background: var(--mks-bg);
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            height: auto;
            display: inline-block;
        }

        a {
            color: var(--mks-primary);
            text-decoration: none;
            transition: color .25s ease, background-color .25s ease, border-color .25s ease;
        }

        a:hover {
            color: var(--mks-accent);
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--mks-font);
        }

        .container {
            max-width: 1260px;
        }

        :focus-visible {
            outline: 2px solid var(--mks-accent);
            outline-offset: 3px;
        }

        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--mks-line);
            position: relative;
            z-index: 1040;
        }

        .header-top {
            background: var(--mks-primary-dark);
            color: rgba(255, 255, 255, 0.88);
            font-size: 0.8rem;
            letter-spacing: .02em;
            padding: 5px 0;
        }

        .header-top a {
            color: rgba(255, 255, 255, 0.88);
        }

        .header-top a:hover {
            color: #fff;
        }

        .ht-right {
            display: inline-flex;
            gap: 18px;
        }

        .ht-right i,
        .header-top i {
            margin-right: 4px;
        }

        .mks-navbar {
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(14px);
            min-height: 76px;
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1030;
            box-shadow: 0 4px 16px rgba(23, 58, 58, 0.04);
        }

        .mks-brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            padding: 0;
            margin-right: 22px;
        }

        .brand-mark {
            width: 42px;
            height: 42px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: var(--mks-primary);
            color: #fff;
            font-size: 1.35rem;
            box-shadow: var(--mks-shadow-btn);
        }

        .brand-text {
            font-weight: 700;
            font-size: 1.12rem;
            color: var(--mks-ink);
            letter-spacing: .01em;
            white-space: nowrap;
        }

        .mks-nav {
            gap: 2px;
        }

        .mks-nav .nav-link {
            padding: 22px 14px;
            font-size: .95rem;
            font-weight: 500;
            color: var(--mks-text);
            position: relative;
            white-space: nowrap;
            transition: color .25s ease;
        }

        .mks-nav .nav-link::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 10px;
            height: 3px;
            background: var(--mks-accent);
            border-radius: 999px;
            opacity: 0;
            transform: scaleX(.4);
            transition: opacity .25s ease, transform .25s ease;
        }

        .mks-nav .nav-link:hover,
        .mks-nav .nav-link:focus {
            color: var(--mks-primary);
        }

        .mks-nav .nav-link.active,
        .mks-nav .nav-link[aria-current="page"] {
            color: var(--mks-primary);
            font-weight: 600;
        }

        .mks-nav .nav-link.active::after,
        .mks-nav .nav-link[aria-current="page"]::after {
            opacity: 1;
            transform: scaleX(1);
        }

        .nav-actions {
            align-items: center;
            gap: 14px;
        }

        .mks-search {
            display: flex;
            align-items: center;
            background: #F4F9FA;
            border: 1px solid transparent;
            border-radius: 999px;
            padding: 0 16px;
            height: 40px;
            width: 210px;
            gap: 8px;
            transition: border-color .25s ease, background-color .25s ease, box-shadow .25s ease;
        }

        .mks-search:focus-within {
            background: #fff;
            border-color: var(--mks-primary);
            box-shadow: 0 0 0 4px rgba(14, 124, 123, 0.12);
        }

        .mks-search i {
            color: var(--mks-primary);
            font-size: .9rem;
        }

        .mks-search input {
            border: 0;
            background: transparent;
            outline: none;
            width: 100%;
            font-size: .875rem;
            color: var(--mks-ink);
        }

        .mks-search input::placeholder {
            color: #8EA2A5;
        }

        .btn-mks {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 40px;
            padding: 0 20px;
            border-radius: 8px;
            font-size: .9rem;
            font-weight: 600;
            background: var(--mks-accent);
            color: #fff;
            border: 0;
            box-shadow: 0 4px 12px rgba(233, 114, 43, 0.22);
            transition: transform .25s ease, box-shadow .25s ease, background-color .25s ease;
            white-space: nowrap;
        }

        .btn-mks i {
            font-size: 1.1rem;
        }

        .btn-mks:hover,
        .btn-mks:focus {
            background: var(--mks-accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 22px rgba(233, 114, 43, 0.32);
        }

        .btn-outline-mks {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 40px;
            padding: 0 20px;
            border-radius: 8px;
            font-size: .9rem;
            font-weight: 600;
            background: #fff;
            color: var(--mks-primary);
            border: 1px solid rgba(14, 124, 123, 0.35);
            transition: all .25s ease;
        }

        .btn-outline-mks:hover {
            background: var(--mks-primary);
            color: #fff;
            border-color: var(--mks-primary);
            transform: translateY(-2px);
        }

        .mks-toggler {
            border: 0;
            color: var(--mks-primary);
            font-size: 1.5rem;
            width: 44px;
            height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
        }

        .mks-toggler:focus {
            box-shadow: 0 0 0 4px rgba(14, 124, 123, .12);
        }

        .article-page-main {
            padding: 34px 0 70px;
            background: var(--mks-bg);
        }

        .breadcrumb-shell {
            background: rgba(255, 255, 255, .76);
            border: 1px solid var(--mks-line);
            border-radius: 14px;
            padding: 13px 22px;
            margin-bottom: 28px;
        }

        .breadcrumb-shell .breadcrumb {
            margin: 0;
            font-size: .875rem;
        }

        .breadcrumb-shell .breadcrumb-item + .breadcrumb-item::before {
            color: #B4C5C7;
            content: "/";
        }

        .breadcrumb-shell .breadcrumb-item a {
            color: var(--mks-primary);
        }

        .breadcrumb-shell .breadcrumb-item a:hover {
            color: var(--mks-accent);
        }

        .breadcrumb-shell .breadcrumb-item.active {
            color: var(--mks-text);
            max-width: 460px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .article-card-shell {
            background: #fff;
            border-radius: 18px;
            border: 1px solid var(--mks-line);
            box-shadow: var(--mks-shadow);
            overflow: hidden;
            transition: box-shadow .3s ease;
        }

        .article-card-shell:hover {
            box-shadow: var(--mks-shadow-hover);
        }

        .article-header {
            padding: 38px 44px 28px;
            background: linear-gradient(180deg, rgba(234, 243, 243, 0.5) 0%, rgba(255, 255, 255, 0) 100%), #fff;
            border-bottom: 1px solid var(--mks-line);
        }

        .entry-badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            font-size: .78rem;
            font-weight: 600;
            color: var(--mks-primary);
            background: var(--mks-bg-alt);
            border-radius: 999px;
            letter-spacing: .04em;
            margin-bottom: 16px;
        }

        .article-title {
            font-size: clamp(1.7rem, 3vw, 2.4rem);
            line-height: 1.35;
            font-weight: 700;
            color: var(--mks-ink);
            margin: 0 0 18px;
            letter-spacing: -0.01em;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px 22px;
            font-size: .85rem;
            color: #6B8488;
            border-top: 1px dashed #E0EDEE;
            padding-top: 16px;
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .article-meta i {
            color: var(--mks-primary);
        }

        .article-body-wrap {
            padding: 20px 44px 10px;
        }

        .article-body {
            max-width: 760px;
            font-size: 1.02rem;
            line-height: 2;
            color: var(--mks-text);
            word-break: break-word;
        }

        .article-body h2,
        .article-body h3,
        .article-body h4 {
            color: var(--mks-ink);
            font-weight: 700;
            line-height: 1.55;
            margin: 1.8em 0 .8em;
            letter-spacing: -.02em;
        }

        .article-body h2 {
            font-size: 1.55rem;
            padding-left: 16px;
            border-left: 4px solid var(--mks-accent);
            border-radius: 2px;
        }

        .article-body h3 {
            font-size: 1.22rem;
            padding-bottom: 8px;
            border-bottom: 1px solid #E7F0F1;
        }

        .article-body p {
            margin: 0 0 1.5em;
        }

        .article-body ul,
        .article-body ol {
            margin: 0 0 1.6em;
            padding-left: 1.2em;
        }

        .article-body li {
            margin-bottom: .45em;
        }

        .article-body ul li::marker {
            color: var(--mks-accent);
        }

        .article-body ol li::marker {
            color: var(--mks-primary);
            font-weight: 600;
        }

        .article-body blockquote {
            border-left: 4px solid var(--mks-primary);
            background: var(--mks-bg-alt);
            border-radius: 0 12px 12px 0;
            margin: 1.6em 0;
            padding: 14px 22px;
            color: var(--mks-ink);
            font-style: normal;
        }

        .article-body blockquote p {
            margin: 0;
        }

        .article-body a {
            color: var(--mks-primary);
            text-decoration: underline;
            text-underline-offset: 3px;
            text-decoration-color: rgba(14, 124, 123, .35);
        }

        .article-body a:hover {
            color: var(--mks-accent);
            text-decoration-color: var(--mks-accent);
        }

        .article-body table {
            width: 100%;
            max-width: 100%;
            margin: 1.8em 0;
            font-size: .95rem;
            border-collapse: collapse;
        }

        .article-body th,
        .article-body td {
            border: 1px solid var(--mks-line);
            padding: 10px 14px;
            color: var(--mks-text);
        }

        .article-body th {
            background: var(--mks-bg-alt);
            color: var(--mks-ink);
            font-weight: 600;
        }

        .article-body img {
            border-radius: 14px;
            margin: 1.5em 0;
        }

        .article-body hr {
            border: 0;
            border-top: 1px solid var(--mks-line);
            margin: 2.2em 0;
        }

        .article-body code {
            color: var(--mks-primary-dark);
            background: var(--mks-bg-alt);
            border-radius: 6px;
            padding: 2px 8px;
            font-size: .9em;
        }

        .article-footer-links {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            padding: 14px 44px 16px;
            border-top: 1px solid var(--mks-line);
            font-size: .87rem;
        }

        .article-footer-links .prev-next {
            display: inline-flex;
            gap: 14px;
            color: #7A9599;
        }

        .article-footer-links .back-home-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--mks-primary);
            font-weight: 600;
        }

        .article-footer-links .back-home-link:hover {
            color: var(--mks-accent);
        }

        .article-notfound {
            background: #fff;
            border: 1px solid var(--mks-line);
            border-radius: 18px;
            box-shadow: var(--mks-shadow);
            padding: 70px 30px;
            text-align: center;
            max-width: 680px;
            margin: 60px auto;
            min-height: 330px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 16px;
        }

        .article-notfound .nf-icon {
            width: 78px;
            height: 78px;
            border-radius: 20px;
            background: var(--mks-bg-alt);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: var(--mks-primary);
        }

        .article-notfound h2 {
            font-size: 1.44rem;
            color: var(--mks-ink);
            margin: 0;
        }

        .article-notfound .btn-outline-mks {
            margin-top: 8px;
        }

        .aside-grid {
            display: flex;
            flex-direction: column;
            gap: 22px;
        }

        .sidebar-card {
            background: #fff;
            border: 1px solid var(--mks-line);
            border-radius: 16px;
            box-shadow: var(--mks-shadow);
            padding: 22px 22px 20px;
            position: relative;
            overflow: hidden;
        }

        .sidebar-card::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--mks-accent);
            border-radius: 0 4px 4px 0;
            opacity: .85;
        }

        .sidebar-card .sidebar-title {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--mks-ink);
            font-size: 1.02rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: .02em;
        }

        .sidebar-card .sidebar-title i {
            color: var(--mks-primary);
            font-size: 1.1rem;
        }

        .toc-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .toc-list a {
            display: block;
            padding: 8px 12px;
            font-size: .88rem;
            line-height: 1.7;
            color: var(--mks-text);
            border-radius: 8px;
            border-left: 2px solid transparent;
            transition: all .2s ease;
        }

        .toc-list a:hover,
        .toc-list a.is-active {
            background: var(--mks-bg-alt);
            color: var(--mks-primary);
            border-left-color: var(--mks-accent);
        }

        .toc-level-2 {
            font-weight: 600;
        }

        .toc-level-3 {
            padding-left: 24px;
        }

        .entry-short-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .entry-short-card {
            display: flex;
            align-items: center;
            gap: 12px;
            background: #fff;
            padding: 14px;
            border-radius: 14px;
            box-shadow: 0 2px 12px rgba(23, 58, 58, .04);
            transition: all .25s ease;
            cursor: pointer;
        }

        .entry-short-card:hover {
            box-shadow: var(--mks-shadow);
            transform: translateY(-3px);
        }

        .entry-thumb {
            width: 104px;
            height: 72px;
            border-radius: 12px;
            object-fit: cover;
            background: var(--mks-bg-alt);
            flex-shrink: 0;
        }

        .entry-short-body h4 {
            font-size: .96rem;
            color: var(--mks-ink);
            font-weight: 600;
            margin: 0 0 4px;
            line-height: 1.4;
        }

        .entry-short-body p {
            font-size: .8rem;
            color: #789093;
            margin: 0;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .entry-short-body p i {
            color: var(--mks-accent);
            font-size: .7rem;
        }

        .footer-service-links {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .footer-service-links a {
            padding: 5px 8px;
            color: var(--mks-text);
            font-size: .87rem;
            border-radius: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: all .2s ease;
        }

        .footer-service-links a:hover {
            background: var(--mks-bg-alt);
            color: var(--mks-primary);
        }

        .quick-contact-card {
            background: linear-gradient(145deg, var(--mks-primary-dark), var(--mks-primary));
            border-radius: 16px;
            padding: 22px;
            color: #fff;
            border: 0;
            box-shadow: 0 18px 36px rgba(10, 95, 99, 0.2);
            position: relative;
            overflow: hidden;
        }

        .quick-contact-card::after {
            content: "";
            position: absolute;
            width: 140px;
            height: 140px;
            right: -40px;
            top: -50px;
            border-radius: 50%;
            border: 18px solid rgba(255, 255, 255, .08);
        }

        .quick-contact-card h5 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .quick-contact-card p {
            font-size: .85rem;
            line-height: 1.8;
            opacity: .92;
            margin-bottom: 14px;
        }

        .quick-contact-card span {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: .9rem;
            margin: 5px 0;
            font-weight: 500;
        }

        .quick-contact-card span i {
            color: #FFC9A3;
        }

        .contact-cta-row {
            display: flex;
            gap: 10px;
            margin-top: 16px;
        }

        .contact-cta-row .btn-contact-light {
            background: #fff;
            border-radius: 8px;
            color: var(--mks-primary-dark);
            font-weight: 600;
            padding: 6px 16px;
            display: inline-flex !important;
            align-items: center;
            gap: 6px;
            border: 0;
            font-size: .84rem;
            box-shadow: none;
            transition: all .25s ease;
            width: auto !important;
            margin: 0 !important;
        }

        .mks-to-top {
            position: fixed;
            right: 22px;
            bottom: 26px;
            width: 46px;
            height: 46px;
            border-radius: 50%;
            border: 0;
            background: var(--mks-primary);
            color: #fff;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            visibility: hidden;
            transform: translateY(12px);
            transition: all .3s ease;
            z-index: 980;
            box-shadow: 0 10px 28px rgba(14, 124, 123, .3);
            cursor: pointer;
        }

        .mks-to-top.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .mks-to-top:hover {
            background: var(--mks-accent);
            color: #fff;
            transform: translateY(-4px);
        }

        .site-footer {
            background: var(--mks-primary-dark);
            color: rgba(255, 255, 255, .8);
            padding-top: 48px;
            border-top: 4px solid var(--mks-accent);
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 18px;
        }

        .fb-ic {
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: rgba(255, 255, 255, .12);
            font-size: 1.2rem;
        }

        .footer-brand span {
            color: #fff;
            font-weight: 700;
            font-size: 1.08rem;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .08);
            color: rgba(255, 255, 255, .85);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: .9rem;
            transition: all .25s ease;
        }

        .footer-social a:hover {
            background: var(--mks-accent);
            color: #fff;
            transform: translateY(-3px);
        }

        .footer-title {
            color: #fff;
            font-size: .98rem;
            font-weight: 600;
            margin: 12px 0 16px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0px;
            width: 28px;
            height: 2px;
            background: var(--mks-accent);
        }

        .footer-link {
            display: block;
            color: rgba(255, 255, 255, .72);
            padding-bottom: 10px;
            font-size: .88rem;
            transition: all .25s ease;
            line-height: 1.8;
        }

        .footer-link:hover {
            color: #fff;
            text-decoration: none;
            padding-left: 5px;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .12);
            margin-top: 36px;
            padding: 22px 0;
            font-size: .8rem;
            color: rgba(255, 255, 255, .5);
            text-align: center;
        }

        .site-footer a {
            color: rgba(255, 255, 255, .72);
        }

        .site-footer a:hover {
            color: #fff;
        }

        @media (max-width: 991.98px) {
            .mks-navbar {
                min-height: 64px;
            }

            .mks-nav {
                padding: 4px 0 12px;
            }

            .mks-nav .nav-link {
                padding: 12px 8px;
                border-bottom: 1px solid #EFF5F6;
            }

            .mks-nav .nav-link::after {
                left: 8px;
                bottom: 4px;
            }

            .nav-actions {
                padding: 8px 0 10px;
                border-top: 1px solid var(--mks-line);
                width: 100%;
                gap: 8px;
                align-items: stretch;
                flex-direction: column;
            }

            .mks-search {
                width: 100%;
                background: #fff;
                border: 1px solid var(--mks-line);
            }

            .nav-actions .btn-mks {
                justify-content: center;
            }

            .article-header {
                padding: 28px 22px 22px;
            }

            .article-body-wrap {
                padding: 18px 22px 6px;
            }

            .article-body,
            .article-body p {
                font-size: .98rem;
                line-height: 1.9;
            }

            .article-footer-links {
                padding: 14px 22px;
            }

            .sidebar-card .entry-thumb {
                width: 124px;
                height: 80px;
            }

            .article-page-main {
                padding: 22px 0 50px;
            }
        }

        @media (max-width: 767.98px) {
            .brand-text {
                font-size: 1rem;
            }

            .brand-mark {
                width: 36px;
                height: 36px;
                font-size: 1.1rem;
            }

            .breadcrumb-shell .breadcrumb-item.active {
                max-width: 220px;
            }

            .article-title {
                font-size: 1.45rem;
                word-break: break-word;
            }

            .article-header {
                padding: 24px 18px 18px;
            }

            .article-body-wrap {
                padding: 14px 18px 4px;
            }

            .article-footer-links {
                flex-direction: column;
                align-items: flex-start;
                padding: 14px 18px;
            }

            .article-category-block {
                margin-top: 12px;
            }

            .article-notfound {
                margin: 20px 0;
                padding: 50px 18px;
                min-height: 250px;
            }
        }

        @media (max-width: 575.98px) {
            .header-top {
                font-size: .72rem;
            }

            .content-with-sidebar .col-lg-4 {
                margin-top: 8px;
            }

            .btn-mks {
                width: 100%;
            }
        }

/* roulang page: category1 */
:root{
  --mks-primary:#0E7C7B;
  --mks-primary-dark:#0A5F63;
  --mks-primary-deep:#084A50;
  --mks-accent:#E9722B;
  --mks-accent-soft:#FCE8DC;
  --mks-bg:#F4F9FA;
  --mks-bg-alt:#EAF3F3;
  --mks-card-bg:#FFFFFF;
  --mks-ink:#173A3A;
  --mks-text:#415F63;
  --mks-light-line:#E5EDEE;
  --mks-radius:16px;
  --mks-radius-sm:8px;
  --mks-shadow:0 12px 30px rgba(23,58,58,0.08);
  --mks-shadow-hover:0 16px 36px rgba(23,58,58,0.13);
  --mks-font:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC","Hiragino Sans GB",sans-serif;
  --mks-display:"DIN Alternate","Bebas Neue","Oswald","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--mks-font);background:var(--mks-bg);color:var(--mks-text);line-height:1.75;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:var(--mks-primary);text-decoration:none;transition:color .2s}
a:hover{color:var(--mks-accent)}
img{max-width:100%}
h1,h2,h3,h4,h5,h6{color:var(--mks-ink);font-family:var(--mks-font)}
:focus-visible{outline:3px solid rgba(14,124,123,.35);outline-offset:2px;border-radius:4px}

/* ===== Header / Nav ===== */
.site-header{position:relative;z-index:1050}
.header-top{background:var(--mks-primary-deep);color:rgba(255,255,255,.92);font-size:.78rem;padding:.45rem 0;letter-spacing:.02em}
.ht-right{display:flex;gap:1.4rem}
.header-top i{color:var(--mks-accent);margin-right:.25rem}
.header-top .container span{display:inline-flex;align-items:center}
.mks-navbar{position:sticky;top:0;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--mks-light-line);padding:.62rem 0;box-shadow:0 4px 18px rgba(23,58,58,.04)}
.mks-brand{display:inline-flex;align-items:center;gap:.6rem;color:var(--mks-ink);font-size:1rem;font-weight:700;white-space:nowrap}
.mks-brand:hover{color:var(--mks-ink)}
.brand-mark{flex:0 0 38px;width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;background:var(--mks-primary);color:#fff;font-size:1.2rem;border-radius:11px;box-shadow:0 6px 14px rgba(14,124,123,.28)}
.mks-brand .brand-text{font-size:1.04rem;letter-spacing:.01em;white-space:nowrap}
.mks-nav{margin-left:1.8rem;gap:.15rem}
.mks-nav .nav-link{font-size:.93rem;font-weight:500;color:var(--mks-text);border-radius:999px;padding:.52rem 1.1rem;position:relative;white-space:nowrap}
.mks-nav .nav-link:hover{background:var(--mks-bg-alt);color:var(--mks-primary);transform:translateY(-1px)}
.mks-nav .nav-link.active{background:rgba(14,124,123,.1);color:var(--mks-primary);font-weight:600}
.mks-nav .nav-link.active::after{content:"";position:absolute;left:45%;right:45%;bottom:2px;height:3px;border-radius:99px;background:var(--mks-accent);transition:left .25s,right .25s}
.mks-nav .nav-link.active:hover::after{left:25%;right:25%}
.nav-actions{align-items:center;gap:.85rem;margin-left:.5rem}
.nav-actions .btn-mks{background:var(--mks-accent);border:none;color:#fff;font-weight:600;border-radius:99px;padding:.55rem 1.15rem;font-size:.9rem;box-shadow:0 4px 10px rgba(233,114,43,.22);transition:all .25s}
.nav-actions .btn-mks i{margin-right:.32rem}
.nav-actions .btn-mks:hover{background:#d85f1e;color:#fff;transform:translate(-2px,-2px);box-shadow:0 8px 18px rgba(233,114,43,.28)}
.mks-search{position:relative;display:flex;align-items:center;width:220px}
.mks-search > i{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--mks-text);opacity:.8}
.mks-search input{width:100%;height:40px;border:1px solid #d5e2e4;border-radius:99px;background:#fff;padding:0 15px 0 36px;font-size:.88rem;color:var(--mks-ink);transition:box-shadow .2s,border-color .2s}
.mks-search input:focus{outline:none;border-color:var(--mks-primary);box-shadow:0 0 0 4px rgba(14,124,123,.12)}
.mks-toggler{border:1px solid var(--mks-light-line);color:var(--mks-primary);border-radius:10px;width:46px;height:44px;display:inline-flex;align-items:center;justify-content:center;font-size:1.5rem;padding:0}
.mks-toggler:focus{box-shadow:0 0 0 4px rgba(14,124,123,.15)}

/* ===== Category Hero ===== */
.cat-hero{position:relative;display:flex;align-items:center;min-height:430px;padding:92px 0 78px;background:linear-gradient(108deg,rgba(7,49,53,.96) 0%,rgba(9,77,82,.88) 44%,rgba(233,114,43,.28) 100%),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;color:#fff}
.cat-hero .container{position:relative;z-index:3}
.crumb{display:inline-flex;align-items:center;gap:.36rem;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);color:#f1fbFA;padding:.3rem .8rem;border-radius:99px;font-size:.8rem;letter-spacing:.04em;margin-bottom:1.4rem}
.crumb a{color:rgba(255,255,255,.86)}
.crumb a:hover{color:#fff}
.cat-hero h1{font-size:clamp(2.2rem,4.4vw,3.25rem);font-weight:700;color:#fff;margin:0 0 1.1rem;letter-spacing:.015em}
.cat-hero .lead-copy{max-width:760px;font-size:1.06rem;line-height:1.85;color:rgba(255,255,255,.93);margin-bottom:1.5rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:.6rem}
.hero-actions .btn-hero-primary{background:var(--mks-accent);color:#fff;border:none;font-weight:600;padding:.7rem 1.7rem;border-radius:99px;font-size:.95rem;box-shadow:0 8px 20px rgba(233,114,43,.3);transition:all .25s}
.hero-actions .btn-hero-primary:hover{background:#d85f1e;color:#fff;transform:translate(-2px,-2px)}
.hero-actions .btn-hero-ghost{border:1px solid rgba(255,255,255,.45);color:#fff;font-weight:500;padding:.7rem 1.55rem;border-radius:99px;background:rgba(255,255,255,.06);transition:all .25s}
.hero-actions .btn-hero-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff}
.hero-stats{display:flex;flex-wrap:wrap;gap:2.4rem;margin-top:2.8rem;padding-top:1.4rem;border-top:1px solid rgba(255,255,255,.2)}
.hs-num{font-family:var(--mks-display);font-size:2.2rem;font-weight:800;line-height:1;color:#fff;letter-spacing:.02em}
.hs-txt{color:rgba(255,255,255,.82);font-size:.85rem;margin-top:.25rem}

/* ===== Tag Section ===== */
.tag-section{padding:28px 0;background:#fff;border-bottom:1px solid var(--mks-light-line)}
.tag-title{font-size:.86rem;font-weight:600;color:var(--mks-ink);margin-bottom:14px;display:flex;align-items:center;gap:.4rem}
.tag-title i{color:var(--mks-accent)}
.tag-pills{display:flex;flex-wrap:wrap;gap:.55rem}
.tag-pill{display:inline-flex;align-items:center;gap:.42rem;border:1px solid var(--mks-light-line);background:var(--mks-bg);color:var(--mks-text);font-size:.84rem;border-radius:999px;padding:.48rem .92rem;transition:all .2s}
.tag-pill i{font-size:.9rem;color:var(--mks-primary)}
.tag-pill:hover{background:var(--mks-primary);border-color:var(--mks-primary);color:#fff;transform:translateY(-2px);box-shadow:0 8px 16px rgba(14,124,123,.18)}
.tag-pill:hover i{color:#fff}

/* ===== Content split ===== */
.cat-content-section{padding:88px 0 76px;background:var(--mks-bg)}
.content-split h2,.module-head h2,.faq-wrap h2,.contact-panel h2{position:relative;line-height:1.32;font-weight:700;margin-bottom:.6rem}
.section-intro{font-size:1rem;margin-bottom:2rem;max-width:780px}
.eyebrow{color:var(--mks-primary);font-size:.84rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;display:inline-flex;align-items:center;gap:.4rem;margin-bottom:.5rem}
.eyebrow::before{content:"";display:inline-block;width:22px;height:2px;background:var(--mks-accent);border-radius:99px}
.role-list{list-style:none;margin:1.6rem 0 0;padding:0;display:grid;gap:.85rem}
.role-list li{background:#fff;border:1px solid var(--mks-light-line);border-left:4px solid var(--mks-primary);border-radius:12px;padding:.85rem 1.1rem;display:flex;gap:.75rem;align-items:flex-start;box-shadow:0 6px 18px rgba(23,58,58,.04)}
.role-list li i{color:var(--mks-accent);font-size:1.2rem;margin-top:.2rem}
.role-list strong{display:block;color:var(--mks-ink);font-size:.95rem}
.role-list span{font-size:.87rem;line-height:1.6}
.content-visual{position:relative}
.content-visual .main-img{border-radius:20px;box-shadow:var(--mks-shadow);width:100%;object-fit:cover;aspect-ratio:5/4}
.vcard{position:absolute;left:14px;bottom:14px;right:14px;background:rgba(255,255,255,.95);backdrop-filter:blur(6px);border-radius:14px;padding:1rem 1.2rem;box-shadow:var(--mks-shadow)}
.vcard h3{margin:0 0 .25rem;font-size:1.05rem;color:var(--mks-ink);font-weight:700}
.vcard p{margin:0;font-size:.82rem;line-height:1.6}

/* ===== Module Card Area ===== */
.cat-modules{padding:84px 0 78px;background:#fff;border-top:1px solid var(--mks-light-line)}
.cat-modules .section-intro{color:var(--mks-text)}
.module-card{background:var(--mks-bg);border:1px solid var(--mks-light-line);border-radius:18px;overflow:hidden;height:100%;display:flex;flex-direction:column;transition:box-shadow .3s,transform .3s}
.module-card:hover{box-shadow:var(--mks-shadow-hover);transform:translateY(-4px)}
.module-card .card-media{overflow:hidden;position:relative}
.module-card .card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(7,49,53,.38))}
.module-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s}
.module-card:hover img{transform:scale(1.04)}
.module-card .card-body-card{flex:1;display:flex;flex-direction:column;padding:1.4rem 1.4rem 1.55rem}
.module-card .mk-tag{align-self:flex-start;background:var(--mks-accent-soft);color:#c15a1d;font-size:.75rem;font-weight:600;padding:.24rem .7rem;border-radius:99px;margin-bottom:.7rem}
.module-card h3{font-size:1.3rem;font-weight:700;margin-bottom:.6rem}
.module-card p{font-size:.92rem;line-height:1.8;margin-bottom:1rem;flex:1}
.module-link{font-size:.9rem;font-weight:600;color:var(--mks-primary)}
.module-link i{transition:transform .2s}
.module-link:hover{color:var(--mks-accent)}
.module-link:hover i{transform:translateX(4px)}
.module-wide .module-card .card-media img{aspect-ratio:16/8}

/* ===== Security strip ===== */
.security-strip{padding:62px 0;background:var(--mks-primary-dark);color:rgba(255,255,255,.92)}
.security-strip .eyebrow{color:#9ad7d3}
.security-strip h2{color:#fff}
.security-strip .section-intro{color:rgba(255,255,255,.78)}
.sec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.6rem;margin-top:1.2rem}
.sec-item{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:1.4rem 1.35rem;transition:background .25s,transform .25s}
.sec-item:hover{background:rgba(255,255,255,.13);transform:translateY(-4px)}
.sec-item i{font-size:1.5rem;color:#ffb188}
.sec-item strong{display:block;color:#fff;font-size:1.01rem;margin:.7rem 0 .3rem}
.sec-item p{margin:0;font-size:.84rem;line-height:1.7;color:rgba(255,255,255,.78)}

/* ===== FAQ ===== */
.faq-area{padding:86px 0;background:var(--mks-bg-alt);border-top:1px solid var(--mks-light-line)}
.faq-wrap .accordion-item{border:1px solid var(--mks-light-line);background:#fff;border-radius:14px!important;overflow:hidden;margin-bottom:14px;box-shadow:0 6px 16px rgba(23,58,58,.04)}
.faq-wrap .accordion-header .accordion-button{background:#fff;color:var(--mks-ink);font-weight:600;font-size:1rem;padding:1.1rem 1.35rem;border:none;box-shadow:none}
.faq-wrap .accordion-button:not(.collapsed){color:var(--mks-primary);background:#fff;box-shadow:0 1px 0 var(--mks-light-line) inset}
.faq-wrap .accordion-button:focus{box-shadow:0 0 0 4px rgba(14,124,123,.12);border-radius:14px}
.faq-wrap .accordion-button::after{background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230E7C7B'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");width:1.1rem;height:1.1rem;transition:transform .25s}
.faq-wrap .accordion-button:not(.collapsed)::after{filter:none}
.faq-wrap .accordion-body{padding:0 1.35rem 1.3rem;color:var(--mks-text);font-size:.92rem;line-height:1.8}
.faq-side{padding:1.2rem 1.5rem;background:var(--mks-primary);border-radius:16px;color:#fff;height:100%}
.faq-side h3{color:#fff;font-size:1.25rem}
.faq-side p{font-size:.9rem;line-height:1.8;color:rgba(255,255,255,.88)}
.faq-side a{background:#fff;color:var(--mks-primary);border-radius:99px;padding:.55rem 1.2rem;font-weight:600;display:inline-block;font-size:.9rem;margin-top:.4rem;transition:all .2s}
.faq-side a:hover{background:var(--mks-accent);color:#fff}

/* ===== Contact / CTA ===== */
.contact-section{padding:92px 0 84px;background:var(--mks-bg)}
.contact-panel{background:#fff;border:1px solid var(--mks-light-line);border-radius:22px;box-shadow:var(--mks-shadow);overflow:hidden}
.contact-form-side{padding:2.5rem 2rem 2rem}
.contact-form-side h2{font-size:1.7rem}
.contact-form-side .form-label{font-size:.86rem;font-weight:600;color:var(--mks-ink);margin-bottom:.3rem}
.contact-form-side .form-control,.contact-form-side .form-select{height:46px;border-radius:9px;border:1px solid #d5e2e4;padding:.55rem .95rem;color:var(--mks-ink);background:#fff;transition:border-color .2s,box-shadow .2s}
.contact-form-side textarea.form-control{min-height:120px}
.contact-form-side .form-control:focus,.contact-form-side .form-select:focus{border-color:var(--mks-primary);box-shadow:0 0 0 4px rgba(14,124,123,.12);outline:none}
.form-check-input{border-color:#cddde0}
.form-check-input:checked{background-color:var(--mks-primary);border-color:var(--mks-primary)}
.form-check-input:focus{box-shadow:0 0 0 4px rgba(14,124,123,.14);border-color:var(--mks-primary)}
.contact-submit{background:var(--mks-accent);color:#fff;border:none;border-radius:99px;padding:.75rem 1.7rem;font-weight:600;box-shadow:0 5px 14px rgba(233,114,43,.28);transition:all .25s}
.contact-submit:hover{background:#d85f1e;color:#fff;transform:translate(-2px,-2px);box-shadow:0 9px 20px rgba(233,114,43,.32)}
.contact-info-side{background:linear-gradient(150deg,var(--mks-primary-dark),var(--mks-primary-deep));color:#fff;padding:2.5rem 2.1rem;display:flex;flex-direction:column;justify-content:center}
.contact-info-side h3{color:#fff;font-size:1.3rem;margin-bottom:.7rem}
.contact-info-side .desc{font-size:.88rem;color:rgba(255,255,255,.8);margin-bottom:1.6rem}
.contact-info-side ul{list-style:none;margin:0;padding:0;display:grid;gap:1rem}
.contact-info-side li{display:flex;gap:.8rem;align-items:flex-start}
.contact-info-side li i{font-size:1.25rem;color:var(--mks-accent);background:rgba(255,255,255,.1);width:38px;height:38px;display:inline-flex;justify-content:center;align-items:center;border-radius:10px}
.contact-info-side li strong{display:block;font-weight:600;font-size:.95rem;color:#fff}
.contact-info-side li span{font-size:.84rem;color:rgba(255,255,255,.78);line-height:1.6}

/* ===== Footer ===== */
.site-footer{background:var(--mks-primary-dark);color:rgba(255,255,255,.83);padding:72px 0 0;font-size:.9rem}
.site-footer .row{row-gap:2rem}
.footer-brand{display:flex;align-items:center;gap:.6rem;color:#fff;font-size:1.1rem;font-weight:700;margin-bottom:1rem}
.fb-ic{width:40px;height:40px;background:var(--mks-accent);color:#fff;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;font-size:1.3rem}
.footer-title{color:#fff;font-weight:600;font-size:1rem;margin-bottom:.9rem}
.footer-link{display:block;color:rgba(255,255,255,.78);font-size:.86rem;line-height:2;text-decoration:none;transition:color .2s,margin-left .2s}
.footer-link:hover{color:var(--mks-accent);margin-left:3px}
.footer-social a{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.1);color:#fff;font-size:1rem;margin-right:.55rem;transition:all .22s}
.footer-social a:hover{background:var(--mks-accent);transform:translateY(-3px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.13);margin-top:2.6rem;padding:1.25rem 0 1.2rem}
.footer-bottom .container{font-size:.8rem;color:rgba(255,255,255,.55)}

/* ===== Back top ===== */
.back-top{position:fixed;right:22px;bottom:24px;z-index:999;width:46px;height:46px;display:flex;align-items:center;justify-content:center;background:var(--mks-primary);color:#fff;border-radius:50%;border:none;box-shadow:0 8px 20px rgba(14,124,123,.35);opacity:0;visibility:hidden;transform:translateY(10px);transition:all .3s}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{background:var(--mks-accent);color:#fff}

/* ===== Responsive ===== */
@media (max-width:1199.98px){
  .mks-nav{margin-left:.6rem}
  .mks-nav .nav-link{font-size:.88rem;padding:.5rem .85rem}
  .mks-search{width:180px}
}
@media (max-width:991.98px){
  .mks-brand .brand-text{white-space:normal;line-height:1.2;font-size:.96rem;max-width:210px}
  .mks-nav{flex-direction:column;align-items:flex-start;margin:1.1rem 0 0;width:100%;gap:.25rem}
  .mks-nav .nav-link{white-space:normal;width:100%;border-radius:10px}
  .mks-nav .nav-link.active::after{display:none}
  .nav-actions{flex-direction:column;align-items:stretch;width:100%;margin:.8rem 0 0;gap:.7rem}
  .mks-search{width:100%}
  .mks-search input{height:44px}
  .nav-actions .btn-mks{justify-content:center;display:flex;align-items:center;padding:.7rem 1.2rem}
  .cat-hero{min-height:500px}
  .cat-hero .lead-copy{font-size:1rem}
  .sec-grid{grid-template-columns:repeat(2,1fr)}
  .contact-panel .contact-info-side{padding:2rem}
  .contact-form-side{padding:2rem}
  .footer-bottom .d-flex{gap:.6rem}
}
@media (max-width:767.98px){
  .site-header .header-top{padding:.45rem 0}
  .mks-navbar{padding:.45rem 0}
  .brand-mark{width:34px;height:34px;font-size:1.05rem}
  .brand-text{font-size:.92rem}
  .cat-hero{min-height:480px;padding:66px 0 56px}
  .cat-hero h1{font-size:1.8rem}
  .hero-stats{gap:1.3rem;margin-top:1.8rem}
  .hs-num{font-size:1.65rem}
  .hero-stats .hs-item{max-width:120px}
  .cat-content-section{padding:60px 0 54px}
  .cat-modules{padding:60px 0 54px}
  .security-strip{padding:48px 0}
  .sec-grid{grid-template-columns:1fr 1fr;gap:.8rem}
  .sec-item{padding:1.1rem}
  .faq-area{padding:60px 0 56px}
  .contact-section{padding:60px 0 56px}
  .role-list li{flex-direction:column}
  .vcard{padding:.9rem 1rem}
  .module-wide .module-card .card-media img{aspect-ratio:16/9}
}
@media (max-width:575.98px){
  body{font-size:15px}
  .header-top .ht-right{font-size:.75rem}
  .mks-navbar .navbar-brand{gap:.45rem;max-width:100%}
  .brand-mark{flex:0 0 32px;width:32px;height:32px}
  .mks-brand .brand-text{font-size:.82rem;max-width:170px}
  .cat-hero h1{font-size:1.6rem}
  .hero-actions .btn-hero-primary,.hero-actions .btn-hero-ghost{width:100%;justify-content:center;text-align:center}
  .cat-content-section .row{row-gap:2rem}
  .contact-form-side,.contact-info-side{padding:1.4rem}
  .sec-grid{grid-template-columns:1fr}
  .hero-stats{gap:1rem;flex-direction:column}
  .hero-stats .hs-item{display:flex;align-items:center;gap:.7rem;max-width:100%}
  .hs-num{font-size:1.6rem}
  .hs-txt{margin-top:0}
}

/* roulang page: category3 */
:root {
            --mks-primary: #0E7C7B;
            --mks-primary-dark: #0A5F63;
            --mks-accent: #E9722B;
            --mks-accent-soft: #FCE8DC;
            --mks-bg: #F4F9FA;
            --mks-bg-alt: #EAF3F3;
            --mks-card-bg: #FFFFFF;
            --mks-ink: #173A3A;
            --mks-text: #415F63;
            --mks-light-line: #E5EDEE;
            --mks-radius-lg: 16px;
            --mks-radius-md: 10px;
            --mks-radius-sm: 8px;
            --mks-shadow: 0 12px 30px rgba(23, 58, 58, 0.08);
            --mks-shadow-hover: 0 18px 40px rgba(23, 58, 58, 0.14);
            --mks-shadow-btn: 0 4px 10px rgba(14, 124, 123, 0.18);
            --mks-transition: all 0.25s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", "Hiragino Sans GB", sans-serif;
            font-size: 16px;
            line-height: 1.7;
            background-color: var(--mks-bg);
            color: var(--mks-text);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        a {
            color: var(--mks-primary);
            text-decoration: none;
            transition: var(--mks-transition);
        }
        a:hover {
            color: var(--mks-accent);
        }
        ul,
        ol {
            padding-left: 1.2rem;
        }
        .container {
            max-width: 1280px;
        }
        .section {
            padding: 76px 0;
        }
        .section-alt {
            background-color: var(--mks-bg-alt);
        }
        .section-ink {
            background-color: var(--mks-primary-dark);
            color: #fff;
        }
        .section-title {
            font-size: clamp(1.6rem, 2.8vw, 2.15rem);
            font-weight: 700;
            color: var(--mks-ink);
            letter-spacing: -0.02em;
            margin-bottom: 0.5rem;
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--mks-text);
            max-width: 640px;
        }
        .section-head {
            margin-bottom: 44px;
        }
        .section-head.text-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        .text-accent {
            color: var(--mks-accent);
        }
        .text-ink {
            color: var(--mks-ink);
        }
        .btn {
            font-weight: 600;
            border-radius: var(--mks-radius-sm);
            padding: 0.6rem 1.5rem;
            font-size: 0.95rem;
            transition: var(--mks-transition);
            border: 2px solid transparent;
        }
        .btn-mks {
            background-color: var(--mks-primary);
            color: #fff;
            border-color: var(--mks-primary);
            box-shadow: var(--mks-shadow-btn);
        }
        .btn-mks:hover {
            background-color: var(--mks-primary-dark);
            border-color: var(--mks-accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(10, 95, 99, 0.25);
        }
        .btn-accent {
            background-color: var(--mks-accent);
            color: #fff;
            border-color: var(--mks-accent);
            box-shadow: 0 4px 12px rgba(233, 114, 43, 0.22);
        }
        .btn-accent:hover {
            background-color: #d55c1e;
            border-color: #d55c1e;
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline-mks {
            background-color: transparent;
            color: var(--mks-primary);
            border-color: var(--mks-primary);
        }
        .btn-outline-mks:hover {
            background-color: var(--mks-primary);
            color: #fff;
            border-color: var(--mks-primary);
        }
        .btn-outline-light {
            background-color: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.7);
        }
        .btn-outline-light:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: #fff;
            border-color: #fff;
        }
        .btn-focus-ring:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(233, 114, 43, 0.35);
        }
        .badge {
            font-weight: 600;
            padding: 0.42em 0.9em;
            border-radius: 999px;
            font-size: 0.8rem;
        }
        .badge-soft-accent {
            background-color: var(--mks-accent-soft);
            color: var(--mks-accent);
        }
        .badge-soft-primary {
            background-color: rgba(14, 124, 123, 0.1);
            color: var(--mks-primary);
        }
        .card-mks {
            background-color: var(--mks-card-bg);
            border: none;
            border-radius: var(--mks-radius-lg);
            box-shadow: var(--mks-shadow);
            transition: var(--mks-transition);
            overflow: hidden;
            height: 100%;
            position: relative;
        }
        .card-mks:hover {
            box-shadow: var(--mks-shadow-hover);
            transform: translateY(-6px);
        }
        .card-mks:hover::before {
            transform: scaleY(1);
        }
        .card-mks::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background-color: var(--mks-accent);
            transform: scaleY(0);
            transform-origin: top;
            transition: transform 0.28s ease;
            z-index: 2;
            border-radius: 0 4px 4px 0;
        }
        .card-body-pad {
            padding: 28px;
        }
        .icon-box {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 54px;
            height: 54px;
            border-radius: 14px;
            background-color: rgba(14, 124, 123, 0.1);
            color: var(--mks-primary);
            font-size: 1.4rem;
            margin-bottom: 16px;
            transition: var(--mks-transition);
        }
        .card-mks:hover .icon-box {
            background-color: var(--mks-primary);
            color: #fff;
        }
        .list-item-hover {
            border-radius: 12px;
            transition: var(--mks-transition);
            padding: 8px 12px;
            margin: 0 -8px;
        }
        .list-item-hover:hover {
            background-color: rgba(14, 124, 123, 0.06);
        }
        .form-control,
        .form-select {
            border-radius: var(--mks-radius-sm);
            border: 1px solid #D5E2E4;
            min-height: 44px;
            padding: 0.5rem 0.9rem;
            background-color: #fff;
            transition: var(--mks-transition);
        }
        .form-control:focus,
        .form-select:focus {
            border-color: var(--mks-primary);
            box-shadow: 0 0 0 4px rgba(14, 124, 123, 0.12);
            outline: none;
        }
        .form-check-input:focus {
            border-color: var(--mks-primary);
            box-shadow: 0 0 0 4px rgba(14, 124, 123, 0.12);
            outline: none;
        }
        .form-check-input:checked {
            background-color: var(--mks-primary);
            border-color: var(--mks-primary);
        }
        .accordion {
            --bs-accordion-border-color: var(--mks-light-line);
            --bs-accordion-border-radius: var(--mks-radius-lg);
            --bs-accordion-inner-border-radius: var(--mks-radius-lg);
        }
        .accordion-item {
            border: 1px solid var(--mks-light-line);
            border-radius: var(--mks-radius-lg) !important;
            background-color: #fff;
            box-shadow: 0 4px 16px rgba(23, 58, 58, 0.04);
            margin-bottom: 14px;
            overflow: hidden;
        }
        .accordion-button {
            background-color: #fff;
            color: var(--mks-ink);
            font-weight: 600;
            font-size: 1rem;
            padding: 1.1rem 1.4rem;
            border-radius: var(--mks-radius-lg) !important;
            transition: var(--mks-transition);
        }
        .accordion-button:not(.collapsed) {
            background-color: rgba(14, 124, 123, 0.04);
            color: var(--mks-ink);
            box-shadow: inset 0 -1px 0 rgba(14, 124, 123, 0.1);
            position: relative;
        }
        .accordion-button:not(.collapsed)::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            width: 4px;
            height: 100%;
            background-color: var(--mks-accent);
        }
        .accordion-button:focus {
            box-shadow: 0 0 0 4px rgba(14, 124, 123, 0.1);
            border-color: var(--mks-primary);
        }
        .accordion-button::after {
            background-image: none;
            content: "\F4FE";
            font-family: "bootstrap-icons";
            font-size: 1rem;
            color: var(--mks-primary);
            font-weight: 400;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            transition: transform 0.25s ease;
        }
        .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            background-image: none;
            color: var(--mks-primary);
            content: "\F2EA";
        }
        .accordion-body {
            color: var(--mks-text);
            font-size: 0.95rem;
            padding: 0.4rem 1.4rem 1.3rem;
            line-height: 1.8;
            background-color: #fff;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background-color: #fff;
            box-shadow: 0 4px 24px rgba(23, 58, 58, 0.06);
        }
        .header-top {
            background-color: var(--mks-primary-dark);
            color: rgba(255, 255, 255, 0.86);
            font-size: 0.85rem;
            line-height: 1.4;
        }
        .header-top .ht-right {
            display: flex;
            gap: 18px;
        }
        .header-top i {
            margin-right: 5px;
            color: rgba(255, 255, 255, 0.7);
        }
        .mks-navbar {
            padding-top: 12px;
            padding-bottom: 12px;
        }
        .mks-brand {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .brand-mark {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--mks-primary) 0%, var(--mks-primary-dark) 100%);
            color: #fff;
            font-size: 1.15rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(14, 124, 123, 0.3);
        }
        .brand-text {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--mks-ink);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .mks-nav .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--mks-ink);
            padding: 0.5rem 0.9rem;
            margin: 0 0.15rem;
            border-radius: 8px;
            position: relative;
            transition: var(--mks-transition);
        }
        .mks-nav .nav-link:hover {
            color: var(--mks-primary);
            background-color: rgba(14, 124, 123, 0.06);
        }
        .mks-nav .nav-link.active {
            color: var(--mks-primary);
            background-color: rgba(14, 124, 123, 0.1);
            font-weight: 600;
        }
        .mks-nav .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 22px;
            height: 3px;
            border-radius: 4px;
            background-color: var(--mks-accent);
        }
        .nav-actions {
            align-items: center;
        }
        .mks-search {
            display: flex;
            align-items: center;
            background-color: var(--mks-bg);
            border-radius: 999px;
            border: 1px solid var(--mks-light-line);
            padding: 0 14px;
            height: 42px;
            width: 220px;
            margin-right: 10px;
            transition: var(--mks-transition);
        }
        .mks-search i {
            color: var(--mks-text);
            font-size: 0.9rem;
            margin-right: 8px;
        }
        .mks-search input {
            background: transparent;
            border: none;
            outline: none;
            width: 100%;
            font-size: 0.88rem;
            color: var(--mks-ink);
        }
        .mks-search:focus-within {
            border-color: var(--mks-primary);
            box-shadow: 0 0 0 4px rgba(14, 124, 123, 0.1);
        }
        .mks-toggler {
            border: none;
            background: transparent;
            padding: 6px 8px;
            font-size: 1.6rem;
            color: var(--mks-ink);
            border-radius: 8px;
        }
        .mks-toggler:focus {
            box-shadow: 0 0 0 4px rgba(14, 124, 123, 0.15);
        }
        .category-hero {
            position: relative;
            padding: 90px 0 72px;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            color: #fff;
            overflow: hidden;
        }
        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(115deg, rgba(10, 55, 55, 0.9) 12%, rgba(14, 88, 88, 0.72) 58%, rgba(233, 114, 43, 0.3) 140%);
            z-index: 1;
        }
        .category-hero .hero-inner {
            position: relative;
            z-index: 2;
        }
        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: rgba(255, 255, 255, 0.16);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.24);
            color: #fff;
            border-radius: 999px;
            padding: 6px 17px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 22px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.16);
        }
        .category-hero .hero-badge i {
            color: #f9b486;
        }
        .category-hero h1 {
            font-size: clamp(2.1rem, 4.4vw, 3.2rem);
            font-weight: 700;
            margin-bottom: 18px;
            letter-spacing: -0.02em;
            color: #fff;
            text-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
        }
        .category-hero .hero-desc {
            font-size: 1.05rem;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.92);
            max-width: 660px;
            margin-bottom: 28px;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
        }
        .category-hero .hero-stats {
            display: flex;
            gap: 28px;
            margin-top: 36px;
            flex-wrap: wrap;
        }
        .category-hero .hero-stats .stat-item {
            background-color: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 12px;
            padding: 12px 22px;
            text-align: center;
        }
        .category-hero .hero-stats .stat-num {
            font-size: 1.7rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            font-family: "DIN Alternate", "Bebas Neue", "Oswald", "PingFang SC", sans-serif;
            letter-spacing: 0.03em;
        }
        .category-hero .hero-stats .stat-label {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.8);
            margin-top: 2px;
        }
        .sub-tag-row {
            background-color: #fff;
            border-bottom: 1px solid var(--mks-light-line);
            padding: 15px 0;
            position: relative;
            z-index: 5;
        }
        .sub-tag-row .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: var(--mks-bg);
            color: var(--mks-text);
            border-radius: 999px;
            padding: 7px 18px;
            font-size: 0.85rem;
            font-weight: 500;
            border: 1px solid transparent;
            white-space: nowrap;
            transition: var(--mks-transition);
            text-decoration: none;
            margin: 4px 6px 4px 0;
        }
        .sub-tag-row .tag-item:hover {
            background-color: rgba(14, 124, 123, 0.12);
            color: var(--mks-primary);
            border-color: rgba(14, 124, 123, 0.3);
        }
        .sub-tag-row .tag-item i {
            font-size: 0.8rem;
            color: var(--mks-primary);
        }
        .coop-text-block p {
            font-size: 0.96rem;
            line-height: 1.85;
            color: var(--mks-text);
            margin-bottom: 1.1rem;
        }
        .coop-text-block h3 {
            font-size: 1.14rem;
            font-weight: 600;
            color: var(--mks-ink);
            margin: 1.6rem 0 0.7rem;
        }
        .coop-img-wrap {
            position: relative;
            border-radius: var(--mks-radius-lg);
            overflow: hidden;
            box-shadow: var(--mks-shadow);
            height: 100%;
            min-height: 300px;
            background-color: var(--mks-bg-alt);
        }
        .coop-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .coop-img-wrap .img-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(to top, rgba(10, 60, 60, 0.8), transparent);
            padding: 30px 20px 14px;
            font-size: 0.82rem;
            color: #fff;
        }
        .coop-mode-card .mode-num {
            display: inline-block;
            font-family: "DIN Alternate", "Oswald", sans-serif;
            font-size: 1rem;
            font-weight: 700;
            color: var(--mks-accent);
            background-color: var(--mks-accent-soft);
            padding: 2px 10px;
            border-radius: 6px;
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }
        .coop-mode-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--mks-ink);
            margin-bottom: 10px;
        }
        .coop-mode-card p {
            font-size: 0.92rem;
            line-height: 1.75;
            color: var(--mks-text);
            margin-bottom: 14px;
        }
        .coop-mode-card .mode-points {
            list-style: none;
            padding-left: 0;
            margin-bottom: 0;
        }
        .coop-mode-card .mode-points li {
            display: flex;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--mks-text);
            padding: 3px 0;
        }
        .coop-mode-card .mode-points li i {
            color: var(--mks-primary);
            font-size: 0.8rem;
            margin-top: 4px;
        }
        .cta-banner {
            background-color: var(--mks-primary-dark);
            border-radius: var(--mks-radius-lg);
            padding: 50px 56px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::after {
            content: "";
            position: absolute;
            top: -50px;
            right: -40px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            box-shadow: 0 0 0 28px rgba(255, 255, 255, 0.02), 0 0 0 56px rgba(255, 255, 255, 0.015);
        }
        .cta-banner::before {
            content: "";
            position: absolute;
            bottom: -70px;
            left: 20%;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: var(--mks-accent);
            opacity: 0.13;
            filter: blur(20px);
        }
        .cta-banner h2 {
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
            position: relative;
            z-index: 2;
        }
        .cta-banner p {
            position: relative;
            z-index: 2;
            color: rgba(255, 255, 255, 0.85);
        }
        .cta-banner .btn-accent {
            position: relative;
            z-index: 2;
        }
        .site-footer {
            background-color: #103F43;
            color: rgba(255, 255, 255, 0.8);
            padding-top: 60px;
            font-size: 0.9rem;
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .site-footer .footer-brand .fb-ic {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.1);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
        }
        .site-footer .footer-title {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 14px;
            position: relative;
            padding-bottom: 8px;
        }
        .site-footer .footer-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            border-radius: 3px;
            background-color: var(--mks-accent);
        }
        .site-footer .footer-link {
            display: block;
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.87rem;
            text-decoration: none;
            padding: 4px 0;
            transition: var(--mks-transition);
        }
        .site-footer .footer-link:hover {
            color: #fff;
            text-decoration: none;
            transform: translateX(4px);
        }
        .site-footer .footer-social a {
            display: inline-flex;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            align-items: center;
            justify-content: center;
            margin-right: 8px;
            font-size: 0.9rem;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--mks-transition);
        }
        .site-footer .footer-social a:hover {
            background-color: var(--mks-accent);
            color: #fff;
            transform: translateY(-3px);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 44px;
            padding: 16px 0 20px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .back-to-top {
            position: fixed;
            right: 28px;
            bottom: 30px;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background-color: var(--mks-primary);
            color: #fff;
            border: none;
            box-shadow: 0 6px 16px rgba(14, 124, 123, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            cursor: pointer;
            z-index: 1000;
            transition: var(--mks-transition);
            opacity: 0.9;
        }
        .back-to-top:hover {
            background-color: var(--mks-primary-dark);
            transform: translateY(-4px);
        }
        .step-line {
            position: relative;
            padding: 20px 0 10px;
        }
        .step-line::before {
            content: "";
            position: absolute;
            top: 44px;
            left: 9%;
            right: 9%;
            height: 2px;
            background: repeating-linear-gradient(90deg, var(--mks-primary) 0 8px, transparent 8px 16px);
            opacity: 0.35;
        }
        @media (min-width: 992px) {
            .step-line .step-item {
                position: relative;
                z-index: 2;
                background-color: var(--mks-bg);
                border-radius: 16px;
                padding: 20px 16px 6px;
                transition: var(--mks-transition);
            }
            .step-line .step-item:hover {
                background-color: #fff;
                box-shadow: var(--mks-shadow);
            }
        }
        .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--mks-primary), var(--mks-primary-dark));
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-family: "DIN Alternate", "Oswald", sans-serif;
            font-size: 1.2rem;
            font-weight: 700;
            box-shadow: 0 4px 10px rgba(14, 124, 123, 0.25);
            margin-bottom: 14px;
        }
        .step-item h3 {
            font-size: 1.08rem;
            font-weight: 600;
            color: var(--mks-ink);
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 0.89rem;
            color: var(--mks-text);
            line-height: 1.7;
        }
        .benefit-grid .benefit-item {
            display: flex;
            gap: 14px;
            margin-bottom: 20px;
        }
        .benefit-grid .bx {
            flex: 0 0 auto;
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background-color: rgba(14, 124, 123, 0.1);
            color: var(--mks-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
        }
        .benefit-grid h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--mks-ink);
            margin: 0 0 4px;
        }
        .benefit-grid p {
            font-size: 0.89rem;
            color: var(--mks-text);
            line-height: 1.7;
        }
        .bg-checker {
            background-image: linear-gradient(45deg, rgba(14, 124, 123, 0.03) 25%, transparent 25%), linear-gradient(-45deg, rgba(14, 124, 123, 0.03) 25%, transparent 25%), linear-gradient(45deg, transparent 75%, rgba(14, 124, 123, 0.03) 75%), linear-gradient(-45deg, transparent 75%, rgba(14, 124, 123, 0.03) 75%);
            background-size: 22px 22px;
            background-position: 0 0, 0 11px, 11px -11px, -11px 0;
        }
        @media (max-width: 991.98px) {
            .site-header {
                position: relative;
            }
            .mks-navbar .navbar-collapse {
                padding: 16px 0 10px;
            }
            .mks-nav {
                margin-bottom: 12px;
            }
            .mks-nav .nav-link.active::after {
                left: 12px;
                bottom: 2px;
                transform: none;
            }
            .nav-actions {
                flex-wrap: wrap;
                gap: 8px;
                padding: 10px 0;
                border-top: 1px solid var(--mks-light-line);
            }
            .mks-search {
                width: 100%;
                margin-right: 0;
            }
            .category-hero {
                padding: 64px 0 50px;
            }
            .cta-banner {
                padding: 36px 30px;
            }
            .section {
                padding: 56px 0;
            }
            .brand-text {
                font-size: 1rem;
            }
        }
        @media (max-width: 767.98px) {
            .header-top {
                font-size: 0.78rem;
            }
            .category-hero .hero-stats {
                gap: 12px;
            }
            .category-hero .hero-stats .stat-item {
                padding: 10px 14px;
                flex: 1 1 calc(50% - 8px);
            }
            .cta-banner {
                padding: 28px 20px;
            }
            .cta-banner h2 {
                font-size: 1.25rem;
            }
            .step-line::before {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .brand-text {
                max-width: 65vw;
                white-space: normal;
                line-height: 1.3;
                font-size: 0.95rem;
            }
            .category-hero h1 {
                font-size: 1.9rem;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .coop-mode-card .mode-points li {
                font-size: 0.84rem;
            }
        }
        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }
        @media (min-width: 768px) and (max-width: 991px) {
            .col-md-4 {
                flex: 0 0 50%;
                max-width: 50%;
            }
        }

/* roulang page: category2 */
:root{
  --mks-primary:#0E7C7B;
  --mks-primary-dark:#0A5F63;
  --mks-accent:#E9722B;
  --mks-accent-soft:#FCE8DC;
  --mks-bg:#F4F9FA;
  --mks-bg-alt:#EAF3F3;
  --mks-card:#FFFFFF;
  --mks-ink:#173A3A;
  --mks-text:#415F63;
  --mks-line:#E5EDEE;
  --mks-radius:16px;
  --mks-radius-md:12px;
  --mks-shadow:0 12px 30px rgba(23,58,58,.08);
  --mks-shadow-hover:0 20px 38px rgba(14,124,123,.14);
}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC","Hiragino Sans GB",sans-serif;background:var(--mks-bg);color:var(--mks-text);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
html{scroll-behavior:smooth}
a{color:var(--mks-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--mks-accent)}
img{max-width:100%;height:auto}
h1,h2,h3,h4{color:var(--mks-ink);font-weight:700;line-height:1.3}
.page-section{padding:72px 0}
.section-head{margin-bottom:40px}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--mks-accent-soft);color:var(--mks-accent);font-size:.82rem;font-weight:600;padding:6px 14px;border-radius:999px;letter-spacing:.02em}
.section-head h2{font-size:clamp(1.6rem,2.8vw,2.3rem);margin:14px 0 8px}
.section-head p{max-width:720px;color:var(--mks-text)}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;box-shadow:0 2px 18px rgba(23,58,58,.06)}
.header-top{background:var(--mks-primary-dark);color:rgba(255,255,255,.9);font-size:.82rem;line-height:1;padding:8px 0}
.header-top .ht-right{display:flex;align-items:center;gap:20px}
.mks-navbar{background:rgba(255,255,255,.96);backdrop-filter:blur(10px);padding:.8rem 0;box-shadow:0 1px 0 var(--mks-line)}
.mks-brand{display:flex;align-items:center;gap:10px;margin-right:28px}
.brand-mark{width:40px;height:40px;border-radius:11px;background:linear-gradient(135deg,var(--mks-primary),var(--mks-primary-dark));display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:1.15rem;flex:0 0 auto;box-shadow:0 6px 14px rgba(14,124,123,.24)}
.brand-text{font-weight:800;color:var(--mks-ink);font-size:.98rem;letter-spacing:.01em;white-space:nowrap}
.mks-nav{display:flex;align-items:center;gap:2px}
.mks-nav .nav-link{color:var(--mks-text);font-weight:500;font-size:.94rem;padding:8px 14px !important;border-radius:999px;transition:background .2s ease,color .2s ease}
.mks-nav .nav-link:hover{color:var(--mks-primary);background:rgba(14,124,123,.07)}
.mks-nav .nav-link.active{background:var(--mks-accent-soft);color:var(--mks-accent);box-shadow:inset 0 0 0 1px rgba(233,114,43,.25)}
.nav-actions{display:flex;align-items:center;gap:12px}
.mks-search{position:relative;display:flex;align-items:center}
.mks-search i{position:absolute;left:12px;color:#90A7A9;font-size:.9rem;pointer-events:none}
.mks-search input{height:40px;width:210px;border:1px solid #D8E4E6;border-radius:999px;background:#F5FAFA;padding:0 14px 0 34px;font-size:.875rem;outline:none;transition:border-color .2s,box-shadow .2s}
.mks-search input:focus{border-color:var(--mks-primary);box-shadow:0 0 0 4px rgba(14,124,123,.12);background:#fff}
.btn-mks{display:inline-flex;align-items:center;gap:8px;background:var(--mks-primary);border:1px solid var(--mks-primary);color:#fff;font-weight:600;border-radius:999px;padding:8px 19px;font-size:.9rem;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.btn-mks:hover{background:var(--mks-primary-dark);border-color:var(--mks-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 18px rgba(14,124,123,.25)}
.btn-mks:focus-visible,.btn-outline-mks:focus-visible,.btn-cta-accent:focus-visible{outline:2px solid var(--mks-accent);outline-offset:3px}
.mks-toggler{border:1px solid var(--mks-line);border-radius:10px;width:46px;height:44px;font-size:1.25rem;line-height:1;color:var(--mks-ink)}
.mks-toggler:focus{box-shadow:0 0 0 4px rgba(14,124,123,.14)}
.mks-toggler i{display:inline-block}
.btn-outline-mks{display:inline-flex;align-items:center;gap:7px;background:#fff;border:1px solid var(--mks-primary);color:var(--mks-primary);font-weight:600;border-radius:999px;padding:8px 20px;font-size:.9rem;transition:transform .2s,box-shadow .2s,background .2s}
.btn-outline-mks:hover{background:rgba(14,124,123,.06);color:var(--mks-primary-dark);transform:translateY(-2px);box-shadow:0 10px 22px rgba(14,124,123,.12)}

/* ===== Category Hero ===== */
.category-hero{position:relative;display:flex;align-items:center;min-height:420px;color:#fff;overflow:hidden}
.category-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center}
.category-hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(6,47,51,.82) 0%,rgba(8,66,70,.74) 44%,rgba(15,94,95,.48) 100%)}
.category-hero-inner{position:relative;z-index:2;width:100%;padding:64px 0 58px}
.mks-crumb{display:inline-flex;align-items:center;gap:8px;font-size:.85rem;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);padding:6px 15px;border-radius:999px;margin-bottom:24px;color:#EAF6F4;backdrop-filter:blur(6px)}
.mks-crumb a{color:#fff;opacity:.92}
.mks-crumb a:hover{color:var(--mks-accent-soft);opacity:1}
.cat-hero-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);color:#fff;font-weight:600;font-size:.84rem;padding:6px 16px;border-radius:999px;margin-bottom:14px;text-shadow:0 1px 4px rgba(0,0,0,.1)}
.category-hero-inner h1{font-size:clamp(2.3rem,4.6vw,3.6rem);color:#fff;font-weight:800;margin:.3rem 0 .8rem;letter-spacing:.02em}
.cat-hero-lead{max-width:680px;font-size:1.05rem;line-height:1.9;color:rgba(255,255,255,.93);margin-bottom:24px}
.cat-hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.btn-cta-accent{display:inline-flex;align-items:center;gap:8px;background:var(--mks-accent);border:1px solid var(--mks-accent);color:#fff;font-weight:600;border-radius:999px;padding:12px 26px;font-size:.95rem;transition:transform .2s,box-shadow .2s,background .2s}
.btn-cta-accent:hover{background:#D9601F;border-color:#D9601F;color:#fff;transform:translateY(-3px);box-shadow:0 14px 26px rgba(233,114,43,.28)}
.hero-ghost-btn{display:inline-flex;align-items:center;gap:7px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.55);color:#fff;font-weight:600;border-radius:999px;padding:12px 24px;font-size:.92rem;transition:background .2s,transform .2s}
.hero-ghost-btn:hover{background:rgba(255,255,255,.2);color:#fff;transform:translateY(-2px)}
.hero-stat-wrap{display:flex;flex-wrap:wrap;gap:0;margin-top:34px;border-top:1px solid rgba(255,255,255,.26);padding-top:24px;max-width:820px}
.hero-stat{flex:1 1 150px;display:flex;flex-direction:column;gap:2px}
.hero-stat strong{font-size:1.4rem;font-weight:800;color:#fff}
.hero-stat span{font-size:.82rem;color:rgba(255,255,255,.82)}

/* ===== Quick Tags ===== */
.cat-pill-bar{padding:26px 0 10px;background:var(--mks-bg)}
.pill-bar-inner{display:flex;flex-wrap:wrap;gap:12px}
.login-pill{display:inline-flex;align-items:center;gap:6px;background:#fff;color:var(--mks-text);border:1px solid var(--mks-line);border-radius:999px;padding:9px 20px;font-size:.88rem;font-weight:500;transition:transform .2s,border-color .2s,box-shadow .2s,background .2s}
.login-pill i{color:var(--mks-primary)}
.login-pill:hover{background:#fff;border-color:var(--mks-primary);color:var(--mks-primary);transform:translateY(-2px);box-shadow:0 8px 18px rgba(14,124,123,.1)}

/* ===== Content Sections ===== */
.login-guide-section{background:#fff}
.guide-img-wrap{border-radius:20px;overflow:hidden;box-shadow:var(--mks-shadow);position:relative;background:#EAF3F3}
.guide-img-wrap img{width:100%;height:360px;object-fit:cover;display:block}
.guide-img-tag{position:absolute;left:16px;bottom:16px;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);color:var(--mks-ink);font-size:.8rem;font-weight:600;padding:7px 16px;border-radius:999px;border:1px solid var(--mks-line)}
.content-list{list-style:none;margin:18px 0 22px;padding:0}
.content-list li{position:relative;padding-left:28px;margin-bottom:12px;line-height:1.85}
.content-list li::before{content:"\F26B";font-family:"bootstrap-icons";position:absolute;left:0;top:1px;color:var(--mks-primary);font-size:.95rem}
.member-note{background:#F4FAF8;border-left:4px solid var(--mks-primary);border-radius:0 12px 12px 0;padding:18px 22px;color:var(--mks-text);font-size:.95rem}

/* ===== Ordered steps ===== */
.order-steps-section{background:var(--mks-bg-alt)}
.step-order-card{position:relative;background:#fff;border:1px solid var(--mks-line);border-radius:20px;padding:28px 26px 24px;height:100%;transition:transform .25s ease,box-shadow .25s ease}
.step-order-card::before{content:"";position:absolute;top:24px;left:0;width:4px;height:44px;border-radius:0 4px 4px 0;background:var(--mks-accent);opacity:0;transition:opacity .2s}
.step-order-card:hover{transform:translateY(-5px);box-shadow:var(--mks-shadow-hover);border-color:rgba(14,124,123,.25)}
.step-order-card:hover::before{opacity:1}
.step-order-card .step-count{font-family:"DIN Alternate","Oswald","Bebas Neue",sans-serif;font-size:2.1rem;font-weight:800;color:var(--mks-line);line-height:1}
.step-order-card h3{font-size:1.22rem;margin:14px 0 10px;color:var(--mks-ink)}
.step-order-card p{font-size:.92rem;margin-bottom:0;color:var(--mks-text)}
.step-dot-line{position:absolute;top:44px;right:-16px;width:30px;border-top:2px dashed rgba(14,124,123,.3);z-index:1}
@media (max-width:991.98px){.step-dot-line{display:none}}

/* ===== Role Panels ===== */
.role-panel-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--mks-line);border-radius:20px;padding:32px;height:100%;box-shadow:0 4px 0 rgba(14,124,123,.04);transition:transform .2s,box-shadow .2s}
.role-panel-card:hover{transform:translateY(-3px);box-shadow:var(--mks-shadow)}
.role-ic{width:54px;height:54px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:22px}
.role-ic.ic-manager{background:rgba(14,124,123,.12);color:var(--mks-primary)}
.role-ic.ic-employee{background:var(--mks-accent-soft);color:var(--mks-accent)}
.role-panel-card h3{font-size:1.3rem;margin-bottom:12px}
.role-panel-card p{font-size:.93rem}

/* ===== Mixed Feature Cards ===== */
.feature-section{background:#fff}
.feature-main-card{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--mks-line);border-radius:20px;overflow:hidden;transition:transform .25s,box-shadow .25s}
.feature-main-card:hover{transform:translateY(-5px);box-shadow:var(--mks-shadow-hover)}
.feature-main-card img{width:100%;height:250px;object-fit:cover}
.fmc-body{padding:30px 32px}
.fmc-body h3{font-size:1.4rem;margin-bottom:12px}
.fmc-body p{font-size:.95rem;margin-bottom:14px}
.mini-feature-card{display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--mks-line);border-radius:20px;padding:24px;height:100%;transition:transform .25s,box-shadow .25s}
.mini-feature-card:hover{transform:translateY(-4px);box-shadow:var(--mks-shadow-hover)}
.mfc-icon{width:48px;height:48px;border-radius:13px;display:inline-flex;align-items:center;justify-content:center;font-size:1.2rem;flex:0 0 auto}
.mfc-icon.icon-a{background:rgba(14,124,123,.12);color:var(--mks-primary)}
.mfc-icon.icon-b{background:var(--mks-accent-soft);color:var(--mks-accent)}
.mini-feature-card h3{font-size:1.08rem;margin-bottom:5px}
.mini-feature-card p{font-size:.88rem;margin:0}

/* ===== Dark Safety Band ===== */
.safety-band{background:linear-gradient(120deg,#0A3F42 0%,#0A5F63 100%);color:#DFEEEC}
.safety-band-page{padding:58px 0}
.safety-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:30px}
.safety-item{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:20px 18px;transition:background .2s,transform .2s}
.safety-item:hover{background:rgba(255,255,255,.14);transform:translateY(-3px)}
.safety-item i{font-size:1.3rem;color:#F5B07C;display:block;margin-bottom:12px}
.safety-item strong{display:block;color:#fff;font-size:.96rem;margin-bottom:6px;font-weight:600}
.safety-item span{font-size:.82rem;opacity:.82;line-height:1.6}
.safety-title h2{color:#fff}
.safety-title p{color:rgba(255,255,255,.82)}
.safety-title .eyebrow{background:rgba(255,255,255,.12);color:#F5B07C}

/* ===== FAQ ===== */
.faq-page-section{background:var(--mks-bg)}
.mks-accordion .accordion-item{background:#fff;border:1px solid var(--mks-line);border-radius:14px !important;margin-bottom:14px;box-shadow:0 4px 14px rgba(23,58,58,.04);overflow:hidden;transition:border-color .2s}
.mks-accordion .accordion-item:has(.accordion-button:not(.collapsed)){border-color:rgba(14,124,123,.32);box-shadow:0 8px 24px rgba(14,124,123,.11)}
.mks-accordion .accordion-button{background:#fff;color:var(--mks-ink);font-weight:600;font-size:1rem;padding:18px 52px 18px 22px;border:0;box-shadow:none !important;outline:none}
.mks-accordion .accordion-button::after{content:"";background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230A5F63'%3E%3Cpath d='M8 3v10M3 8h10' stroke='%230A5F63' stroke-width='1.4'/%3E%3C/svg%3E");background-size:1.1rem;width:1.1rem;height:1.1rem;background-position:center;background-repeat:no-repeat;transition:transform .2s}
.mks-accordion .accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.mks-accordion .accordion-button:focus{box-shadow:none;border:0;outline:none}
.mks-accordion .accordion-button:not(.collapsed){background:#fff;color:var(--mks-primary-dark)}
.mks-accordion .accordion-body{color:var(--mks-text);font-size:.94rem;line-height:1.9;padding:0 22px 18px 22px;background:#fff;border-top:1px solid #F1F5F5}

/* ===== CTA ===== */
.cta-banner-section{padding:60px 0;background:linear-gradient(180deg,var(--mks-bg) 0%,#E8F2F2 100%)}
.cta-banner{background:var(--mks-primary-dark);border-radius:24px;padding:46px 44px;color:#fff;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;box-shadow:0 22px 50px rgba(10,95,99,.22);position:relative;overflow:hidden}
.cta-banner::after{content:"\F11C";font-family:"bootstrap-icons";position:absolute;right:-20px;bottom:-30px;font-size:8rem;opacity:.06;color:#fff}
.cta-banner .cta-text h2{color:#fff;font-size:clamp(1.5rem,2.6vw,2.15rem);margin-bottom:8px}
.cta-banner .cta-text p{color:rgba(255,255,255,.84);font-size:.98rem;margin-bottom:0;max-width:640px}
.cta-banner .btn-light-ghost{display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--mks-primary-dark);font-weight:700;border-radius:999px;padding:13px 28px;border:1px solid rgba(255,255,255,.35);transition:transform .2s,box-shadow .2s}
.cta-banner .btn-light-ghost:hover{color:var(--mks-primary-dark);transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,0,0,.16)}
.btn-phone-light{border:1px solid rgba(255,255,255,.4);padding:13px 24px;background:transparent;color:#fff;border-radius:999px;font-weight:600;display:inline-flex;align-items:center;gap:8px;transition:background .2s}
.btn-phone-light:hover{background:rgba(255,255,255,.13);color:#fff}

/* ===== Footer ===== */
.site-footer{background:var(--mks-primary-dark);color:rgba(255,255,255,.82);padding:58px 0 0;margin-top:0}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:800;font-size:1.05rem;margin-bottom:16px}
.fb-ic{width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.16);display:inline-flex;align-items:center;justify-content:center;font-size:1.15rem;color:#F8C089}
.footer-social a{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;background:rgba(255,255,255,.1);border-radius:10px;color:#fff;margin-right:8px;transition:background .2s,transform .2s}
.footer-social a:hover{background:var(--mks-accent);color:#fff;transform:translateY(-2px)}
.footer-title{font-weight:700;color:#fff;margin-bottom:12px;font-size:.92rem}
.footer-link{display:block;color:rgba(255,255,255,.75);font-size:.86rem;padding:4px 0;transition:color .2s,padding-left .2s}
.footer-link i{margin-right:5px}
.footer-link:hover{color:#F8C089;padding-left:4px}
.footer-bottom{margin-top:44px;padding:18px 0;border-top:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.68);font-size:.8rem}

/* ===== misc ===== */
.accordion-button{border-radius:0}
.accordion-item:first-of-type .accordion-button,.accordion-item:last-of-type .accordion-button{border-radius:0}
.back-to-top{position:fixed;bottom:24px;right:24px;width:46px;height:46px;background:var(--mks-primary);color:#fff;border-radius:13px;display:flex;align-items:center;justify-content:center;font-size:1.15rem;z-index:1045;box-shadow:0 8px 18px rgba(14,124,123,.22);transition:transform .2s,background .2s;border:none}
.back-to-top:hover{background:var(--mks-accent);transform:translateY(-3px);color:#fff}

/* ===== Responsive ===== */
@media (max-width:1199.98px){
  .mks-search input{width:160px}
}
@media (max-width:991.98px){
  .mks-search{margin:10px 0}
  .mks-search input{width:100%;height:42px}
  .nav-actions{flex-wrap:wrap;width:100%}
  .mks-navbar-brand{margin-right:10px}
  .mks-nav .nav-link{padding:10px 6px;border-radius:8px}
  .mks-nav .nav-link.active{background:var(--mks-accent-soft)}
  .navbar-collapse{padding:16px 0}
  .category-hero{min-height:380px}
  .category-hero-inner{padding:44px 0}
}
@media (max-width:767.98px){
  .page-section{padding:50px 0}
  .brand-text{font-size:.84rem;max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .brand-mark{width:36px;height:36px;font-size:1rem}
  .header-top{font-size:.78rem}
  .cta-banner{padding:30px 24px}
  .safety-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .safety-item{padding:16px}
  .guide-img-wrap img{height:250px}
  .mks-crumb{font-size:.78rem}
  .cat-hero-lead{font-size:.98rem}
  .hero-stat strong{font-size:1.2rem}
  .back-to-top{right:16px;bottom:16px;width:42px;height:42px}
}
@media (max-width:520px){
  .category-hero{min-height:430px}
  .cat-hero-actions .btn-cta-accent,.cat-hero-actions .hero-ghost-btn{width:100%}
  .hero-stat{flex:1 1 46%}
  .cta-banner .btn-light-ghost,.cta-banner .btn-phone-light{width:100%;justify-content:center}
}

/* roulang page: category4 */
:root {
            --mks-primary: #0E7C7B;
            --mks-primary-dark: #0A5F63;
            --mks-primary-deep: #093F43;
            --mks-accent: #E9722B;
            --mks-accent-soft: #FCE8DC;
            --mks-bg: #F4F9FA;
            --mks-bg-alt: #EAF3F3;
            --mks-card: #FFFFFF;
            --mks-ink: #173A3A;
            --mks-text: #415F63;
            --mks-muted: #7B9699;
            --mks-line: #E5EDEE;
            --mks-radius-lg: 16px;
            --mks-radius: 12px;
            --mks-radius-sm: 8px;
            --mks-shadow: 0 12px 30px rgba(23, 58, 58, 0.08);
            --mks-shadow-lg: 0 20px 44px rgba(23, 58, 58, 0.12);
            --mks-font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", "Hiragino Sans GB", sans-serif;
            --mks-font-num: "DIN Alternate", "Bebas Neue", "Oswald", sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--mks-font-cn);
            background: var(--mks-bg);
            color: var(--mks-text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--mks-primary);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--mks-accent);
        }
        img {
            max-width: 100%;
        }
        input,
        select,
        textarea,
        button {
            font-family: inherit;
        }
        ::selection {
            background: rgba(233, 114, 43, .18);
            color: var(--mks-ink);
        }

        .container {
            max-width: 1180px;
        }

        .section {
            padding: 88px 0;
        }
        .section-bg-light {
            background: var(--mks-bg);
        }
        .section-head {
            margin-bottom: 48px;
        }
        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: .82rem;
            letter-spacing: .08em;
            font-weight: 600;
            color: var(--mks-primary);
            background: rgba(14, 124, 123, .08);
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 12px;
        }
        h1,
        h2,
        h3,
        h4 {
            font-family: var(--mks-font-cn);
            color: var(--mks-ink);
            line-height: 1.3;
            margin: 0 0 .5em;
            font-weight: 700;
        }
        h1 {
            font-size: clamp(2.1rem, 4.2vw, 3.2rem);
        }
        h2 {
            font-size: clamp(1.55rem, 2.6vw, 2rem);
        }
        h3 {
            font-size: 1.15rem;
            font-weight: 600;
        }
        p {
            margin: 0 0 1.1em;
        }

        .btn {
            border-radius: 999px;
            padding: .58rem 1.25rem;
            font-weight: 600;
            letter-spacing: .02em;
            transition: all .25s ease;
        }
        .btn-mks {
            background: var(--mks-accent);
            border: 1px solid var(--mks-accent);
            color: #fff;
        }
        .btn-mks:hover {
            background: #d95f1e;
            border-color: #d95f1e;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(233, 114, 43, .22);
        }
        .btn-outline-mks {
            background: #fff;
            border: 1px solid var(--mks-line);
            color: var(--mks-primary);
        }
        .btn-outline-mks:hover {
            border-color: var(--mks-primary);
            background: rgba(14, 124, 123, .06);
            color: var(--mks-primary);
            transform: translateY(-2px);
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: #fff;
            box-shadow: 0 6px 20px rgba(23, 58, 58, .06);
        }

        .header-top {
            background: var(--mks-primary-dark);
            color: rgba(255, 255, 255, .86);
            font-size: .82rem;
            padding: 6px 0;
        }
        .header-top .ht-right {
            display: flex;
            gap: 18px;
        }
        .header-top i {
            margin-right: 6px;
            color: #C9E9E7;
        }

        .mks-navbar {
            background: rgba(255, 255, 255, .94);
            backdrop-filter: blur(8px);
            min-height: 76px;
            padding: .65rem 0;
        }
        .mks-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            min-width: 0;
        }
        .brand-mark {
            width: 40px;
            height: 40px;
            flex: 0 0 40px;
            border-radius: 10px;
            background: var(--mks-primary);
            color: #fff;
            font-size: 1.2rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 14px rgba(14, 124, 123, .24);
        }
        .brand-text {
            font-weight: 700;
            color: var(--mks-ink);
            font-size: 1.08rem;
            letter-spacing: .02em;
            white-space: nowrap;
        }
        .mks-navbar .mks-nav {
            margin-left: auto;
        }
        .mks-navbar .nav-link {
            font-weight: 500;
            color: var(--mks-ink);
            padding: .6rem .9rem !important;
            margin: 0 .1rem;
            position: relative;
        }
        .mks-navbar .nav-link::after {
            content: "";
            position: absolute;
            left: .9rem;
            right: .9rem;
            bottom: .2rem;
            height: 3px;
            background: var(--mks-accent);
            border-radius: 99px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .3s ease;
        }
        .mks-navbar .nav-link:hover {
            color: var(--mks-primary);
        }
        .mks-navbar .nav-link:hover::after {
            transform: scaleX(1);
        }
        .mks-navbar .nav-link.active {
            color: var(--mks-primary);
            font-weight: 700;
        }
        .mks-navbar .nav-link.active::after {
            transform: scaleX(1);
        }

        .mks-toggler {
            border: none;
            font-size: 1.6rem;
            color: var(--mks-primary);
            padding: .25rem .5rem;
            background: transparent;
        }
        .mks-toggler:focus {
            box-shadow: 0 0 0 4px rgba(14, 124, 123, .16);
        }

        .nav-actions {
            align-items: center;
            gap: 14px;
            margin-left: 14px;
        }
        .mks-search {
            position: relative;
        }
        .mks-search i {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--mks-muted);
            font-size: .9rem;
        }
        .mks-search input {
            width: 220px;
            height: 40px;
            border-radius: 999px;
            border: 1px solid var(--mks-line);
            background: var(--mks-bg);
            padding: 0 16px 0 38px;
            font-size: .85rem;
            outline: none;
            transition: border-color .2s, box-shadow .2s;
            color: var(--mks-ink);
        }
        .mks-search input:focus {
            border-color: var(--mks-primary);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(14, 124, 123, .12);
        }

        .cat-hero {
            position: relative;
            background-size: cover;
            background-position: center;
            color: #fff;
            min-height: 430px;
            display: flex;
            align-items: center;
            padding: 60px 0;
        }
        .cat-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(6, 45, 48, .92) 0%, rgba(10, 70, 73, .78) 48%, rgba(8, 61, 65, .42) 100%);
            z-index: 1;
        }
        .cat-hero .container {
            position: relative;
            z-index: 2;
        }
        .cat-breadcrumb {
            margin-bottom: 26px;
        }
        .cat-breadcrumb .breadcrumb {
            margin: 0;
            padding: 0;
            background: transparent;
        }
        .cat-breadcrumb .breadcrumb-item a {
            color: rgba(255, 255, 255, .72);
            text-decoration: none;
            font-size: .9rem;
        }
        .cat-breadcrumb .breadcrumb-item a:hover {
            color: #fff;
        }
        .cat-breadcrumb .breadcrumb-item.active {
            color: rgba(255, 255, 255, .95);
            font-size: .9rem;
        }
        .cat-breadcrumb .breadcrumb-item+.breadcrumb-item::before {
            color: rgba(255, 255, 255, .48);
        }

        .hero-chip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .16);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .24);
            backdrop-filter: blur(4px);
            font-size: .88rem;
            padding: 7px 16px;
            border-radius: 999px;
            margin-bottom: 18px;
        }
        .hero-chip i {
            color: #F7B89B;
        }
        .cat-hero h1 {
            color: #fff;
            margin-bottom: .32em;
            font-size: clamp(2.2rem, 4.4vw, 3.2rem);
            letter-spacing: .02em;
        }
        .hero-lead {
            max-width: 760px;
            font-size: 1.05rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, .9);
            margin-bottom: 26px;
        }
        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .hero-actions .btn-light {
            background: #fff;
            color: var(--mks-ink);
            border: none;
        }
        .hero-actions .btn-hero-outline {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .55);
            color: #fff;
        }
        .hero-actions .btn-hero-outline:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
            color: #fff;
        }

        .tag-strip {
            background: #fff;
            border-bottom: 1px solid var(--mks-line);
            padding: 22px 0;
        }
        .tag-strip-wrap {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .tag-strip-label {
            font-weight: 700;
            color: var(--mks-ink);
            font-size: .88rem;
            white-space: nowrap;
        }
        .tag-list {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .tag-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            background: var(--mks-bg);
            border: 1px solid var(--mks-line);
            border-radius: 999px;
            font-size: .85rem;
            font-weight: 500;
            color: var(--mks-text);
            transition: all .22s ease;
        }
        .tag-pill:hover {
            background: var(--mks-accent-soft);
            border-color: var(--mks-accent);
            color: var(--mks-ink);
            transform: translateY(-2px);
        }
        .tag-pill i {
            color: var(--mks-primary);
        }

        .cat-intro {
            background: var(--mks-bg);
        }
        .intro-copy,
        .intro-media {
            min-height: 360px;
        }
        .cat-check-list {
            list-style: none;
            margin: 18px 0 0;
            padding: 0;
        }
        .cat-check-list li {
            position: relative;
            padding-left: 34px;
            margin-bottom: 16px;
            color: var(--mks-text);
            line-height: 1.7;
            font-size: .95rem;
        }
        .cat-check-list li::before {
            content: "\F26A";
            font-family: "bootstrap-icons";
            position: absolute;
            left: 0;
            top: 0;
            width: 24px;
            height: 24px;
            background: rgba(14, 124, 123, .1);
            border-radius: 50%;
            color: var(--mks-primary);
            font-size: .85rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .intro-media img {
            border-radius: 22px;
            box-shadow: var(--mks-shadow-lg);
            object-fit: cover;
            width: 100%;
            height: 400px;
        }

        .feature-card-lg,
        .feature-card-sm {
            background: #fff;
            border-radius: var(--mks-radius);
            border: 1px solid var(--mks-line);
            padding: 38px;
            height: 100%;
            transition: box-shadow .3s, transform .3s;
        }
        .feature-card-lg {
            background: var(--mks-primary-dark);
            color: rgba(255, 255, 255, .86);
            border: none;
            border-radius: 18px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .feature-card-lg h3 {
            color: #fff;
            font-size: 1.45rem;
            margin-top: 22px;
        }
        .feature-card-sm {
            padding: 30px 34px;
        }
        .feature-card-sm:hover {
            transform: translateY(-4px);
            box-shadow: var(--mks-shadow);
        }
        .feature-card-lg:hover {
            transform: translateY(-4px);
            box-shadow: var(--mks-shadow-lg);
        }
        .icon-box {
            width: 54px;
            height: 54px;
            border-radius: 14px;
            background: var(--mks-accent-soft);
            color: var(--mks-accent);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.45rem;
            margin-bottom: 16px;
        }
        .feature-card-lg .icon-box {
            background: rgba(255, 255, 255, .16);
            color: #fff;
        }
        .feature-body {
            color: var(--mks-text);
            font-size: .93rem;
            margin-bottom: 18px;
            line-height: 1.75;
        }
        .card-link {
            font-weight: 600;
            font-size: .9rem;
            color: var(--mks-primary);
        }
        .card-link::after {
            content: "→";
            margin-left: 4px;
            transition: margin-left .2s ease;
        }
        .card-link:hover::after {
            margin-left: 8px;
        }

        .help-steps {
            background: #fff;
        }
        .step-item {
            position: relative;
            background: var(--mks-bg);
            border: 1px solid var(--mks-line);
            padding: 38px 30px;
            border-radius: 18px;
            height: 100%;
            transition: all .3s ease;
        }
        .step-item:hover {
            background: #fff;
            box-shadow: var(--mks-shadow);
            transform: translateY(-4px);
        }
        .step-num {
            font-family: var(--mks-font-num);
            display: block;
            font-size: 2.6rem;
            font-weight: 700;
            color: transparent;
            -webkit-text-stroke: 1px var(--mks-primary);
            margin-bottom: 8px;
            line-height: 1;
        }
        .step-item h3 {
            font-size: 1.1rem;
            margin-bottom: 12px;
        }
        .step-item p {
            font-size: .92rem;
            margin: 0;
            line-height: 1.8;
        }
        .step-item .bi-arrow-right-short {
            position: absolute;
            right: -22px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 1.8rem;
            color: var(--mks-primary);
            z-index: 2;
            background: var(--mks-bg-alt);
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .section-faq {
            background: var(--mks-bg);
        }
        .mks-accordion .accordion-item {
            border: none;
            background: transparent;
            margin-bottom: 14px;
            border-radius: var(--mks-radius) !important;
            box-shadow: var(--mks-shadow);
            overflow: hidden;
        }
        .mks-accordion .accordion-button {
            background: #fff;
            color: var(--mks-ink);
            font-weight: 600;
            font-size: 1rem;
            padding: 1.1rem 1.4rem;
            border-radius: var(--mks-radius) !important;
            box-shadow: none !important;
        }
        .mks-accordion .accordion-button::after {
            background-image: none;
            content: "\F229";
            font-family: "bootstrap-icons" !important;
            font-size: 1.2rem;
            color: var(--mks-primary);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .mks-accordion .accordion-button:not(.collapsed) {
            background: #fff;
            color: var(--mks-primary);
            border-bottom: 1px solid var(--mks-line);
        }
        .mks-accordion .accordion-button:not(.collapsed)::after {
            content: "\F235";
            color: var(--mks-accent);
        }
        .mks-accordion .accordion-button:focus {
            box-shadow: 0 0 0 4px rgba(14, 124, 123, .12);
        }
        .mks-accordion .accordion-body {
            background: #fff;
            color: var(--mks-text);
            font-size: .95rem;
            line-height: 1.8;
            padding: 1.2rem 1.4rem 1.4rem;
        }

        .contact-section {
            background: var(--mks-bg-alt);
        }
        .contact-card,
        .contact-info-card {
            background: #fff;
            border: 1px solid var(--mks-line);
            border-radius: 22px;
            padding: 36px 42px;
            box-shadow: var(--mks-shadow);
            height: 100%;
        }
        .form-label {
            font-weight: 600;
            color: var(--mks-ink);
            font-size: .9rem;
        }
        .form-control {
            height: 48px;
            border: 1px solid #DCE8EA;
            border-radius: 10px;
            color: var(--mks-ink);
            font-size: .92rem;
            padding: 0 16px;
            background: #fff;
            transition: border-color .2s, box-shadow .2s;
        }
        .form-control:focus {
            border-color: var(--mks-primary);
            box-shadow: 0 0 0 4px rgba(14, 124, 123, .12);
            color: var(--mks-ink);
        }
        textarea.form-control {
            height: auto;
            padding-top: 12px;
        }
        .mks-check {
            display: flex;
            gap: 8px;
            align-items: flex-start;
            margin-top: 16px;
        }
        .mks-check input {
            width: 18px;
            height: 18px;
            margin-top: 3px;
            accent-color: var(--mks-primary);
        }
        .mks-check label {
            font-size: .85rem;
            color: var(--mks-text);
            line-height: 1.5;
        }
        .info-item {
            display: flex;
            gap: 16px;
            margin-bottom: 26px;
        }
        .info-item .info-ic {
            width: 46px;
            height: 46px;
            flex: 0 0 46px;
            border-radius: 12px;
            background: var(--mks-bg-alt);
            color: var(--mks-primary);
            font-size: 1.15rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .info-item .info-content h4 {
            font-size: .85rem;
            color: var(--mks-muted);
            font-weight: 500;
            margin-bottom: 4px;
        }
        .info-item .info-content p {
            color: var(--mks-ink);
            font-weight: 600;
            margin: 0;
        }
        .contact-note {
            border-top: 1px solid var(--mks-line);
            padding: 18px 0 0;
            margin-top: 18px;
            display: flex;
            gap: 16px;
            color: var(--mks-muted);
            font-size: .88rem;
            align-items: center;
        }
        .btn-focus-ring:focus-visible,
        .btn:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(233, 114, 43, .25);
        }

        .site-footer {
            background: var(--mks-primary-dark);
            color: rgba(255, 255, 255, .78);
            padding-top: 70px;
            font-size: .92rem;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.08rem;
            font-weight: 700;
            color: #fff;
        }
        .fb-ic {
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, .15);
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
        }
        .footer-title {
            color: #fff;
            font-weight: 600;
            font-size: .98rem;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 24px;
            height: 2px;
            background: rgba(255, 255, 255, .45);
            border-radius: 99px;
        }
        .footer-link {
            display: block;
            color: rgba(255, 255, 255, .72);
            font-size: .88rem;
            margin-bottom: 8px;
            transition: color .2s;
        }
        .footer-link:hover {
            color: #fff;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, .12);
            color: rgba(255, 255, 255, .83);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            transition: all .2s ease;
        }
        .footer-social a:hover {
            background: var(--mks-accent);
            color: #fff;
            transform: translateY(-2px);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .14);
            margin-top: 50px;
            padding: 20px 0;
            color: rgba(255, 255, 255, .58);
            font-size: .82rem;
        }

        .mks-to-top {
            position: fixed;
            right: 22px;
            bottom: 24px;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--mks-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            z-index: 1040;
            box-shadow: var(--mks-shadow);
            opacity: 0;
            pointer-events: none;
            transition: opacity .25s, background .25s, transform .25s;
        }
        .mks-to-top.show {
            opacity: 1;
            pointer-events: auto;
        }
        .mks-to-top:hover {
            background: var(--mks-accent);
            color: #fff;
        }

        @media (max-width: 991.98px) {
            .section {
                padding: 64px 0;
            }
            .mks-navbar {
                min-height: 64px;
            }
            .mks-navbar .mks-nav {
                margin: 6px 0 12px;
            }
            .mks-navbar .nav-link.active {
                background: rgba(14, 124, 123, .08);
                border-radius: 8px;
            }
            .mks-navbar .nav-link::after {
                display: none;
            }
            .nav-actions {
                flex-direction: column;
                align-items: stretch;
                width: 100%;
                margin-left: 0;
                padding-bottom: 12px;
            }
            .mks-search input {
                width: 100%;
            }
            .mks-search {
                width: 100%;
            }
            .nav-actions .btn {
                width: 100%;
            }
            .cat-hero {
                min-height: 360px;
                padding: 44px 0;
            }
            .intro-media img {
                height: 300px;
            }
            .feature-card-lg {
                padding: 30px;
            }
            .contact-card,
            .contact-info-card {
                padding: 28px;
            }
            .step-item .bi-arrow-right-short {
                display: none;
            }
            .step-item {
                padding: 28px 24px;
            }
        }

        @media (max-width: 767.98px) {
            .section {
                padding: 52px 0;
            }
            .section-head {
                margin-bottom: 30px;
            }
            .brand-text {
                font-size: .9rem;
                max-width: 240px;
                overflow: hidden;
                text-overflow: ellipsis;
            }
            .brand-mark {
                width: 36px;
                height: 36px;
                flex-basis: 36px;
                font-size: 1.1rem;
            }
            .cat-hero h1 {
                font-size: 1.9rem;
            }
            .hero-lead {
                font-size: .95rem;
            }
            .tag-strip-label {
                width: 100%;
                margin-bottom: 4px;
            }
            .intro-media img {
                height: 230px;
                border-radius: 16px;
            }
            .feature-card-sm,
            .feature-card-lg {
                padding: 26px 22px;
            }
            .contact-card,
            .contact-info-card {
                padding: 22px;
                border-radius: 14px;
            }
            .footer-bottom {
                text-align: center;
            }
            .mks-to-top {
                right: 14px;
                bottom: 16px;
                width: 40px;
                height: 40px;
            }
        }

        @media (max-width: 480px) {
            .brand-text {
                font-size: .8rem;
                max-width: 215px;
            }
            .brand-mark {
                width: 32px;
                height: 32px;
                flex-basis: 32px;
                font-size: 1rem;
                border-radius: 8px;
            }
            .cat-hero {
                min-height: 330px;
            }
            .cat-hero h1 {
                font-size: 1.65rem;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .hero-actions {
                width: 100%;
            }
        }