/* roulang page: index */
/* ===== design tokens ===== */
:root{
  --color-ink:#15231f;
  --color-green-900:#10362d;
  --color-green-700:#0d6b58;
  --color-green-500:#16836c;
  --color-green-100:#e6f0eb;
  --color-orange-500:#ff5a1f;
  --color-orange-300:#ffa052;
  --bg-warm:#f6f5ef;
  --bg-deep:#15231f;
  --white:#ffffff;
  --gray-line:#e5e1d2;
  --gray-soft:#ece9df;
  --text-main:#15231f;
  --text-sub:#4b5a54;
  --text-light:#82918a;
  --card-shadow:0 1px 2px rgba(21,35,31,.04), 0 12px 28px -18px rgba(21,35,31,.18);
  --card-shadow-hover:0 20px 40px -24px rgba(13,107,88,.28);
  --btn-orange-shadow:0 8px 24px -8px rgba(255,90,31,.5);
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:10px;
  --radius-pill:999px;
  --font-sans:"PingFang SC","HarmonicOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:"DIN Alternate","Bahnschrift","Roboto Condensed","Arial Narrow",sans-serif;
  --section-padding:96px;
}
/* ===== base & reset ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth}
@media (min-width:320px) and (max-width:767px){html{font-size:14px}}
body{
  font-family:var(--font-sans);
  background:var(--bg-warm);
  color:var(--text-main);
  line-height:1.8;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:color .2s ease}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit}
.container-custom{max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding-top:var(--section-padding);padding-bottom:var(--section-padding)}
@media (max-width:991px){:root{--section-padding:72px}}
@media (max-width:767px){:root{--section-padding:56px}}
/* ===== heading pattern ===== */
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.9rem;font-weight:700;color:var(--color-green-700);
  letter-spacing:.05em;text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:16px;height:3px;border-radius:4px;background:linear-gradient(90deg,var(--color-green-700),var(--color-orange-500))}
.sec-head.center .eyebrow::after{content:"";width:16px;height:3px;border-radius:4px;background:linear-gradient(90deg,var(--color-green-700),var(--color-orange-500))}
.sec-title{font-weight:800;font-size:2rem;line-height:1.3;letter-spacing:.01em;color:var(--color-ink)}
@media(max-width:767px){.sec-title{font-size:1.4rem}}
.sec-desc{color:var(--text-sub);font-size:1rem;margin-top:12px}
/* ===== buttons ===== */
.btn-custom{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;border-radius:var(--radius-pill);border:2px solid transparent;
  cursor:pointer;transition:all .25s ease;line-height:1.2;
  font-size:1rem;letter-spacing:.02em;text-align:center;
}
.btn-primary-custom{
  background:linear-gradient(135deg,var(--color-orange-500),var(--color-orange-300));
  color:#fff;box-shadow:var(--btn-orange-shadow);padding:13px 34px;
}
.btn-primary-custom:hover{transform:translateY(-2px);box-shadow:0 12px 32px -6px rgba(255,90,31,.55);color:#fff}
.btn-primary-custom:active{transform:translateY(1px);box-shadow:0 4px 16px -6px rgba(255,90,31,.5)}
.btn-ghost-custom{
  background:transparent;border:2px solid currentColor;padding:12px 30px;
}
.btn-outline-white{
  border-color:rgba(255,255,255,.7);color:#fff;background:transparent;
}
.btn-outline-white:hover{background:#fff;color:var(--color-green-900);border-color:#fff}
.btn-green-ghost{
  border-color:var(--color-green-700);color:var(--color-green-700);background:transparent;
}
.btn-green-ghost:hover{background:var(--color-green-100);color:var(--color-green-900);transform:translateY(-2px)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid #0d6b58;outline-offset:4px;border-radius:6px;
}
/* ===== badge / tag ===== */
.badge-custom{
  display:inline-flex;align-items:center;padding:4px 14px;border-radius:var(--radius-pill);
  font-size:.8rem;font-weight:600;line-height:1.4;
}
.badge-green{background:var(--color-green-100);color:var(--color-green-700);font-weight:700}
.badge-orange{background:var(--color-orange-500);color:#fff;font-weight:700}
.badge-deep{background:var(--color-green-900);color:#fff;font-weight:600;border-radius:8px}
/* ===== site top bar ===== */
.site-topbar{
  background:var(--color-ink);
  color:rgba(255,255,255,.85);
  font-size:.78rem;
  padding:7px 0;
  line-height:1.4;
}
.topbar-flex{display:flex;align-items:center;justify-content:center;gap:18px;flex-wrap:wrap;text-align:center}
.topbar-flex span i{color:var(--color-orange-300)}
@media(max-width:767px){.topbar-flex{font-size:.7rem;gap:6px}}
/* ===== main header ===== */
.main-header{
  width:100%;
  position:absolute;
  top:36px;
  left:0;
  z-index:1040;
  background:transparent;
  transition:background .3s ease,box-shadow .3s ease,backdrop-filter .3s ease;
}
body.has-scrolled .main-header{
  background:rgba(16,54,45,0.82);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  box-shadow:0 8px 30px -12px rgba(0,0,0,.25);
}
.navbar{padding-top:8px;padding-bottom:8px}
.navbar-brand{
  display:inline-flex;flex-direction:column;align-items:center;
  font-size:1.25rem;font-weight:800;color:#fff;line-height:1.2;text-align:center;
}
.navbar-brand .brand-sub{font-size:.68rem;font-weight:500;letter-spacing:.15em;color:var(--color-orange-300);text-transform:uppercase}
.brand-icon{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);display:flex;align-items:center;justify-content:center;margin:0 auto 5px;font-size:1.1rem}
.navbar-nav{--bs-nav-link-padding-y:8px}
.navbar .nav-link{
  color:rgba(255,255,255,.82);
  font-size:.92rem;
  font-weight:600;
  padding:8px 14px!important;
  border-radius:var(--radius-pill);
  position:relative;
}
.navbar .nav-link:hover{color:#fff;background:rgba(255,255,255,.08)}
.navbar .nav-link.active{color:var(--color-orange-300)!important;background:rgba(255,255,255,.08)}
.nav-link.active::after{
  content:"";display:inline-block;width:7px;height:7px;border-radius:50%;
  background:var(--color-orange-500);margin-left:4px;vertical-align:2px;
}
.nav-cta-btn{
  display:inline-block;padding:8px 24px;background:linear-gradient(135deg,var(--color-orange-500),var(--color-orange-300));
  border-radius:var(--radius-pill);font-weight:600;color:#fff;font-size:.9rem;white-space:nowrap;box-shadow:var(--btn-orange-shadow);
  transition:all .25s ease;
}
.nav-cta-btn:hover{transform:translateY(-2px);color:#fff;box-shadow:0 10px 26px -6px rgba(255,90,31,.55)}
.navbar-toggler{border:none;color:#fff;background:transparent;font-size:1.6rem;line-height:1;padding:0 4px}
.main-header .navbar-toggler:focus{box-shadow:none}
@media (min-width:992px){
  .main-header{top:36px}
  .desktop-center-logo{position:absolute;left:50%;transform:translateX(-50%);top:6px;white-space:nowrap;z-index:5}
  .nav-side-left,.nav-side-right{display:flex;align-items:center;gap:0px;}
  .navbar-wrap{position:relative;display:flex;align-items:center;justify-content:space-between;min-height:70px;}
}
@media (max-width:991.98px){
  .main-header{top:35px;position:absolute}
  .navbar-collapse{
    background:var(--color-green-900);
    margin-top:10px;
    border-radius:var(--radius-md);
    padding:20px;
    box-shadow:0 25px 50px -12px rgba(0,0,0,.35);
  }
  .nav-side-left,.nav-side-right{display:block;width:100%}
  .navbar .nav-link{color:#fff;padding:10px 12px}
  .nav-cta-btn{display:inline-block;margin-top:12px}
  .navbar-brand{left:50%;position:relative;transform:translateX(-50%);}
}
body.has-scrolled .navbar-brand .brand-sub{color:var(--color-orange-300)}
/* ===== static ribbon ===== */
.hero-watermark{font-family:var(--font-num)}
/* ===== hero ===== */
.hero{
  position:relative;
  min-height:680px;
  display:flex;
  align-items:center;
  color:#fff;
  padding:150px 0 80px;
  background:linear-gradient(160deg,var(--color-ink) 0%,var(--color-green-900) 80%);
  overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.22;pointer-events:none;
}
.hero:before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(106deg,rgba(21,35,31,.93) 15%,rgba(13,50,41,.78) 65%,rgba(16,54,45,.5) 100%);
}
.hero .container{position:relative;z-index:2}
.hero-content{
  max-width:620px;
  padding-top:40px;
}
.hero-content .hero-badge{
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);
  border-radius:var(--radius-pill);padding:6px 16px;font-size:.78rem;color:#fff;margin-bottom:24px;
  border:1px solid rgba(255,255,255,.18);letter-spacing:.05em;
}
.hero-badge i{color:var(--color-orange-300)}
.hero-title{
  font-size:3.2rem;font-weight:800;line-height:1.15;color:#fff;letter-spacing:0;
  margin-bottom:18px;text-wrap:balance;
}
@media(max-width:767px){.hero-title{font-size:2rem}}
.hero-title .line-block{display:block}
.hero-title span.gradient-text{background:linear-gradient(100deg,#fff 30%,var(--color-orange-300));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{
  font-size:1.08rem;color:rgba(255,255,255,.8);max-width:540px;line-height:1.9;margin-bottom:32px;
}
@media(max-width:767px){.hero-sub{font-size:.95rem}}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:24px;overflow:hidden;padding:10px;backdrop-filter:blur(4px);max-width:400px;margin-left:auto;box-shadow:0 30px 50px -20px rgba(0,0,0,.55);
}
.hero-card img{
  border-radius:18px 18px 12px 12px;width:100%;height:272px;object-fit:cover;margin-bottom:0;
  border-bottom:6px solid var(--color-orange-300)
}
.hero-stats{
  display:flex;gap:14px;margin-top:55px;flex-wrap:wrap;
}
.stat-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:14px;
  padding:14px 22px;
  min-width:130px;
  backdrop-filter:blur(4px);
  transition:all .3s ease;
}
.stat-card:hover{background:rgba(255,255,255,.12);transform:translateY(-4px)}
.stat-num{
  font-family:var(--font-num);font-size:2.1rem;font-weight:700;line-height:1;color:var(--color-orange-300);
  display:block;margin-bottom:4px;
}
.stat-label{font-size:.78rem;color:rgba(255,255,255,.7)}
.scroll-hint-down{
  width:28px;height:28px;color:#fff;opacity:.5;position:absolute;bottom:20px;left:50%;
  transform:translateX(-50%);
}
@media(max-width:991px){
  .hero{padding:120px 0 70px}
  .hero-card{max-width:100%;margin-top:30px}
  .hero-stats{margin-top:35px}
}
/* ===== brand strip ===== */
.info-bar{
  background:var(--bg-deep);
  color:rgba(255,255,255,.83);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.info-bar-content{
  display:flex;align-items:center;justify-content:center;gap:24px;font-size:.9rem;
  padding:14px 0;flex-wrap:wrap;text-align:center;
}
@media(max-width:767px){.info-bar-content{gap:6px;font-size:.8rem;line-height:1.8}}
/* ===== card common ===== */
.card-ele{
  background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--card-shadow);
  overflow:hidden;transition:transform .3s,box-shadow .3s;height:100%;
}
.card-ele:hover{transform:translateY(-4px);box-shadow:var(--card-shadow-hover)}
/* ===== latest section ===== */
.latest-section{
  background:var(--bg-warm);
}
.latest-card-main{
  display:flex;flex-direction:column;border:1px solid var(--gray-line);border-radius:var(--radius-lg);
  background:#fff;
  overflow:hidden;height:100%;transition:all .3s;
}
.latest-card-main:hover{transform:translateY(-4px);box-shadow:var(--card-shadow-hover)}
.latest-card-main .imgwrap{height:230px;overflow:hidden;background:var(--color-green-100)}
.latest-card-main .imgwrap img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.latest-card-main:hover .imgwrap img{transform:scale(1.04)}
.latest-card-main .body{padding:24px}
.latest-card-main .meta-line,.horizontal-time{font-family:var(--font-num);font-size:.78rem;color:var(--text-light)}
.horizontal-list-card{
  display:flex;gap:16px;background:#fff;border:1px solid var(--gray-line);border-radius:var(--radius-md);
  padding:16px;margin-bottom:16px;transition:all .25s;align-items:flex-start;
}
.horizontal-list-card:hover{border-color:var(--color-green-700);box-shadow:var(--card-shadow-hover);transform:translateX(4px)}
.time-block{
  background:var(--color-green-100);color:var(--color-green-700);border-radius:8px;text-align:center;
  padding:8px 10px;min-width:68px;display:flex;flex-direction:column;justify-content:center;font-family:var(--font-num);
}
.time-block .day{font-size:1.55rem;line-height:1;font-weight:700}
.time-block .mon{font-size:.72rem}
.content-block h3{font-size:1rem;font-weight:700;color:#1f312b;margin-bottom:4px}
.content-block p{font-size:.85rem;color:var(--text-sub);margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.read-more{display:inline-flex;align-items:center;font-size:.78rem;font-weight:700;color:var(--color-green-700)}
.read-more i{transition:transform .2s}
.read-more:hover i{transform:translateX(4px)}
.empty-list-card{
  background:var(--white);border:1px dashed var(--gray-line);border-radius:var(--radius-lg);
  padding:60px 30px;text-align:center;color:var(--text-sub);
}
/* ===== deal steps ===== */
.deals-section{background:#0e2a23;color:#fff;position:relative;overflow:hidden}
.deals-section:before{content:"";position:absolute;width:560px;height:560px;background:radial-gradient(circle, rgba(255,90,31,.18), transparent 66%);top:-180px;right:-180px}
.deals-section .sec-title{color:#fff}
.deals-section .sec-desc{color:rgba(255,255,255,.7)}
.step-deal{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.13);border-radius:var(--radius-lg);
  padding:30px 24px;height:100%;transition:all .3s;position:relative;
}
.step-deal.featured{
  background:linear-gradient(180deg,rgba(255,255,255,.1),rgba(255,255,255,.04));
  border-color:rgba(255,160,82,.4);
  box-shadow:0 30px 50px -30px rgba(255,90,31,.45);
}
.step-deal.featured:before{content:"热门人气";position:absolute;top:14px;right:-4px;background:linear-gradient(135deg,#ff5a1f,#ff9021);color:#fff;font-size:.68rem;font-weight:700;border-radius:8px 0 0 8px;padding:4px 12px;letter-spacing:.06em}
.deal-number{
  font-family:var(--font-num);font-size:1rem;color:var(--color-orange-300);letter-spacing:.08em;font-weight:700;
}
.deal-name{font-size:1.22rem;font-weight:700;margin:8px 0 8px}
.deal-desc{font-size:.9rem;color:rgba(255,255,255,.68);min-height:55px}
.deal-valid{font-family:var(--font-num);font-size:.76rem;color:var(--color-orange-300);border-top:1px solid rgba(255,255,255,.1);padding-top:12px;margin-top:16px}
.deal-tag{margin-top:16px}
.deal-action{margin-top:8px}
/* ===== compare plan ===== */
.compare-section{background:var(--bg-warm)}
.plan-col{height:100%}
.plan-card{
  background:#fff;border-radius:var(--radius-lg);border:1px solid var(--gray-line);padding:30px 26px;height:100%;transition:all .3s;
}
.plan-card.highlight{
  background:linear-gradient(160deg,var(--color-green-700),#0a4a3f);
  border-color:var(--color-green-700);color:#fff;transform:scale(1.01);box-shadow:0 24px 50px -20px rgba(13,107,88,.3);
}
.plan-card.highlight:hover{transform:translateY(-4px)}
.plan-name{font-size:1.05rem;font-weight:700;color:inherit}
.plan-price{display:flex;align-items:baseline;gap:4px;margin:18px 0 20px}
.price-symbol{font-family:var(--font-num);font-size:1.2rem;color:inherit;font-weight:600}
.price-num{font-family:var(--font-num);font-size:3.4rem;font-weight:700;line-height:1;color:var(--color-ink)}
.highlight .price-num,.highlight .price-symbol{color:#fff}
.old-price{font-family:var(--font-num);font-size:.9rem;color:#9ba5a0;text-decoration:line-through;margin-left:8px}
.plan-card.featured .old-price{color:rgba(255,255,255,.55)}
.plan-desc{color:var(--text-sub);font-size:.86rem;min-height:40px}
.highlight .plan-desc{color:rgba(255,255,255,.8)}
.plan-features li{display:flex;align-items:center;gap:10px;padding:7px 0;font-size:.9rem}
.check-icon,.close-icon{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;flex-shrink:0;font-size:.7rem}
.check-icon{background:var(--color-green-100);color:var(--color-green-700)}
.close-icon{background:#f1eee5;color:#898d87}
.highlight .check-icon{background:rgba(255,255,255,.2);color:#fff}
.highlight .close-icon{background:rgba(255,255,255,.14)}
.plan-btn{margin-top:24px}
.highlight .btn-primary-custom{background:#fff;color:var(--color-green-700);box-shadow:none}
.highlight .btn-primary-custom:hover{background:var(--color-green-100)}
/* ===== countdown ===== */
.limit-section{
  position:relative;background:var(--color-ink);color:#fff;
  background-image:repeating-linear-gradient(-45deg,rgba(255,255,255,.025) 0,rgba(255,255,255,.025) 1px,transparent 1px,transparent 12px);
  text-align:center;
}
.limit-section:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 40%,rgba(13,107,88,.4),transparent 60%)}
.limit-inner{position:relative}
.countdown-box{
  display:flex;gap:14px;justify-content:center;margin:36px 0;
}
.count-box{
  min-width:84px;padding:20px 10px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-md);
}
.count-num{font-family:var(--font-num);font-size:2.4rem;font-weight:700;line-height:1;display:block;color:var(--color-orange-300)}
.count-label{font-size:.72rem;color:rgba(255,255,255,.6);text-transform:uppercase;letter-spacing:.1em;margin-top:6px;display:block}
@media(max-width:767px){.countdown-box{gap:8px}.count-box{min-width:65px;padding:14px 4px}.count-num{font-size:1.6rem}}
.limit-btn-wrap{display:flex;justify-content:center}
/* == form == */
.contact-section{background:var(--bg-warm)}
.form-card{
  background:#fff;border-radius:var(--radius-lg);box-shadow:var(--card-shadow);padding:34px;
}
.form-dropdown,.form-control-cus{
  width:100%;background:#fbfaf6;border:1px solid #ddd8ca;border-radius:var(--radius-sm);height:44px;
  padding:0 16px;font-size:.92rem;color:var(--text-main);transition:border-color .2s, box-shadow .2s;
  appearance:none;-webkit-appearance:none;
}
textarea.form-control-cus{height:auto;padding:12px 16px;min-height:110px;resize:vertical}
.form-dropdown:focus,.form-control-cus:focus{
  border-color:var(--color-green-700);
  outline:none;
  box-shadow:0 0 0 3px rgba(13,107,88,.15);
}
select.form-dropdown{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%230d6b58' stroke-width='1.6' fill='none'/%3E%3C/svg%3E");
  background-position:right 14px center;
  background-repeat:no-repeat;
}
label{font-weight:600;font-size:.9rem;margin-bottom:6px;color:var(--text-main)}
.leftcontact h4{font-size:1.4rem;font-weight:700;color:var(--text-main)}
.leftcontact ul li{display:flex;gap:10px;margin-bottom:12px;color:var(--text-sub)}
.submit-success{border:1px solid var(--color-green-700);background:var(--color-green-100);border-radius:var(--radius-md);padding:10px 16px;color:var(--color-green-900);font-size:.92rem;display:none;}
.form-success-show .submit-success{display:block}
/* ===== FAQ ===== */
.faq-section{background:var(--bg-warm)}
.accordion-item-cus{
  background:#fff;border:1px solid var(--gray-line)!important;border-radius:var(--radius-md)!important;overflow:hidden;
  margin-bottom:14px;
}
.faq-q{
  all:unset;width:100%;display:flex;justify-content:space-between;align-items:center;
  padding:22px 24px;font-weight:700;font-size:1rem;cursor:pointer;
}
.faq-q .arrow{transition:transform .3s;color:var(--color-green-700)}
.faq-q:hover{background:var(--color-green-100)}
.faq-ans{
  padding:0 24px;color:var(--text-sub);line-height:1.9;font-size:.94rem;
  max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease;
}
.faq-item.open .faq-q{background:var(--color-green-100);color:var(--color-green-700)}
.faq-item.open .arrow{transform:rotate(90deg)}
.faq-item.open .faq-ans{padding:0 24px 20px;max-height:300px}
/* ===== brand official statement ===== */
.official-statement{background:var(--white);padding:40px 0}
.statement-card{
  background:var(--bg-warm);border-left:6px solid var(--color-orange-500);border-radius:6px 18px 18px 6px;
  padding:26px 28px;font-size:.98rem;
}
/* ===== CTA ===== */
.cta-section{background:var(--color-green-900);color:#fff}
.cta-title{font-size:1.9rem;font-weight:800}
@media(max-width:767px){.cta-title{font-size:1.4rem}}
.cta-action .btn-primary-custom{background:#fff;color:var(--color-green-800);box-shadow:none}
.cta-action .btn-primary-custom:hover{background:var(--color-orange-100)}
/* ===== footer ===== */
.footer{
  background:var(--color-green-900);color:rgba(255,255,255,.8);
}
.footer-top{
  display:flex;justify-content:space-between;gap:40px;padding:70px 0 50px;color:#fff;flex-wrap:wrap;
}
.footer-about{max-width:300px}
.footer-brand{
  font-size:1.3rem;font-weight:800;margin-bottom:8px;color:#fff;
}
.footer-brand span{font-size:.72rem;font-weight:500;color:var(--color-orange-300);letter-spacing:.1em;display:block}
.footer h5{
  font-size:1rem;font-weight:700;letter-spacing:.04em;margin-bottom:18px;color:#fff;
}
.footer ul li a{color:rgba(255,255,255,.6);font-size:.85rem;line-height:1.9;transition:color .2s}
.footer ul li a:hover{color:var(--color-orange-300)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:22px 0;
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;
  color:rgba(255,255,255,.5);font-size:.75rem;
}
.footer-bottom .copyright-domain{font-family:var(--font-num)}
/* ===== latest-section ===== */
@media(max-width:991px){
  .hero-card{margin-top:30px;width:100%}
}
@media(max-width:767px){
  .hero-sub{font-size:.9rem}
  .hero-actions .btn-custom{width:100%;margin-bottom:.5rem}
  .hero-stats{gap:8px}
  .stat-card{flex:1 1 40%;min-width:90px;padding:12px}
}

/* roulang page: category1 */
:root {
      --color-ink: #15231f;
      --color-green-900: #10362d;
      --color-green-700: #0d6b58;
      --color-green-100: #e6f0eb;
      --color-orange-500: #ff5a1f;
      --color-orange-300: #ffa052;
      --bg-warm: #f6f5ef;
      --white: #ffffff;
      --border-warm: #e5e1d2;
      --text-body: #2c3834;
      --muted: #6b7771;
      --radius-card: 18px;
      --radius-image: 12px;
      --radius-form: 10px;
      --shadow-card: 0 1px 2px rgba(21,35,31,.04), 0 12px 28px -18px rgba(21,35,31,.18);
      --shadow-hover: 0 20px 40px -24px rgba(13,107,88,.28);
      --transition: all .25s ease;
    }

    * { box-sizing: border-box; }
    html { font-size: 14px; scroll-behavior: smooth; }
    body {
      margin: 0;
      background: var(--bg-warm);
      color: var(--text-body);
      font-family: "PingFang SC", "HarmonicOS Sans SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
      line-height: 1.8;
      -webkit-font-smoothing: antialiased;
    }

    img { max-width: 100%; height: auto; }
    a { text-decoration: none; color: var(--color-green-700); transition: var(--transition); }
    a:hover { color: var(--color-orange-500); }
    p { margin: 0 0 1rem; }

    .container-custom {
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 24px;
      width: 100%;
    }

    .section { padding: 96px 0; position: relative; }
    .section-sm { padding: 64px 0; }
    .tag-title {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: .88rem;
      font-weight: 700;
      letter-spacing: .02em;
      color: var(--color-green-700);
      margin-bottom: 14px;
      text-transform: uppercase;
    }
    .tag-title::before { content: ""; width: 16px; height: 16px; border-radius: 4px; background: linear-gradient(135deg, var(--color-orange-500), var(--color-orange-300)); }

    .section-title {
      font-size: 34px;
      line-height: 1.3;
      font-weight: 800;
      color: var(--color-ink);
      margin-bottom: 16px;
    }
    .section-lead { max-width: 820px; color: var(--muted); margin-bottom: 0; }

    /* Header / Nav */
    .main-header {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 1040;
      padding: 20px 0;
      transition: background .4s ease, padding .3s ease;
      background: linear-gradient(180deg, rgba(21,35,31,.55) 0%, rgba(21,35,31,0) 100%);
    }
    .main-header.scrolled {
      background: rgba(16,54,45,.82);
      backdrop-filter: saturate(180%) blur(14px);
      -webkit-backdrop-filter: saturate(180%) blur(14px);
      padding: 10px 0;
      box-shadow: 0 12px 24px -20px rgba(21,35,31,.45);
    }

    .navbar { flex-wrap: wrap; }
    .navbar-nav .nav-link {
      font-weight: 600;
      font-size: .95rem;
      color: rgba(255,255,255,.85);
      padding: 10px 18px !important;
      position: relative;
      border-radius: 999px;
    }
    .navbar-nav .nav-link:hover { color: var(--white); }
    .navbar-nav .nav-link.active {
      color: #fff;
      background: rgba(255,255,255,.08);
    }
    .navbar-nav .nav-link.active::after {
      content: "";
      display: block;
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--color-orange-500);
      margin: 2px auto 0;
      box-shadow: 0 0 0 4px rgba(255,90,31,.18);
    }

    .navbar-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: #fff;
      font-weight: 800;
      font-size: 1.35rem;
      letter-spacing: .01em;
      white-space: nowrap;
      transition: var(--transition);
    }
    .navbar-brand:hover { color: var(--color-green-100); }
    .brand-icon {
      width: 42px;
      height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(145deg, var(--color-green-700), #08342a);
      border-radius: 14px;
      color: var(--color-orange-300);
      font-size: 1.2rem;
      box-shadow: inset 0 0 0 1px rgba(255,255,255,.08);
    }
    .brand-sub {
      display: block;
      font-size: .62rem;
      font-weight: 400;
      color: rgba(255,255,255,.6);
      letter-spacing: .08em;
      line-height: 1;
    }
    .nav-cta-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, var(--color-orange-500), var(--color-orange-300));
      color: #fff !important;
      font-weight: 700;
      font-size: .9rem;
      padding: 10px 26px;
      border-radius: 999px;
      box-shadow: 0 8px 24px -8px rgba(255,90,31,.5);
      white-space: nowrap;
      transition: var(--transition);
    }
    .nav-cta-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 14px 28px -10px rgba(255,90,31,.55);
      color: #fff;
    }

    .navbar-toggler {
      border: 0;
      color: #fff;
      font-size: 1.4rem;
      padding: 0;
      width: 44px;
      height: 44px;
      background: transparent !important;
    }
    .navbar-toggler:focus { box-shadow: none; outline: 2px solid var(--color-green-100); outline-offset: 2px; }

    .nav-side-left, .nav-side-right { display: flex; align-items: center; }

    /* Category hero */
    .category-hero {
      min-height: 640px;
      padding: 190px 0 90px;
      background:
        linear-gradient(100deg, rgba(16,54,45,.97) 0%, rgba(21,35,31,.88) 45%, rgba(13,107,88,.66) 100%),
        url('/assets/images/backpic/back-3.webp') center center / cover no-repeat;
      color: #fff;
      display: flex;
      align-items: center;
    }
    .hero-kicker {
      display: inline-flex;
      gap: 8px;
      align-items: center;
      background: rgba(255,255,255,.08);
      padding: 8px 18px;
      border-radius: 999px;
      font-size: .85rem;
      color: var(--color-orange-300);
      font-weight: 600;
      backdrop-filter: blur(6px);
      border: 1px solid rgba(255,255,255,.12);
      margin-bottom: 22px;
    }
    .category-hero h1 {
      font-size: 48px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 18px;
      letter-spacing: .01em;
    }
    .category-hero .hero-desc {
      max-width: 720px;
      font-size: 1.05rem;
      color: rgba(255,255,255,.84);
      line-height: 1.9;
      margin-bottom: 32px;
    }
    .hero-badge-row {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-top: 26px;
    }
    .hero-badge {
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(255,255,255,.12);
      border-radius: 999px;
      padding: 11px 22px;
      font-size: .9rem;
      color: rgba(255,255,255,.8);
      display: inline-flex;
      align-items: center;
      gap: 10px;
    }
    .hero-badge strong {
      color: var(--color-orange-500);
      font-family: "DIN Alternate", "Bahnschrift", "Roboto Condensed", "Arial Narrow", sans-serif;
      font-size: 1.3rem;
      margin-right: 2px;
    }

    .btn-brand {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: linear-gradient(135deg, var(--color-orange-500), var(--color-orange-300));
      color: #fff;
      border-radius: 999px;
      padding: 13px 34px;
      font-weight: 700;
      border: 0;
      box-shadow: 0 10px 26px -8px rgba(255,90,31,.5);
      transition: var(--transition);
      min-height: 48px;
    }
    .btn-brand:hover { transform: translateY(-2px); color: #fff; box-shadow: 0 16px 34px -10px rgba(255,90,31,.55); }
    .btn-ghost-light {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: 1px solid rgba(255,255,255,.45);
      color: #fff;
      border-radius: 999px;
      padding: 12px 30px;
      min-height: 48px;
      font-weight: 600;
      transition: var(--transition);
      background: transparent;
    }
    .btn-ghost-light:hover { background: rgba(255,255,255,.1); color: #fff; border-color: #fff; }
    .btn-green-ghost {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--color-green-700);
      border: 1px solid var(--color-green-700);
      border-radius: 999px;
      padding: 11px 28px;
      font-weight: 600;
      background: transparent;
      transition: var(--transition);
    }
    .btn-green-ghost:hover { background: var(--color-green-100); color: var(--color-green-900); }

    /* Category notice bar */
    .notice-strip {
      background: var(--color-green-900);
      color: #fff;
      padding: 13px 0;
      border-bottom: 1px solid rgba(255,255,255,.08);
    }
    .notice-strip .notice-inner { display: flex; align-items: center; gap: 12px; }
    .notice-strip i { color: var(--color-orange-500); font-size: 1rem; }
    .notice-strip p { margin: 0; font-size: .9rem; color: rgba(255,255,255,.84); }

    /* Card blocks */
    .feature-card {
      background: #fff;
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      padding: 34px 30px;
      height: 100%;
      border: 1px solid rgba(21,35,31,.04);
      transition: transform .3s ease, box-shadow .3s ease;
      position: relative;
      overflow: hidden;
    }
    .feature-card::before {
      content: "";
      position: absolute;
      top: 0; left: 0;
      width: 100%; height: 4px;
      background: linear-gradient(90deg, var(--color-green-700), transparent);
      opacity: 0;
      transition: var(--transition);
    }
    .feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
    .feature-card:hover::before { opacity: 1; }
    .feature-card .card-icon {
      width: 56px;
      height: 56px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--color-green-100);
      color: var(--color-green-700);
      font-size: 1.5rem;
      border-radius: 16px;
      margin-bottom: 24px;
    }
    .feature-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 12px; color: var(--color-ink); }
    .feature-card p { color: var(--muted); font-size: .94rem; margin: 0; }
    .feature-card .card-tag {
      display: inline-block;
      margin-top: 20px;
      background: rgba(255,90,31,.1);
      color: var(--color-orange-500);
      padding: 5px 14px;
      border-radius: 999px;
      font-size: .78rem;
      font-weight: 600;
    }

    /* Sec split */
    .split-card {
      background: #fff;
      border-radius: 24px;
      overflow: hidden;
      box-shadow: var(--shadow-card);
      border: 1px solid rgba(21,35,31,.05);
    }
    .split-media { min-height: 360px; height: 100%; background-size: cover; background-position: center; }
    .split-media img { width: 100%; height: 100%; object-fit: cover; border-radius: 0; }
    .split-content { padding: 48px; }
    .split-content h2 { font-size: 28px; font-weight: 800; color: var(--color-ink); margin-bottom: 16px; }
    .split-content p { color: var(--muted); }
    .split-list { list-style: none; margin: 20px 0 0; padding: 0; }
    .split-list li { display: flex; gap: 12px; align-items: flex-start; padding: 10px 0; }
    .split-list i { color: var(--color-green-700); font-size: 1.1rem; flex-shrink: 0; }

    /* Security process */
    .process-card {
      text-align: left;
      background: #fff;
      border: 1px solid var(--border-warm);
      border-radius: var(--radius-card);
      padding: 28px 26px;
      height: 100%;
      transition: var(--transition);
      position: relative;
    }
    .process-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
    .process-num {
      background: var(--color-green-100);
      color: var(--color-green-700);
      font-family: "DIN Alternate", "Bahnschrift", "Roboto Condensed", sans-serif;
      font-size: 1.35rem;
      font-weight: 800;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 46px; height: 46px;
      border-radius: 12px;
      margin-bottom: 22px;
    }
    .process-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
    .process-card p { color: var(--muted); font-size: .92rem; margin: 0; }

    /* Steps / scenario */
    .scenario-list {
      background: #fff;
      border-radius: var(--radius-card);
      padding: 10px 32px;
      box-shadow: var(--shadow-card);
      border: 1px solid rgba(21,35,31,.04);
    }
    .scenario-list li { padding: 16px 0; border-bottom: 1px solid #f0ece0; display: flex; gap: 16px; align-items: flex-start; }
    .scenario-list li:last-child { border-bottom: 0; }
    .scenario-list i { color: var(--color-green-700); font-size: 1.3rem; }
    .scenario-list strong { display: block; color: var(--color-ink); font-weight: 700; }

    /* FAQ */
    .faq-wrap { max-width: 960px; margin: 0 auto; }
    .faq-card {
      background: #fff;
      border-radius: 18px;
      border: 1px solid var(--border-warm);
      margin-bottom: 14px;
      transition: background .3s ease;
      overflow: hidden;
    }
    .faq-card.active { background: linear-gradient(145deg, var(--color-green-100), #fff 60%); border-color: rgba(13,107,88,.25); }
    .faq-q {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 20px 28px;
    }
    .faq-q button { width: 100%; text-align: left; background: transparent; border: 0; font-size: 1.05rem; font-weight: 700; color: var(--color-ink); padding: 0; }
    .faq-q button:focus { outline: 2px solid var(--color-green-700); outline-offset: 4px; border-radius: 4px; }
    .faq-toggle {
      width: 34px; height: 34px;
      border-radius: 50%;
      border: 1px solid var(--border-warm);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--color-green-700);
      background: #fff;
      flex-shrink: 0;
      transition: transform .3s ease;
    }
    .faq-card.active .faq-toggle { transform: rotate(90deg); background: var(--color-green-700); color: #fff; }
    .faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
    .faq-a-inner { padding: 0 30px 24px; color: var(--muted); font-size: .95rem; }

    /* CTA */
    .cta-banner {
      background:
        radial-gradient(circle at 80% 20%, rgba(255,90,31,.24), transparent 35%),
        linear-gradient(135deg, var(--color-ink) 0%, var(--color-green-900) 100%);
      border-radius: 28px;
      color: #fff;
      padding: 56px 60px;
      position: relative;
      overflow: hidden;
      margin: 96px 0 0;
    }
    .cta-banner::after {
      content: "";
      position: absolute;
      right: -40px;
      bottom: -60px;
      width: 200px;
      height: 200px;
      border-radius: 50%;
      border: 28px solid rgba(255,255,255,.04);
    }
    .cta-banner h2 { font-size: 28px; font-weight: 800; margin-bottom: 10px; }
    .cta-banner p { color: rgba(255,255,255,.7); margin-bottom: 24px; max-width: 640px; }

    /* Footer */
    .footer {
      background: var(--color-green-900);
      color: rgba(255,255,255,.75);
      padding: 70px 0 0;
      margin-top: 96px;
      font-size: .92rem;
    }
    .footer-top {
      display: grid;
      grid-template-columns: 1.6fr 1fr 1fr;
      gap: 40px;
      padding-bottom: 46px;
      border-bottom: 1px solid rgba(255,255,255,.08);
    }
    .footer-brand { font-size: 1.4rem; font-weight: 800; color: #fff; margin-bottom: 12px; }
    .footer-brand span { display: block; font-size: .85rem; font-weight: 400; color: rgba(255,255,255,.45); margin-top: 4px; }
    .footer h5 { color: #fff; font-size: 1rem; font-weight: 700; margin-bottom: 16px; }
    .footer ul { list-style: none; padding: 0; margin: 0; }
    .footer ul li { padding: 4px 0; }
    .footer ul li a { color: rgba(255,255,255,.6); font-size: .9rem; }
    .footer ul li a:hover { color: var(--color-orange-300); }
    .footer-bottom {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 8px;
      padding: 22px 0;
      color: rgba(255,255,255,.4);
      font-size: .8rem;
    }
    .copyright-domain { font-size: .85rem; letter-spacing: .04em; }

    /* Shared page top */
    .notice-bar-top {
      position: relative;
      background: var(--color-ink);
      color: rgba(255,255,255,.72);
      font-size: .78rem;
      padding: 9px 0;
      text-align: center;
      border-bottom: 1px solid rgba(255,255,255,.06);
    }
    .notice-bar-top span { color: var(--color-orange-300); font-weight: 600; }

    .scroll-hint {
      position: absolute;
      bottom: 28px;
      left: 50%;
      transform: translateX(-50%);
      color: rgba(255,255,255,.5);
      font-size: 1.5rem;
      animation: floatArrow 2s ease-in-out infinite;
      z-index: 3;
    }
    @keyframes floatArrow {
      0%, 100% { transform: translate(-50%,0); }
      50% { transform: translate(-50%,10px); }
    }

    .section-bg-soft { background: #eef2ea; }

    .btn:focus, .btn-brand:focus, .nav-cta-btn:focus, a:focus-visible {
      outline: 2px solid var(--color-green-700);
      outline-offset: 4px;
      box-shadow: none;
    }

    /* Tables/cards hover */
    .icon-list { list-style: none; padding: 0; margin: 0; }
    .icon-list li { display: flex; gap: 12px; align-items: flex-start; padding: 8px 0; color: var(--text-body); }
    .icon-list li i { color: var(--color-green-700); font-size: 1.1rem; line-height: 1.6; }

    @media (min-width: 768px) {
      html { font-size: 16px; }
    }

    @media (max-width: 1199.98px) {
      .section { padding: 76px 0; }
      body { font-size: 16px; }
      .container-custom { max-width: 100%; }
    }

    @media (max-width: 991.98px) {
      .section { padding: 60px 0; }
      .section-title { font-size: 28px; }
      .category-hero { min-height: auto; padding: 160px 0 70px; }
      .category-hero h1 { font-size: 38px; }
      .navbar-collapse {
        background: var(--color-green-900);
        border-radius: 18px;
        margin-top: 16px;
        padding: 20px;
        box-shadow: 0 20px 40px -18px rgba(21,35,31,.6);
      }
      .navbar-nav { flex-direction: column !important; align-items: stretch; gap: 4px; }
      .navbar-nav .nav-link { padding: 12px 16px !important; }
      .nav-cta-btn { justify-content: center; margin-top: 10px; }
      .main-header { padding: 14px 0; }
      .main-header.scrolled { padding: 10px 0; }
      .navbar-brand { justify-content: flex-start; margin: 0; }
      .nav-side-left, .nav-side-right { width: 100%; }
      .nav-side-left .navbar-nav, .nav-side-right .navbar-nav { flex-direction: row; flex-wrap: wrap; justify-content: center; width: 100%; }
      .desktop-center-logo { order: -1; }
      .footer-top { grid-template-columns: 1fr 1fr; }
      .cta-banner { padding: 44px 30px; margin-top: 60px; border-radius: 22px; }
      .split-content { padding: 32px; }
      .split-media { min-height: 280px; }
    }

    @media (max-width: 767.98px) {
      .container-custom { padding: 0 18px; }
      .category-hero { padding: 150px 0 64px; }
      .category-hero h1 { font-size: 32px; }
      .hero-badge-row { gap: 10px; }
      .hero-badge { width: calc(50% - 10px); padding: 10px 12px; font-size: .78rem; }
      .hero-badge strong { font-size: 1.05rem; }
      .footer-top { grid-template-columns: 1fr; gap: 30px; }
      .btn-brand, .btn-ghost-light { padding: 12px 24px; width: 100%; }
      .hero-actions { flex-direction: column; align-items: stretch; }
      .feature-card { padding: 26px 20px; }
      .split-content h2 { font-size: 23px; }
      .section-title { font-size: 23px; }
      .faq-card .faq-q { padding: 16px 16px; }
      .faq-a-inner { padding: 0 18px 20px; }
      .navbar-brand { font-size: 1.15rem; }
      .brand-icon { width: 36px; height: 36px; }
      .nav-side-left .navbar-nav, .nav-side-right .navbar-nav { gap: 2px; }
      .navbar-nav .nav-link { font-size: .85rem; padding: 8px 10px !important; }
      .cta-banner h2 { font-size: 22px; }
      .process-card { padding: 22px; }
    }

    @media (max-width: 480px) {
      .section { padding: 52px 0; }
      .category-hero h1 { font-size: 28px; }
      .category-hero .hero-desc { font-size: .95rem; }
      .navbar-brand .brand-sub { display: none; }
      .footer-bottom { justify-content: center; text-align: center; }
      .footer-bottom span { width: 100%; }
    }

/* roulang page: article */
:root {
    --color-ink: #15231f;
    --color-green-900: #10362d;
    --color-green-700: #0d6b58;
    --color-green-100: #e6f0eb;
    --color-orange-500: #ff5a1f;
    --color-orange-300: #ffa052;
    --bg-warm: #f6f5ef;
    --white: #ffffff;
    --text-muted: #6b7a73;
    --border-light: #e5e1d2;
    --radius-lg: 18px;
    --radius-md: 12px;
    --radius-btn: 999px;
    --radius-input: 10px;
    --shadow-card: 0 1px 2px rgba(21, 35, 31, 0.04), 0 12px 28px -18px rgba(21, 35, 31, 0.18);
    --shadow-hover: 0 20px 40px -24px rgba(13, 107, 88, 0.28);
    --font-cn: "PingFang SC", "HarmonicOS Sans SC", "微软雅黑", system-ui, -apple-system, sans-serif;
    --font-num: "DIN Alternate", "Bahnschrift", "Roboto Condensed", "Arial Narrow", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: var(--font-cn);
    background: var(--bg-warm);
    color: var(--color-ink);
    font-size: 16px;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-green-700); text-decoration: none; transition: color .2s ease, opacity .2s ease; }
a:hover { color: var(--color-green-900); }
button, input, select, textarea { font-family: inherit; font-size: inherit; line-height: inherit; }
p { margin: 0 0 1em; }
h1, h2, h3, h4, h5, h6 { font-weight: 800; line-height: 1.35; margin: 0 0 .55em; }
:focus-visible { outline: 2px solid var(--color-green-700); outline-offset: 4px; }

.container-custom {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}
.container-article {
    width: 100%;
    max-width: 820px;
    margin: 0 auto;
    padding: 0 22px;
}
section { position: relative; }
.section-space { padding: 96px 0; }

.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1040;
    background: linear-gradient(180deg, rgba(16, 54, 45, 0.98) 0%, rgba(16, 54, 45, 0.94) 100%);
    transition: background .35s ease, box-shadow .35s ease;
}
.main-header.scrolled {
    background: rgba(16, 54, 45, 0.86);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    backdrop-filter: saturate(180%) blur(14px);
    box-shadow: 0 12px 30px -24px rgba(0, 0, 0, 0.5);
}
.top-ticker {
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-ink);
    color: rgba(255, 255, 255, 0.85);
    font-size: 13px;
    letter-spacing: 0.02em;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    padding: 0 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.top-ticker strong { color: var(--color-orange-300); font-weight: 700; margin: 0 4px; }
.main-header .navbar { padding-top: 0; padding-bottom: 0; min-height: 72px; }
.main-header .navbar-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    margin: 0;
    color: #fff;
    font-weight: 800;
    font-size: 22px;
    letter-spacing: .01em;
    line-height: 1.2;
    white-space: nowrap;
}
.navbar-brand .brand-icon {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--color-orange-500), var(--color-orange-300));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: #fff;
    box-shadow: 0 6px 14px -6px rgba(255, 90, 31, .55);
}
.navbar-brand .text-warning { color: var(--color-orange-300) !important; }
.navbar-brand .brand-sub {
    display: block;
    font-size: 11px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.55);
    letter-spacing: 0.06em;
    line-height: 1;
    margin-top: 2px;
}
.navbar-wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.main-header .navbar-nav { gap: 2px; }
.main-header .nav-link {
    color: rgba(255,255,255,.78);
    font-size: 15px;
    font-weight: 600;
    padding: 10px 14px !important;
    border-radius: var(--radius-btn);
    position: relative;
    transition: color .2s ease, background .2s ease;
}
.main-header .nav-link:hover,
.main-header .nav-link:focus { color: #fff; background: rgba(255,255,255,.08); }
.main-header .nav-link.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}
.main-header .nav-link.active::after {
    content: "";
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--color-orange-300);
    display: block;
    margin: 3px auto 0;
}
.nav-cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(90deg, var(--color-orange-500) 0%, var(--color-orange-300) 100%);
    border-radius: var(--radius-btn);
    color: #fff;
    padding: 9px 22px;
    font-weight: 700;
    font-size: 14px;
    box-shadow: 0 8px 20px -10px rgba(255, 90, 31, .6);
    white-space: nowrap;
    transition: transform .25s ease, box-shadow .25s ease;
}
.nav-cta-btn:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 12px 24px -8px rgba(255,90,31,.48); }
.main-header .navbar-toggler {
    border: 1px solid rgba(255,255,255,.25);
    color: #fff;
    background: rgba(255,255,255,.08);
    width: 44px;
    height: 40px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    padding: 0;
}
.main-header .navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(255,255,255,.2); }

/* ===== 页面主视觉 / 文章头部 ===== */
body { padding-top: 108px; }
.article-hero {
    background: linear-gradient(112deg, #0c2a24 0%, #10362d 46%, #0d6b58 100%);
    padding: 64px 0 45px;
    color: #fff;
    overflow: hidden;
}
.article-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(480px 220px at 85% 20%, rgba(255, 160, 82, .5), transparent 75%),
                linear-gradient(120deg, rgba(255,255,255,.02) 25%, transparent 25%) 0 0 / 28px 28px;
    opacity: .5;
    pointer-events: none;
}
.article-hero .container-custom, .article-hero .container-article { position: relative; z-index: 1; }
.article-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: rgba(255,255,255,.58);
    margin-bottom: 26px;
}
.article-breadcrumb a { color: rgba(255,255,255,.8); }
.article-breadcrumb a:hover { color: var(--color-orange-300); }
.article-breadcrumb .sep { color: rgba(255,255,255,.3); }
.hero-title {
    font-size: 38px;
    font-weight: 800;
    max-width: 900px;
    line-height: 1.35;
    text-wrap: balance;
}
.article-meta-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 18px 26px;
    color: rgba(255,255,255,.72);
    font-size: 14px;
    margin-top: 22px;
}
.article-meta-row .meta-item { display: inline-flex; align-items: center; gap: 7px; }
.article-meta-row i { color: var(--color-orange-300); }
.article-cat-pill {
    background: rgba(255,255,255,.15);
    border: 1px solid rgba(255,255,255,.22);
    border-radius: var(--radius-btn);
    padding: 3px 13px;
    font-size: 13px;
    font-weight: 600;
    color: #fff;
    display: inline-block;
}

/* ===== 单篇文章正文 ===== */
.article-single-section { padding: 72px 0 40px; }
.article-body {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: 54px 56px 46px;
}
.cms-article-content {
    font-size: 16.5px;
    line-height: 1.95;
    color: #22332c;
}
.cms-article-content h2 {
    font-size: 26px;
    color: var(--color-green-900);
    margin-top: 42px;
    margin-bottom: 20px;
    padding-left: 16px;
    border-left: 5px solid var(--color-orange-500);
    border-radius: 2px;
    line-height: 1.45;
}
.cms-article-content h3 {
    font-size: 21px;
    color: var(--color-green-700);
    background: var(--color-green-100);
    border-radius: 8px;
    padding: 6px 14px;
    margin-top: 30px;
    margin-bottom: 16px;
}
.cms-article-content p { margin-bottom: 20px; }
.cms-article-content a { font-weight: 600; border-bottom: 1px solid rgba(13,107,88,.25); }
.cms-article-content a:hover { border-color: transparent; }
.cms-article-content img {
    max-width: 100%;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    margin: 26px 0;
    border: 1px solid rgba(21,35,31,.08);
}
.cms-article-content blockquote {
    margin: 30px 0 32px;
    padding: 20px 24px;
    border-left: 4px solid var(--color-orange-500);
    background: #faf6ed;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    color: #3d4d46;
    font-size: 15.5px;
    line-height: 1.9;
}
.cms-article-content blockquote p:last-child { margin-bottom: 0; }
.cms-article-content ul, .cms-article-content ol {
    padding-left: 22px;
    margin: 18px 0 22px;
}
.cms-article-content li { margin-bottom: 8px; }
.cms-article-content table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    margin: 24px 0;
    box-shadow: 0 0 0 1px rgba(21,35,31,.08);
}
.cms-article-content th {
    background: var(--color-green-900);
    color: #fff;
    font-weight: 700;
    text-align: left;
    padding: 12px 16px;
}
.cms-article-content td {
    padding: 10px 16px;
    border-bottom: 1px solid rgba(21,35,31,.08);
}
.cms-article-content tr:last-child td { border-bottom: 0; }
.cms-article-content code {
    background: var(--color-green-100);
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 14px;
    color: var(--color-green-700);
}
.article-actions-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 46px;
    padding-top: 30px;
    border-top: 1px dashed var(--border-light);
}
.article-tags-label {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    font-size: 14px;
    color: var(--text-muted);
}
.tag-small {
    background: var(--color-green-100);
    color: var(--color-green-700);
    border-radius: 999px;
    padding: 4px 14px;
    font-size: 13px;
    font-weight: 600;
}
.ghost-green-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    border: 1.5px solid rgba(255,255,255,.6);
    background: transparent;
    border-radius: var(--radius-btn);
    color: #fff;
    padding: 10px 22px;
    font-weight: 700;
    font-size: 14px;
    transition: background .2s ease, border-color .2s ease, color .2s ease;
}
.ghost-green-btn:hover { background: rgba(255,255,255,.14); color: #fff; }
.ghost-green-btn .green { color: var(--color-orange-300); }
.action-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 1.5px solid var(--color-green-100);
    background: var(--color-green-100);
    color: var(--color-green-700);
    border-radius: var(--radius-btn);
    padding: 9px 20px;
    font-weight: 700;
    font-size: 14px;
    transition: all .2s ease;
}
.action-btn:hover { background: var(--color-green-700); border-color: var(--color-green-700); color: #fff; }
.action-btn i { font-size: 13px; }

/* 未找到 */
.not-found-box {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    text-align: center;
    padding: 70px 30px;
}
.not-found-box .icon-wrap {
    width: 88px;
    height: 88px;
    margin: 0 auto 20px;
    border-radius: 32px;
    background: var(--color-green-100);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-green-700);
    font-size: 34px;
}
.not-found-box h2 { color: var(--color-green-900); }
.not-found-box p { color: var(--text-muted); max-width: 460px; margin: 0 auto 28px; }
.btn-brand-orange {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: linear-gradient(90deg, var(--color-orange-500) 0%, var(--color-orange-300) 100%);
    color: #fff;
    padding: 12px 34px;
    border-radius: var(--radius-btn);
    font-weight: 700;
    transition: transform .2s ease, box-shadow .2s ease, opacity .2s ease;
}
.btn-brand-orange:hover { color: #fff; background: linear-gradient(90deg, var(--color-orange-500) 0%, var(--color-orange-300) 100%); transform: translateY(-2px); box-shadow: 0 10px 24px -8px rgba(255,90,31,.5); }
.btn-brand-orange:active { transform: translateY(0); box-shadow: 0 4px 12px -6px rgba(255,90,31,.5); }

/* ===== 相关文章 ===== */
.related-area { padding: 30px 0 70px; }
.section-label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--color-green-700);
    font-weight: 700;
    font-size: 14px;
    letter-spacing: .05em;
    margin-bottom: 10px;
}
.section-label::before {
    content: "";
    width: 4px;
    height: 18px;
    border-radius: 999px;
    background: var(--color-orange-500);
}
.related-heading {
    font-size: 30px;
    color: var(--color-green-900);
    font-weight: 800;
    margin-bottom: 12px;
}
.related-note { color: var(--text-muted); font-size: 15px; margin-bottom: 34px; }
.related-card {
    height: 100%;
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(21,35,31,.05);
    display: flex;
    flex-direction: column;
    transition: transform .3s ease, box-shadow .3s ease;
}
.related-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.related-card .thumb {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--color-green-100);
}
.related-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.related-card:hover .thumb img { transform: scale(1.05); }
.related-card .content { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.related-card h3 { font-size: 18px; font-weight: 700; color: var(--color-green-900); line-height: 1.5; margin-bottom: 10px; }
.related-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; flex: 1; margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-card .meta { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--text-muted); }
.related-card .meta .badge {
    background: var(--color-green-100);
    color: var(--color-green-700);
    border-radius: 999px;
    padding: 3px 12px;
    font-weight: 600;
}

/* ===== 底部 CTA ===== */
.cta-band {
    padding: 42px 0 78px;
}
.cta-card {
    background: linear-gradient(120deg, #10362d 0%, #0d6b58 65%, #0a7d62 100%);
    border-radius: 22px;
    padding: 46px 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 26px;
    color: #fff;
    box-shadow: 0 24px 50px -30px rgba(13,107,88,.7);
    overflow: hidden;
    position: relative;
}
.cta-card::after {
    content: "";
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255,160,82,.3), transparent 70%);
    right: -80px;
    top: -100px;
}
.cta-card h2 { font-size: 26px; margin-bottom: 6px; font-weight: 800; }
.cta-card p { color: rgba(255,255,255,.78); margin-bottom: 0; font-size: 15px; max-width: 560px; }
.cta-card .btn-brand-orange { position: relative; z-index: 2; flex-shrink: 0; }

/* ===== 页脚 ===== */
.footer {
    background: var(--color-green-900);
    color: rgba(255,255,255,.8);
    padding: 72px 0 0;
    margin-top: 20px;
}
.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 44px;
    padding-bottom: 44px;
    border-bottom: 1px solid rgba(255,255,255,.09);
}
.footer-brand {
    font-size: 24px;
    font-weight: 800;
    color: #fff;
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 10px;
    margin-bottom: 12px;
}
.footer-brand span {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-orange-300);
    background: rgba(255,255,255,.08);
    border-radius: 999px;
    padding: 4px 12px;
}
.footer h5 {
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 18px;
}
.footer ul { list-style: none; margin: 0; padding: 0; }
.footer ul li { margin-bottom: 10px; }
.footer ul a { color: rgba(255,255,255,.64); font-size: 14px; transition: color .2s ease, padding-left .2s ease; }
.footer ul a:hover { color: #fff; padding-left: 5px; }
.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 8px 22px;
    padding: 22px 0;
    font-size: 13px;
    color: rgba(255,255,255,.38);
    letter-spacing: .02em;
}
.footer-bottom .copyright-domain {
    color: rgba(255,255,255,.32);
    font-family: var(--font-num);
    letter-spacing: .04em;
}
@media (min-width: 768px) {
    .footer-top { grid-template-columns: 1.4fr 1fr 1fr; }
}

/* ===== Bootstrap / Bootstrap 图标修正 ===== */
.bi { line-height: 1; }
.navbar-collapse { align-items: center; flex-grow: 0; }
@media (max-width: 991.98px) {
    body { padding-top: 96px; }
    .top-ticker { display: none; }
    .navbar-collapse {
        padding: 16px 0 12px;
    }
    .navbar-wrap { gap: 10px; }
    .main-header .navbar { min-height: 60px; }
    .navbar-brand { font-size: 19px; }
    .navbar-brand .brand-icon { width: 32px; height: 32px; font-size: 15px; border-radius: 10px; }
    .navbar-wrap { flex-direction: column; align-items: stretch; width: 100%; }
    .nav-side-left, .nav-side-right { width: 100%; }
    .main-header .navbar-nav {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        width: 100%;
    }
    .nav-cta-btn { margin-top: 10px; width: 100%; justify-content: center; }
    .main-header .navbar-brand.desktop-center-logo { align-self: center; margin-right: 0; }
}

@media (max-width: 767.98px) {
    body { font-size: 15px; }
    .section-space { padding: 64px 0; }
    .container-custom { padding: 0 18px; }
    .container-article { padding: 0 16px; }
    .article-single-section { padding: 46px 0 28px; }
    .article-body { padding: 30px 22px; }
    .article-hero { text-align: center; }
    .article-breadcrumb { justify-content: center; }
    .hero-title { font-size: 26px; line-height: 1.45; }
    .article-meta-row { justify-content: center; gap: 10px 18px; font-size: 13px; }
    .article-actions-bar { justify-content: center; text-align: center; }
    .cta-card { flex-direction: column; align-items: flex-start; padding: 30px 24px; text-align: left; }
    .cta-card h2 { font-size: 22px; }
    .cta-card .btn-brand-orange { width: 100%; justify-content: center; }
    .footer-top { grid-template-columns: 1fr; gap: 30px; }
    .related-card { margin-bottom: 8px; }
    .related-heading { font-size: 24px; }
}

@media (max-width: 520px) {
    .navbar-brand { font-size: 17px; }
    .navbar-brand .brand-icon { width: 28px; height: 28px; font-size: 13px; }
    .article-body { padding: 24px 18px; border-radius: 14px; }
    .cms-article-content h2 { font-size: 22px; }
    .cms-article-content h3 { font-size: 18px; }
    .cms-article-content { font-size: 15px; line-height: 1.95; }
    .footer-bottom { justify-content: flex-start; gap: 6px 14px; }
}

/* roulang page: category2 */
:root{
  --color-ink:#15231f;
  --color-green-900:#10362d;
  --color-green-700:#0d6b58;
  --color-green-100:#e6f0eb;
  --color-orange-500:#ff5a1f;
  --color-orange-300:#ffa052;
  --bg-warm:#f6f5ef;
  --white:#ffffff;
  --border-soft:#efe9dc;
  --border-line:#ddd8ca;
  --text-deep:#15231f;
  --text-weak:rgba(21,35,31,.66);
  --shadow-card:0 1px 2px rgba(21,35,31,.04),0 12px 28px -18px rgba(21,35,31,.18);
  --shadow-card-hover:0 20px 40px -24px rgba(13,107,88,.28);
  --shadow-btn-orange:0 8px 24px -8px rgba(255,90,31,.5);
  --radius-card:18px;
  --radius-medium:12px;
  --radius-control:10px;
  --transition-base:all .3s ease;
}
*{box-sizing:border-box}
html{font-size:16px}
body{
  margin:0;
  font-family:"PingFang SC","HarmonicOS Sans SC","微软雅黑",system-ui,sans-serif;
  background:var(--bg-warm);
  color:var(--text-deep);
  font-size:1rem;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit}
a:hover{color:inherit}
img{max-width:100%;display:block}
ul,ol,dl,dd{margin:0;padding:0}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;color:var(--text-deep)}
p{margin:0}
.container-custom{width:calc(100% - 48px);max-width:1240px;margin:0 auto}
@media (max-width:768px){.container-custom{width:calc(100% - 32px)}}

/* 数字字体 */
.num-font,.display-num,.stat-value,.data-num{border-radius:8px;font-family:"DIN Alternate","Bahnschrift","Roboto Condensed","Arial Narrow",sans-serif}

/* 主头导航 */
.main-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1080;
  padding:14px 0 10px;
  transition:background .35s ease,box-shadow .35s ease,padding .35s ease;
  background:transparent;
}
.main-header.is-sticky{
  background:rgba(16,54,45,.82);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  backdrop-filter:saturate(180%) blur(14px);
  box-shadow:0 6px 24px -18px rgba(0,0,0,.4);
  padding:7px 0;
}
.main-header .navbar{padding:0;min-height:56px}
.main-header .navbar-collapse{transition:all .3s ease}
.main-header .navbar-toggler{border:0;color:#fff;font-size:1.8rem;line-height:1;padding:0 6px;box-shadow:none}
.navbar-wrap{display:flex;align-items:center;justify-content:space-between;flex-direction:row}
.nav-side-left,.nav-side-right{display:flex;align-items:center}
.navbar-nav{display:flex;align-items:center;gap:6px}
.main-header .nav-link{
  position:relative;
  color:rgba(255,255,255,.86);
  font-size:.95rem;
  font-weight:400;
  padding:8px 12px !important;
  border-radius:999px;
  transition:color .25s ease,background .25s ease;
  white-space:nowrap;
}
.main-header .nav-link:hover{color:#fff;background:rgba(255,255,255,.1)}
.main-header .nav-link.active{
  color:#fff;
  background:rgba(255,255,255,.08);
  font-weight:500;
}
.main-header .nav-link.active::after{
  content:"";
  display:inline-block;
  width:6px;height:6px;
  margin-left:7px;
  border-radius:50%;
  background:var(--color-orange-500);
  box-shadow:0 0 0 3px rgba(255,90,31,.25);
  vertical-align:middle;
}
.navbar-brand{
  color:#fff;
  font-size:1.24rem;
  font-weight:700;
  letter-spacing:.01em;
  line-height:1.2;
  display:flex;
  align-items:center;
  gap:10px;
  padding:0 18px;
  width:auto;
}
.navbar-brand .brand-icon{
  width:40px;height:40px;
  border-radius:50%;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.25);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:1.1rem;
  color:#fff;
  flex:0 0 40px;
}
.navbar-brand .brand-sub{
  display:block;
  font-size:.68rem;
  color:rgba(255,255,255,.55);
  font-weight:400;
  letter-spacing:.12em;
  text-transform:uppercase;
  margin-top:-2px;
}
.text-warning{color:var(--color-orange-300) !important}
.nav-cta-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(120deg,var(--color-orange-500),var(--color-orange-300));
  color:#fff;
  border-radius:999px;
  font-size:.95rem;
  font-weight:500;
  padding:9px 22px;
  white-space:nowrap;
  line-height:1.4;
  box-shadow:var(--shadow-btn-orange);
  transition:transform .25s ease,box-shadow .25s ease;
  border:0;
}
.nav-cta-btn:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px -9px rgba(255,90,31,.55)}
.nav-cta-btn:active{transform:translateY(0)}
@media (max-width:991.98px){
  .main-header{background:rgba(16,54,45,.94)}
  .main-header .navbar-collapse{
    margin-top:8px;
    background:var(--color-green-900);
    border-radius:16px;
    padding:18px 16px 14px;
    box-shadow:0 26px 50px -28px #000;
  }
  .navbar-wrap{align-items:flex-start !important;flex-direction:column !important}
  .nav-side-left,.nav-side-right{width:100%;flex-direction:column;align-items:stretch}
  .main-header .navbar-nav{width:100%;flex-direction:column;align-items:stretch;gap:2px}
  .main-header .nav-link{display:block;padding:10px 14px !important}
  .nav-cta-btn{margin-left:0 !important;margin-top:10px;width:100%}
  .navbar-brand{padding:0 0 14px;margin:0 0 10px;border-bottom:1px solid rgba(255,255,255,.14)}
}

/* Footer */
.footer{
  background:var(--color-green-900);
  color:rgba(255,255,255,.76);
  padding:64px 0 26px;
  margin-top:0;
}
.footer-top{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr;
  gap:48px;
  padding-bottom:42px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{
  font-size:1.28rem;
  color:#fff;
  font-weight:700;
  margin-bottom:14px;
}
.footer-brand span{
  font-weight:400;
  font-size:.9rem;
  color:rgba(255,255,255,.7);
  margin-left:6px;
}
.footer h5{
  color:#fff;
  font-size:1rem;
  margin:0 0 16px;
  letter-spacing:.02em;
}
.footer ul{list-style:none;margin:0;padding:0}
.footer ul li{margin-bottom:10px}
.footer ul a{
  color:rgba(255,255,255,.62);
  font-size:.9rem;
  transition:color .2s ease,padding-left .2s ease;
}
.footer ul a:hover{color:var(--color-orange-300);padding-left:4px}
.footer-bottom{
  padding-top:20px;
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  align-items:center;
  font-size:.82rem;
  color:rgba(255,255,255,.46);
}
.copyright-domain{opacity:.62}
@media (max-width:768px){
  .footer{padding:48px 0 24px}
  .footer-top{grid-template-columns:1fr;gap:30px;padding-bottom:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}

/* 板块通用标题 */
.section{
  padding:96px 0;
}
@media (max-width:768px){.section{padding:56px 0}}
.section-head{
  margin-bottom:48px;
}
.section-head h2{
  font-size:clamp(26px,3vw,34px);
}
.section-head p{color:var(--text-weak);font-size:1rem;margin-top:10px;max-width:720px}
.sec-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--color-green-700);
  font-weight:500;
  font-size:.92rem;
  margin-bottom:10px;
}
.sec-kicker::before{
  content:'';
  width:16px;height:4px;
  border-radius:999px;
  background:linear-gradient(90deg,var(--color-green-700),var(--color-orange-500));
  display:inline-block;
}

/* Hero */
.category-hero{
  position:relative;
  background:linear-gradient(90deg,#10362d 0%,rgba(16,54,45,.88) 50%,rgba(21,35,31,.58) 100%),url('/assets/images/backpic/back-2.png') no-repeat center/cover;
  color:#fff;
  padding:182px 0 92px;
  overflow:hidden;
}
.category-hero::after{
  content:'';
  position:absolute;
  width:300px;height:300px;
  right:-130px;top:20px;
  background:radial-gradient(circle,rgba(255,90,31,.28),transparent 70%);
  pointer-events:none;
}
.breadcrumb-top{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:.86rem;
  color:rgba(255,255,255,.62);
  margin-bottom:22px;
}
.breadcrumb-top a{color:rgba(255,255,255,.6);transition:color .2s}
.breadcrumb-top a:hover{color:#fff}
.breadcrumb-top i{font-size:.6rem;color:rgba(255,255,255,.4)}
.hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.14);
  padding:7px 16px;
  border-radius:999px;
  font-size:.84rem;
  color:rgba(255,255,255,.85);
  margin-bottom:18px;
}
.hero-kicker i{color:var(--color-orange-300)}
.category-hero h1{
  color:#fff;
  font-size:clamp(38px,5vw,56px);
  margin-bottom:14px;
  letter-spacing:.01em;
}
.category-hero .hero-desc{
  font-size:1.05rem;
  color:rgba(255,255,255,.82);
  max-width:680px;
  line-height:1.9;
  margin-bottom:32px;
}
.hero-meta-line{
  display:flex;
  flex-wrap:wrap;
  gap:13px;
}
.hero-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  border-radius:999px;
  padding:8px 16px;
  font-size:.88rem;
  color:#fff;
}
.hero-chip i{color:var(--color-orange-300)}
.hero-visual-card{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.13);
  border-radius:22px;
  padding:34px 26px;
  min-height:260px;
  backdrop-filter:blur(6px);
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  box-shadow:0 40px 80px -48px rgba(0,0,0,.7);
  transform:rotate(.7deg);
  position:relative;
}
.hero-visual-card .shield-oval{
  width:84px;height:84px;
  border-radius:24px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.2);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:2.4rem;
  color:var(--color-orange-300);
  margin-bottom:22px;
}
@media (max-width:991px){
  .category-hero{padding:142px 0 64px}
  .hero-visual-card{margin-top:36px;transform:none;min-height:auto}
}

/* stats band */
.hero-bottom-band{
  position:relative;
  margin-top:-1px;
  background:linear-gradient(180deg,var(--bg-warm),#f6f5ef);
  padding:42px 0 0;
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
  margin-bottom:0;
}
@media (max-width:768px){.stat-grid{grid-template-columns:1fr 1fr;gap:16px}}
@media (max-width:480px){.stat-grid{grid-template-columns:1fr}}
.stat-card{
  background:var(--white);
  border-radius:16px;
  border:1px solid rgba(21,35,31,.06);
  padding:24px 22px;
  box-shadow:var(--shadow-card);
  display:flex;
  gap:14px;
  align-items:center;
  transition:transform .25s ease,box-shadow .25s;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card-hover)}
.stat-card .stat-icon{
  width:46px;height:46px;
  border-radius:14px;
  background:var(--color-green-100);
  color:var(--color-green-700);
  display:flex;
  align-items:center;justify-content:center;
  font-size:1.2rem;
}
.stat-value{
  color:var(--color-orange-500);
  font-size:1.65rem;
  font-weight:700;
  line-height:1.1;
}
.stat-label{color:var(--text-weak);font-size:.86rem}
@media (max-width:991px){
  .category-hero h1{font-size:2.4rem}
}

/* 安全防线三卡 */
.feature-card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:28px;
}
@media (max-width:991px){.feature-card-grid{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.feature-card-grid{grid-template-columns:1fr}}
.feature-card{
  background:var(--white);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  padding:34px 30px 32px;
  transition:transform .3s ease-in-out,box-shadow .3s ease-in-out;
  position:relative;
  overflow:hidden;
}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-card-hover)}
.feature-card .corner-mark{
  position:absolute;
  top:14px;right:-1px;
  font-size:.78rem;
  color:rgba(21,35,31,.45);
  padding-right:19px;
}
.feature-card .feature-icon{
  width:62px;height:62px;
  border-radius:18px;
  font-size:1.8rem;
  background:linear-gradient(135deg,var(--color-green-100),#dfeae4);
  color:var(--color-green-700);
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:24px;
}
.feature-card h3{
  font-size:1.2rem;
  margin-bottom:14px;
  letter-spacing:.01em;
}
.feature-card p{color:var(--text-weak);font-size:.95rem;margin-bottom:18px}
.feature-tags{display:flex;flex-wrap:wrap;gap:8px}
.feature-tags span{
  display:inline-block;
  background:var(--color-green-100);
  color:var(--color-green-700);
  border-radius:999px;
  font-size:.77rem;
  padding:3px 12px;
  border:1px solid rgba(13,107,88,.08);
}
.feature-card .tag-hot{
  background:rgba(255,90,31,.1);
  color:var(--color-orange-500);
  border-color:rgba(255,90,31,.18);
}
@media (max-width:991px){.feature-card{padding:28px 24px}}

/* 图文双栏 */
.split-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
@media (max-width:991px){.split-row{grid-template-columns:1fr;gap:34px}}
.split-media{
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--shadow-card);
  border:1px solid rgba(255,255,255,.4);
  position:relative;
  min-height:340px;
  background:#ddd8ca;
}
.split-media img{width:100%;height:auto;display:block;min-height:340px;object-fit:cover}
.split-media::after{
  content:'';
  position:absolute;
  inset:0;
  pointer-events:none;
  border-radius:20px;
  border:1px solid rgba(255,255,255,.35);
}
.split-copy h3{
  margin-bottom:22px;
  font-size:clamp(22px,2.4vw,28px);
}
.split-copy ul{list-style:none;margin-top:0}
.split-copy li{
  margin-bottom:14px;
  font-size:.95rem;
  color:var(--text-deep);
  padding-left:30px;
  position:relative;
}
.split-copy li::before{
  content:"\F26E";
  font-family:"bootstrap-icons" !important;
  font-style:normal;
  font-weight:normal !important;
  color:var(--color-green-700);
  position:absolute;
  left:0;
  top:1px;
  font-size:1rem;
}
.split-note{
  background:var(--color-green-100);
  border-left:4px solid var(--color-orange-500);
  padding:15px 18px;
  border-radius:8px;
  color:var(--color-green-900);
  margin-top:22px;
  font-size:.9rem;
}

/* 安全流程 */
.safe-process{
  background:var(--color-ink);
  color:#fff;
}
.safe-process .section-head h2{color:#fff}
.safe-process .section-head p{color:rgba(255,255,255,.62)}
.safe-process .sec-kicker{color:var(--color-orange-300)}
.process-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
@media (max-width:991px){.process-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.process-grid{grid-template-columns:1fr}}
.process-item{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.1);
  border-radius:18px;
  padding:27px 22px;
  position:relative;
  transition:transform .25s ease,border-color .25s;
}
.process-item:hover{transform:translateY(-4px);border-color:rgba(255,90,31,.45)}
.process-no{
  color:var(--color-orange-500);
  font-size:2rem;
  font-weight:700;
  line-height:1;
  font-family:"DIN Alternate","Bahnschrift",sans-serif;
  opacity:.9;
  margin-bottom:18px;
  display:block;
}
.process-item h4{color:#fff;font-size:1.02rem;margin-bottom:12px}
.process-item p{color:rgba(255,255,255,.58);font-size:.86rem}
.process-arrow{
  display:inline-block;
  color:var(--color-orange-300);
  font-size:1rem;
  margin-top:19px;
}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
  background:var(--white);
  border:1px solid rgba(21,35,31,.07);
  border-radius:16px;
  box-shadow:0 1px 2px rgba(21,35,31,.03);
  margin-bottom:16px;
  overflow:hidden;
  transition:background .35s ease;
}
.faq-item:has(.accordion-button:not(.collapsed)){
  background:linear-gradient(120deg,var(--color-green-100),#fff 70%);
  border-color:rgba(13,107,88,.2);
}
.accordion-button{
  width:100%;
  background:transparent;
  border:0;
  font-size:1rem;
  font-weight:500;
  color:var(--text-deep);
  padding:20px 24px;
  text-align:left;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  transition:color .2s ease;
}
.accordion-button:not(.collapsed){color:var(--color-green-700);font-weight:600}
.accordion-button i{
  flex:0 0 auto;
  width:28px;height:28px;
  border-radius:50%;
  background:var(--color-green-100);
  color:var(--color-green-700);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:.78rem;
  transition:transform .3s ease;
}
.accordion-button:not(.collapsed) i{transform:rotate(90deg)}
.faq-answer{
  padding:6px 24px 24px;
  color:var(--text-weak);
  font-size:.92rem;
  border-top:1px solid rgba(13,107,88,.1);
  margin-top:2px;
}
.faq-answer div{padding-top:16px}
@media (max-width:640px){
  .accordion-button{padding:17px 18px}
  .faq-answer{padding:4px 18px 20px}
}

/* 浅底安全清单 */
.checklist-block{
  background:#ebefe8;
  border-radius:20px;
  padding:26px 28px;
}
.checklist-block li{
  font-size:.92rem;
  padding:11px 0 11px 40px;
  position:relative;
  border-bottom:1px dashed rgba(21,35,31,.12);
}
.checklist-block li:last-child{border-bottom:0}
.checklist-block li::before{
  content:"\F633";
  font-family:"bootstrap-icons" !important;
  position:absolute;
  left:0;top:11px;
  color:var(--color-orange-500);
  font-size:1.09rem;
}

/* CTA */
.cta-panel{
  background:linear-gradient(120deg,#10362d 0%,#0d6b58 100%);
  border-radius:26px;
  padding:62px 60px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:30px;
  position:relative;
  overflow:hidden;
}
.cta-panel::before{
  content:'';
  position:absolute;
  right:-50px;top:-50px;
  width:190px;height:190px;
  border-radius:50%;
  background:rgba(255,90,31,.16);
}
.cta-panel h3{
  color:#fff;
  font-size:clamp(24px,3vw,32px);
  margin-bottom:8px;
}
.cta-panel p{color:rgba(255,255,255,.72);max-width:560px}
.btn-orange-glow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  background:linear-gradient(120deg,var(--color-orange-500),var(--color-orange-300));
  color:#fff;
  border:0;
  border-radius:999px;
  font-weight:500;
  font-size:1rem;
  padding:14px 34px;
  box-shadow:var(--shadow-btn-orange);
  transition:all .25s ease;
  white-space:nowrap;
}
.btn-orange-glow:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px -10px rgba(255,90,31,.65)}
.btn-orange-glow:active{transform:translateY(1px)}
.btn-outline-green{
  display:inline-flex;
  align-items:center;
  gap:9px;
  background:transparent;
  color:var(--color-green-700);
  border:1px solid var(--color-green-700);
  border-radius:999px;
  font-weight:500;
  font-size:.95rem;
  padding:12px 28px;
  transition:all .25s ease;
}
.btn-outline-green:hover{
  background:var(--color-green-100);
}
.btn-light-pill{
  display:inline-flex;
  align-items:center;
  gap:10px;
  background:#fff;
  color:var(--color-green-900);
  border:0;
  border-radius:999px;
  font-weight:600;
  padding:13px 30px;
  box-shadow:0 16px 28px -20px rgba(0,0,0,.5);
  transition:all .25s ease;
}
.btn-light-pill:hover{color:var(--color-orange-500);transform:translateY(-2px)}
@media (max-width:900px){
  .cta-panel{flex-direction:column;align-items:flex-start;padding:42px 30px}
}
@media (max-width:520px){
  .cta-panel{padding:32px 22px}
  .btn-orange-glow,.btn-light-pill{width:100%;justify-content:center}
}
.cta-back{
  display:flex;
  justify-content:center;
  gap:17px;
  flex-wrap:wrap;
  margin-top:16px;
}
@media (max-width:480px){.cta-back .btn-outline-green{width:100%;justify-content:center}}

/* focus可访问性 */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible{
  outline:2px solid var(--color-green-700);
  outline-offset:4px;
}
@media (max-width:480px){
  html{font-size:14px}
}

/* roulang page: category3 */
:root {
  --color-ink: #15231f;
  --color-green-900: #10362d;
  --color-green-800: #0c4d3e;
  --color-green-700: #0d6b58;
  --color-green-600: #118068;
  --color-green-100: #e6f0eb;
  --color-green-050: #f1f7f3;
  --color-orange-500: #ff5a1f;
  --color-orange-400: #ff6b3d;
  --color-orange-300: #ffa052;
  --bg-warm: #f6f5ef;
  --white: #ffffff;
  --text-soft: #6f7a75;
  --text-muted: #9aa4a0;
  --border-line: #e5e1d2;
  --card-radius: 18px;
  --img-radius: 12px;
  --btn-radius: 999px;
  --field-radius: 10px;
  --shadow-sm: 0 1px 2px rgba(21,35,31,0.04), 0 12px 28px -18px rgba(21,35,31,0.18);
  --shadow-card: 0 18px 38px -22px rgba(13,107,88,0.25), 0 4px 12px rgba(21,35,31,0.04);
  --shadow-hover: 0 22px 40px -20px rgba(13,107,88,0.32), 0 6px 14px rgba(21,35,31,0.04);
  --shadow-glow: 0 10px 24px -8px rgba(255,90,31,0.42);
  --ease: all 0.25s ease;
}
html {
  font-size: 16px;
}
@media (max-width: 767px) {
  html { font-size: 15px; }
}
@media (max-width: 320px) {
  html { font-size: 14px; }
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--bg-warm);
  color: var(--color-ink);
  font-family: "PingFang SC", "HarmonicOS Sans SC", "HarmonicOS Sans", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  line-height: 1.8;
  text-rendering: optimizeLegibility;
}
img {
  max-width: 100%;
}
a {
  color: var(--color-green-700);
  text-decoration: none;
  transition: var(--ease);
}
a:hover {
  color: var(--color-green-600);
}
.container-custom {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}
@media (min-width: 1200px) {
  .container-custom {
    padding-left: 28px;
    padding-right: 28px;
  }
}
.text-warning {
  color: var(--color-orange-300) !important;
}
.btn {
  border-radius: var(--btn-radius);
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: var(--ease);
}
.btn:focus,
.btn:focus-visible {
  box-shadow: none;
  outline: 2px solid var(--color-green-700);
  outline-offset: 4px;
}
.btn-primary-gradient {
  background: linear-gradient(120deg, var(--color-orange-500), var(--color-orange-300));
  border: 0;
  color: #fff;
  padding: 12px 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: var(--shadow-glow);
}
.btn-primary-gradient:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 14px 28px -8px rgba(255,90,31,0.55);
}
.btn-primary-gradient:active {
  transform: translateY(1px);
  box-shadow: 0 8px 18px -8px rgba(255,90,31,0.5);
}
.btn-outline-ghost-light {
  border: 1px solid rgba(255,255,255,0.65);
  background: transparent;
  color: #fff;
  padding: 12px 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.btn-outline-ghost-light:hover {
  background: rgba(255,255,255,0.12);
  color: #fff;
  border-color: #fff;
}
.btn-outline-ghost-dark {
  border: 1px solid rgba(21,35,31,0.24);
  background: transparent;
  color: var(--color-ink);
  padding: 11px 27px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.btn-outline-ghost-dark:hover {
  border-color: var(--color-green-700);
  color: var(--color-green-700);
  background: var(--color-green-050);
}
.section-title {
  position: relative;
  padding-left: 16px;
  margin-bottom: 20px;
}
.section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.12em;
  width: 4px;
  height: 1.1em;
  background: linear-gradient(180deg, var(--color-green-700), var(--color-orange-500));
  border-radius: 999px;
}
.section-title h2 {
  font-size: clamp(1.35rem, 2.6vw, 1.85rem);
  font-weight: 800;
  line-height: 1.3;
  margin: 0;
}
.section-title p {
  margin: 8px 0 0;
  color: var(--text-soft);
  font-size: 0.95rem;
}

/* ===== Header / Nav ===== */
.main-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: rgba(16,54,45,0.96);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.main-header .navbar {
  min-height: 74px;
  padding: 8px 0;
}
.navbar-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 999px;
  padding: 8px 20px;
  transition: var(--ease);
  flex-wrap: wrap;
  line-height: 1.2;
}
.navbar-brand:hover {
  background: rgba(255,255,255,0.1);
}
.navbar-brand .brand-icon {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(140deg, rgba(255,90,31,0.9), rgba(255,160,82,0.8));
  border-radius: 10px;
  color: #fff;
  font-size: 0.95rem;
}
.navbar-brand > span:not(.brand-sub) {
  color: #fff;
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: 0.01em;
}
.navbar-brand .brand-sub {
  color: rgba(255,255,255,0.52);
  font-size: 0.7rem;
  width: 100%;
  text-align: center;
  letter-spacing: 0.08em;
}
.navbar-nav .nav-link {
  color: rgba(255,255,255,0.82);
  font-size: 0.92rem;
  font-weight: 500;
  position: relative;
  padding: 10px 14px;
  white-space: nowrap;
}
.navbar-nav .nav-link:hover {
  color: #fff;
}
.navbar-nav .nav-link.active {
  color: var(--color-orange-300);
}
.navbar-nav .nav-link.active::after {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--color-orange-400);
  border-radius: 50%;
  margin-left: 6px;
  vertical-align: middle;
}
.nav-cta-btn {
  background: linear-gradient(120deg, var(--color-orange-500), var(--color-orange-300));
  color: #fff;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 6px 18px -6px rgba(255,90,31,0.55);
  white-space: nowrap;
}
.nav-cta-btn:hover {
  color: #fff;
  transform: translateY(-1px);
}
.navbar-toggler {
  border: 0;
  color: #fff;
  font-size: 1.4rem;
  padding: 4px 6px;
  box-shadow: none !important;
  background: transparent !important;
}
.navbar-toggler:focus {
  outline: 2px solid var(--color-orange-300);
  outline-offset: 4px;
}
@media (max-width: 991.98px) {
  .navbar-collapse {
    background: var(--color-green-900);
    border-radius: 0 0 18px 18px;
    padding: 14px 8px 24px;
    margin-top: 10px;
    box-shadow: 0 20px 40px -20px rgba(21,35,31,0.6);
  }
  .navbar-nav .nav-link {
    color: rgba(255,255,255,0.85);
  }
  .navbar-wrap {
    gap: 10px;
  }
  .navbar-brand {
    margin: 0 auto;
  }
}
@media (min-width: 992px) {
  .navbar-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
  }
  .nav-side-left,
  .nav-side-right {
    flex: 1;
    display: flex;
  }
  .nav-side-left {
    justify-content: flex-start;
  }
  .nav-side-right {
    justify-content: flex-end;
  }
  .navbar-brand {
    width: auto;
    max-width: 280px;
    margin-left: 12px;
    margin-right: 12px;
  }
}

/* ===== Footer ===== */
.footer {
  background: linear-gradient(135deg, #0b3026, #0f2f26);
  color: rgba(255,255,255,0.72);
  padding: 58px 0 22px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 12px;
}
.footer-brand span {
  font-size: 0.82rem;
  color: var(--color-orange-300);
  letter-spacing: 0.04em;
}
.footer h5 {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 14px;
}
.footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer ul a {
  color: rgba(255,255,255,0.64);
  font-size: 0.85rem;
}
.footer ul a:hover {
  color: #fff;
}
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  padding-top: 22px;
  gap: 12px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.38);
}
.copyright-domain {
  color: rgba(255,255,255,0.5);
}
@media (max-width: 768px) {
  .footer-top {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .footer-bottom {
    flex-direction: column;
    justify-content: flex-start;
  }
}

/* ===== Category Hero ===== */
.category-hero {
  position: relative;
  padding: 128px 0 72px;
  background:
    linear-gradient(to right, rgba(16,54,45,0.96), rgba(21,35,31,0.72)),
    url('/assets/images/backpic/back-3.webp') center center / cover no-repeat;
  color: #fff;
  overflow: hidden;
}
.category-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 6px;
  background: repeating-linear-gradient(90deg, var(--color-orange-500) 0, var(--color-orange-500) 40px, transparent 40px, transparent 80px);
  opacity: 0.85;
}
.breadcrumb-line {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.55);
  font-size: 0.84rem;
  margin-bottom: 26px;
}
.breadcrumb-line a {
  color: rgba(255,255,255,0.72);
}
.breadcrumb-line a:hover {
  color: var(--color-orange-300);
}
.breadcrumb-line .sep {
  color: rgba(255,255,255,0.3);
}
.breadcrumb-line em {
  color: #fff;
  font-style: normal;
  font-weight: 500;
}
.hero-title {
  font-size: clamp(2rem, 4.2vw, 3rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 14px;
}
.hero-title .dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  background: var(--color-orange-400);
  border-radius: 50%;
  margin-left: 10px;
}
.hero-lead {
  max-width: 720px;
  color: rgba(255,255,255,0.82);
  font-size: 1rem;
  margin-bottom: 28px;
  line-height: 1.9;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.hero-score-placeholder {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 18px;
  backdrop-filter: blur(8px);
  padding: 22px 20px;
  color: #fff;
}
.hero-score-placeholder .placeholder-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 16px;
}
.placeholder-match {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.placeholder-match:last-child {
  border-bottom: 0;
}
.placeholder-team {
  font-weight: 600;
  font-size: 0.95rem;
}
.placeholder-value {
  color: var(--color-orange-300);
  font-family: "DIN Alternate", Bahnschrift, "Roboto Condensed", "Arial Narrow", sans-serif;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.05em;
}
@media (max-width: 768px) {
  .category-hero {
    padding: 110px 0 56px;
  }
  .hero-actions .btn {
    width: 100%;
  }
}

/* ===== Category Intro band ===== */
.category-intro {
  position: relative;
  z-index: 2;
  background: var(--white);
  border: 1px solid var(--border-line);
  border-radius: var(--card-radius);
  box-shadow: var(--shadow-sm);
  padding: 30px;
  margin: -30px auto 0;
  max-width: 1120px;
  display: flex;
  align-items: flex-start;
  gap: 18px;
}
.category-intro i {
  font-size: 1.7rem;
  color: var(--color-green-700);
  background: var(--color-green-100);
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 52px;
}
.category-intro .intro-text p {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.93rem;
  line-height: 1.85;
}
.category-intro .intro-text strong {
  color: var(--color-ink);
  display: block;
  font-size: 1.02rem;
  margin-bottom: 4px;
}
@media (max-width: 600px) {
  .category-intro {
    margin-top: 0;
    padding: 22px;
    flex-direction: column;
    border-radius: 14px;
  }
}

/* ===== Section ===== */
.section-block {
  padding: 88px 0;
}
.section-block-sm {
  padding: 60px 0;
}
@media (max-width: 992px) {
  .section-block { padding: 72px 0; }
}
@media (max-width: 600px) {
  .section-block { padding: 56px 0; }
  .section-block-sm { padding: 44px 0; }
}
.soft-bg {
  background: var(--color-green-050);
}
.base-bg {
  background: var(--bg-warm);
}

/* ===== Feature 3 Cards ===== */
.feature-card {
  background: var(--white);
  border: 1px solid var(--border-line);
  border-radius: var(--card-radius);
  box-shadow: var(--shadow-sm);
  padding: 30px 26px;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(13,107,88,0.25);
}
.feature-card .feature-icon {
  width: 54px;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--color-green-100), rgba(255,160,82,0.18));
  color: var(--color-green-700);
  font-size: 1.5rem;
  margin-bottom: 18px;
}
.feature-card h3 {
  font-size: 1.08rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.feature-card p {
  color: var(--text-soft);
  font-size: 0.9rem;
  margin-bottom: 18px;
  flex: 1;
}
.feature-card .feature-extra {
  font-size: 0.82rem;
  color: var(--color-green-700);
}
.feature-card .feature-extra i {
  margin-right: 4px;
}

/* ===== Split intro ===== */
.split-media {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  position: relative;
  height: 100%;
  min-height: 280px;
}
.split-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  min-height: 280px;
}
.split-media::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 10px;
  height: 6px;
  background: linear-gradient(90deg, var(--color-green-700), var(--color-orange-400));
  border-radius: 999px;
}
.split-content .lead-text {
  color: var(--text-soft);
  font-size: 0.95rem;
  line-height: 1.9;
}
.check-list {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.check-list li {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  font-size: 0.92rem;
}
.check-list li i {
  color: var(--color-green-700);
  background: var(--color-green-100);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  flex: 0 0 22px;
  margin-top: 3px;
}
@media (max-width: 768px) {
  .check-list {
    grid-template-columns: 1fr;
  }
  .split-media {
    margin-bottom: 22px;
  }
}

/* ===== Deep service band ===== */
.deep-band {
  position: relative;
  background: linear-gradient(135deg, var(--color-green-900), #071a14);
  color: #fff;
  overflow: hidden;
}
.deep-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(135deg, rgba(255,255,255,0.02) 0, rgba(255,255,255,0.02) 2px, transparent 2px, transparent 14px);
  pointer-events: none;
}
.deep-band .row {
  position: relative;
  z-index: 2;
}
.service-pulse-item {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--card-radius);
  padding: 28px;
  height: 100%;
  transition: background 0.3s ease;
}
.service-pulse-item:hover {
  background: rgba(255,255,255,0.09);
}
.service-pulse-item .service-symbol {
  color: var(--color-orange-300);
  font-size: 1.5rem;
  margin-bottom: 14px;
}
.service-pulse-item h3 {
  font-size: 1.05rem;
  color: #fff;
  margin-bottom: 8px;
}
.service-pulse-item p {
  color: rgba(255,255,255,0.64);
  font-size: 0.88rem;
  margin: 0;
}
.deep-band-title {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 18px;
  margin-bottom: 34px;
}
.deep-band-title h2 {
  color: #fff;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  line-height: 1.3;
  margin: 0;
}
.deep-band-title .band-desc {
  color: rgba(255,255,255,0.58);
  font-size: 0.92rem;
  max-width: 480px;
  margin: 0;
}

/* ===== FAQ ===== */
.faq-card {
  border-radius: 18px;
  border: 1px solid var(--border-line);
  overflow: hidden;
  margin-bottom: 16px;
  background: var(--white);
  box-shadow: 0 1px 2px rgba(21,35,31,0.04);
}
.faq-question {
  width: 100%;
  background: transparent;
  border: 0;
  padding: 20px 24px;
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--color-ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  text-align: left;
  cursor: pointer;
  transition: var(--ease);
}
.faq-question:hover {
  color: var(--color-green-700);
}
.faq-question .q-mark {
  display: inline-flex;
  width: 26px;
  height: 26px;
  background: var(--color-green-100);
  color: var(--color-green-700);
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-size: 0.82rem;
  transform: rotate(90deg);
  transition: transform 0.3s ease;
  flex: 0 0 26px;
}
.faq-card.open .q-mark {
  transform: rotate(180deg);
  background: var(--color-orange-500);
  color: #fff;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 24px;
  transition: max-height 0.35s ease, padding 0.35s ease;
  color: var(--text-soft);
  font-size: 0.9rem;
  line-height: 1.9;
  background: linear-gradient(180deg, var(--color-green-050), #fff 90px);
}
.faq-card.open .faq-answer {
  max-height: 500px;
  padding: 0 24px 20px;
}

/* ===== Final CTA ===== */
.final-cta {
  background: var(--white);
  border: 1px solid var(--border-line);
  border-radius: 24px;
  padding: 46px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.final-cta::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 120px;
  height: 5px;
  background: linear-gradient(90deg, var(--color-orange-500), var(--color-green-700));
}
.final-cta::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: -40px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(13,107,88,0.1), transparent 70%);
}
.final-cta h2 {
  font-weight: 800;
  margin-bottom: 10px;
}
.final-cta p {
  color: var(--text-soft);
  max-width: 680px;
  margin: 0 auto 26px;
}
.final-cta .cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  position: relative;
  z-index: 1;
}
.final-cta .related-links {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 22px;
  font-size: 0.85rem;
  color: var(--text-soft);
  position: relative;
  z-index: 1;
}
.final-cta .related-links a {
  border-bottom: 1px dashed rgba(13,107,88,0.3);
  color: var(--green-700);
}
@media (max-width: 768px) {
  .final-cta {
    padding: 32px 20px;
    border-radius: 18px;
  }
  .cta-buttons .btn {
    width: 100%;
  }
}

/* ===== Hero Meta ===== */
.meta-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  position: relative;
  z-index: 2;
  margin-top: 60px;
}
.meta-stats .meta-item {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 16px;
  padding: 16px 20px;
  color: #fff;
}
.meta-stats .meta-number {
  font-family: "DIN Alternate", Bahnschrift, "Roboto Condensed", "Arial Narrow", sans-serif;
  font-size: 1.35rem;
  color: var(--color-orange-300);
  font-weight: 700;
}
.meta-stats .meta-label {
  color: rgba(255,255,255,0.7);
  font-size: 0.78rem;
  margin-top: 2px;
}
@media (max-width: 767px) {
  .meta-stats {
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 32px;
  }
  .meta-stats .meta-item {
    padding: 12px 16px;
  }
}

/* ===== badge / misc ===== */
.round-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--color-green-100);
  color: var(--color-green-700);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 0.74rem;
  font-weight: 600;
}
.back-home-link {
  display: inline-block;
  margin-top: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-green-700);
}
.back-home-link i {
  transition: transform 0.3s ease;
}
.back-home-link:hover i {
  transform: translateX(-4px);
}

/* roulang page: category4 */
:root {
    --color-ink: #15231f;
    --color-green-900: #10362d;
    --color-green-700: #0d6b58;
    --color-green-100: #e6f0eb;
    --color-orange-500: #ff5a1f;
    --color-orange-300: #ffa052;
    --bg-warm: #f6f5ef;
    --white: #ffffff;
    --border-light: #e9e4d8;
    --muted-text: #64716b;
    --font-body: "PingFang SC", "HarmonicOS Sans SC", "微软雅黑", system-ui, sans-serif;
    --font-num: "DIN Alternate", "Bahnschrift", "Roboto Condensed", "Arial Narrow", sans-serif;
    --radius-card: 18px;
    --radius-sm: 12px;
    --shadow-card: 0 1px 2px rgba(21,35,31,.04), 0 12px 28px -18px rgba(21,35,31,.18);
    --shadow-hover: 0 20px 40px -24px rgba(13,107,88,.28);
    --shadow-cta: 0 8px 24px -8px rgba(255,90,31,.5);
}
html { -webkit-text-size-adjust: 100%; }
@media (max-width: 374px) {
    html { font-size: 14px; }
}
@media (min-width: 768px) {
    html { font-size: 16px; }
}
body {
    margin: 0;
    font-family: var(--font-body);
    background: var(--bg-warm);
    color: var(--color-ink);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
}
*, *::before, *::after { box-sizing: border-box; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color .2s ease; }
a:hover { color: var(--color-green-700); }
ul { list-style: none; margin: 0; padding: 0; }
button, input, select, textarea { font-family: inherit; }

.container-custom {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ======= header 导航 ======= */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1050;
    background: transparent;
    transition: background-color .35s ease, box-shadow .35s ease;
}
.main-header .container-custom { position: relative; }
.main-header.scrolled {
    background: rgba(16, 54, 45, .82);
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    box-shadow: 0 8px 30px rgba(21, 35, 31, .12);
}
.main-header .brand-shield {
    width: 38px;
    height: 38px;
    border: 1.5px solid rgba(255, 255, 255, .75);
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #ffd9c2;
    background: rgba(255, 255, 255, .12);
}
.main-header.nav-hidden-top {
    background: rgba(16, 54, 45, .82);
}
.marquee-bar {
    height: clamp(32px, 4vw, 36px);
    background: var(--color-ink);
    color: #b7d4ca;
    font-size: .82rem;
    display: flex;
    align-items: center;
    gap: 22px;
    padding: 0 18px;
    overflow: hidden;
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.marquee-bar span { position: relative; }
.marquee-bar i { color: rgba(255,255,255,.7); margin-right: 6px; }
.marquee-bar .highlight { color: #ffa052; font-weight: 600; margin-left: 14px; }
body { padding-top: 0; }

/* 内页导航需要深色头部背景 */
.header-solid {
    position: relative;
    background: var(--color-green-900);
}
.header-solid + .main-body { margin-top: 0; }

.fake-nav-space {
    background: transparent;
}

.navbar { min-height: 72px; }
.navbar-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 12px 0;
}
.navbar-brand {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    color: #fff;
    font-weight: 800;
    letter-spacing: .02em;
    font-size: 1.15rem;
    white-space: nowrap;
    line-height: 1.2;
    margin-right: 0;
}
.navbar-brand .brand-zh {
    display: flex;
    align-items: center;
    gap: 8px;
}
.navbar-brand .brand-sub {
    font-size: .68rem;
    color: rgba(255, 255, 255, .6);
    font-weight: 400;
    letter-spacing: .16em;
}
.navbar-brand i { font-size: 1.1rem; color: var(--color-orange-300); }
.navbar-brand span.text-warning { color: #ffc46b !important; }
.navbar-toggler {
    border: 1px solid rgba(255,255,255,.35);
    color: white;
    border-radius: 8px;
    padding: 6px 10px;
    font-size: 1.15rem;
    background: rgba(255,255,255,.08);
}
.navbar-toggler:focus {
    outline: 2px solid rgba(255,255,255,.5);
    outline-offset: 2px;
    box-shadow: none;
}
.navbar-collapse { border: 0; }
.nav-side-left ul,
.nav-side-right ul {
    display: flex;
    align-items: center;
    gap: 2px;
}
.nav-item .nav-link {
    color: rgba(255,255,255,.85);
    font-weight: 500;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: .95rem;
    letter-spacing: .01em;
    transition: all .25s ease;
}
.nav-item .nav-link:hover {
    color: #fff;
    background: rgba(255,255,255,.08);
}
.nav-item .nav-link.active {
    color: #fff;
    background: rgba(255,255,255,.1);
    position: relative;
}
.nav-item .nav-link.active::after {
    content: "";
    width: 6px;
    height: 6px;
    background: var(--color-orange-500);
    border-radius: 999px;
    position: absolute;
    top: 4px;
    right: 8px;
    box-shadow: 0 0 0 2px rgba(255,90,31,.25);
}
.nav-cta-btn {
    background: linear-gradient(90deg, var(--color-orange-500), var(--color-orange-300));
    border-radius: 999px;
    padding: 7px 20px;
    font-weight: 700;
    color: #fff;
    white-space: nowrap;
    font-size: .92rem;
    display: inline-block;
    transition: transform .2s ease, box-shadow .2s ease;
    box-shadow: var(--shadow-cta);
}
.nav-cta-btn:hover {
    color: #fff;
    transform: translateY(-2px);
}
.nav-cta-btn:active { transform: translateY(0); }

/* ======= footer ======= */
.footer {
    background: var(--color-green-900);
    color: rgba(255,255,255,.78);
    padding: 60px 0 20px;
    margin-top: 0;
}
.footer-top {
    display: grid;
    grid-template-columns: 1.4fr .8fr 1fr;
    gap: 40px;
    padding-bottom: 26px;
    border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-brand {
    font-size: 1.08rem;
    font-weight: 800;
    color: white;
    margin-bottom: 8px;
    letter-spacing: .02em;
}
.footer-brand span {
    display: block;
    font-size: .78rem;
    color: rgba(255,255,255,.4);
    font-weight: 400;
    margin-top: 4px;
}
.footer h5 {
    color: rgba(255,255,255,.65);
    font-size: .92rem;
    font-weight: 600;
    letter-spacing: .08em;
    margin-bottom: 12px;
}
.footer ul li {
    padding: 4px 0;
}
.footer ul li a {
    color: rgba(255,255,255,.68);
    font-size: .9rem;
}
.footer ul li a:hover {
    color: #fff;
}
.footer-bottom {
    padding-top: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    align-items: center;
    font-size: .82rem;
    color: rgba(255,255,255,.4);
}
.copyright-domain {
    background: rgba(255,255,255,.07);
    border-radius: 4px;
    padding: 2px 8px;
}

/* ======= 分类页通用组件 ======= */
.page-hero {
    position: relative;
    padding: 150px 0 90px;
    background: linear-gradient(130deg, #0b2a2b 0%, #10362d 52%, #173f34 100%);
    color: white;
    overflow: hidden;
}
.page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url("/assets/images/backpic/back-2.png");
    background-size: cover;
    background-position: center;
    opacity: .28;
}
.page-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(130deg, rgba(11, 42, 43, .35), rgba(16,54,45,.2) 50%, rgba(255,90,31,.12));
}
.page-hero .container-custom {
    position: relative;
    z-index: 2;
}
.breadcrumb-inline {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    color: rgba(255,255,255,.65);
    font-size: .86rem;
    margin-bottom: 22px;
}
.breadcrumb-inline a { color: rgba(255,255,255,.72); }
.breadcrumb-inline a:hover { color: #fff; }
.breadcrumb-inline .sep { color: rgba(255,255,255,.4); }
.page-hero h1 {
    font-size: clamp(2.3rem, 4vw, 3.4rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: .01em;
    margin-bottom: 14px;
}
.page-intro {
    max-width: 760px;
    color: rgba(255,255,255,.88);
    font-size: 1.05rem;
    line-height: 1.9;
    margin-bottom: 26px;
}
.hero-tag-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.hero-tag {
    background: rgba(255,255,255,.14);
    border: 1px solid rgba(255,255,255,.16);
    color: #fff;
    font-size: .82rem;
    padding: 4px 14px;
    border-radius: 999px;
    backdrop-filter: blur(6px);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.hero-tag i { color: var(--color-orange-300); }

.hero-stat-row {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 28px;
}
.hero-stat {
    padding: 10px 16px;
    border-radius: 12px;
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.1);
    display: flex;
    gap: 12px;
    align-items: center;
    backdrop-filter: blur(8px);
}
.hero-stat .stat-num {
    font-family: var(--font-num);
    font-size: 1.6rem;
    font-weight: 700;
    color: #ffb08a;
    line-height: 1;
}
.hero-stat .stat-label {
    font-size: .82rem;
    color: rgba(255,255,255,.66);
    line-height: 1.4;
}

/* section spacing */
.section-pad {
    padding: clamp(56px, 7vw, 96px) 0;
}
.section-pad-sm {
    padding: clamp(36px, 5vw, 56px) 0;
}
.section-harmony {
    background: #fff;
}
.section-warm {
    background: var(--bg-warm);
}

.section-head {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 36px;
}
.section-head .small-title-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: .9rem;
    letter-spacing: .08em;
    color: var(--color-green-700);
    font-weight: 600;
}
.section-head .small-title-bar::before {
    content: "";
    width: 16px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-orange-500), var(--color-orange-300));
    border-radius: 999px;
}
.section-head h2 {
    font-size: clamp(1.35rem, 3vw, 2.1rem);
    font-weight: 800;
    line-height: 1.35;
}
.section-head p.lead-desc {
    max-width: 760px;
    color: var(--muted-text);
    font-size: .98rem;
    line-height: 1.8;
    margin: 0;
}
.section-head-light .small-title-bar { color: var(--color-orange-300); }
.section-head-light h2 { color: #fff; }
.section-head-light p.lead-desc { color: rgba(255,255,255,.72); }

/* 分类说明条 */
.notice-strip {
    background: var(--color-green-100);
    border: 1px solid rgba(13,107,88,.1);
    border-radius: var(--radius-card);
    padding: 18px 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px 24px;
    align-items: center;
    margin-bottom: 18px;
}
.notice-strip .notice-icon {
    flex: 0 0 auto;
    width: 34px;
    height: 34px;
    background: var(--color-green-700);
    color: white;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.notice-strip p { margin: 0; font-size: .9rem; color: #1f3f36; line-height: 1.7; }

/* ======= 三卡布局 ======= */
.feature-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.feature-card {
    background: var(--white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    padding: 30px 26px;
    transition: transform .25s ease, box-shadow .25s ease;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.feature-card .card-icon {
    width: 54px;
    height: 54px;
    border-radius: 16px;
    background: var(--color-green-100);
    color: var(--color-green-700);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.7rem;
    margin-bottom: 6px;
}
.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin: 0;
}
.feature-card p {
    font-size: .92rem;
    line-height: 1.8;
    color: var(--muted-text);
    margin-bottom: 8px;
}
.feature-card ul.feature-list {
    margin-top: 6px;
    display: flex;
    flex-direction: column;
    gap: 7px;
}
.feature-card ul.feature-list li {
    font-size: .9rem;
    color: #353f39;
    display: flex;
    gap: 8px;
    line-height: 1.55;
}
.feature-card ul.feature-list li i {
    color: var(--color-green-700);
    font-size: .9rem;
    margin-top: 4px;
    flex-shrink: 0;
}
.feature-badge-mini {
    display: inline-flex;
    align-items: center;
    background: rgba(255,90,31,.1);
    color: var(--color-orange-500);
    border-radius: 999px;
    font-size: .75rem;
    padding: 2px 10px;
    letter-spacing: .04em;
    font-weight: 600;
    width: fit-content;
}

/* ======= 图文双栏 ======= */
.split-media {
    background: var(--color-green-900);
    color: white;
    width: 100%;
}
.split-media .container-custom {
    padding: clamp(48px, 6vw, 70px) 20px;
}
.split-grid {
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    gap: clamp(24px, 5vw, 74px);
    align-items: center;
}
.split-grid .media-frame {
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 20px 40px -22px rgba(0,0,0,.35);
    position: relative;
}
.split-grid .media-frame::after {
    content: "";
    position: absolute;
    bottom: 6px;
    left: 26px;
    right: 26px;
    height: 6px;
    background: linear-gradient(90deg, var(--color-orange-500), transparent);
    border-radius: 999px;
    opacity: .5;
}
.split-grid .media-frame img {
    width: 100%;
    height: 360px;
    object-fit: cover;
    display: block;
}
.split-grid .content-body h2 {
    font-size: 1.7rem;
    line-height: 1.4;
    margin-bottom: 14px;
    font-weight: 800;
}
.split-grid .content-body p {
    color: rgba(255,255,255,.78);
    font-size: .97rem;
    line-height: 1.85;
    margin-bottom: 20px;
}
.split-points {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 12px;
}
.split-point {
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 12px;
    padding: 14px 16px;
    display: flex;
    gap: 12px;
}
.split-point i {
    color: var(--color-orange-300);
    font-size: 1.2rem;
    margin-top: 2px;
}
.split-point h4 {
    font-weight: 700;
    font-size: .94rem;
    margin-bottom: 4px;
}
.split-point p {
    font-size: .8rem;
    color: rgba(255,255,255,.58);
    line-height: 1.6;
    margin: 0;
}

/* ======= 步骤流程 ======= */
.step-flow {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
    counter-reset: step;
}
.step-card {
    background: #fff;
    border-radius: var(--radius-card);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-card);
    padding: 24px 22px 26px;
    position: relative;
    transition: transform .22s ease, box-shadow .22s ease;
}
.step-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 24px 44px -28px rgba(13,107,88,.35);
}
.step-card .step-count {
    font-family: var(--font-num);
    font-size: .9rem;
    font-weight: 700;
    color: var(--color-orange-500);
    letter-spacing: .1em;
    background: rgba(255,90,31,.08);
    display: inline-block;
    padding: 4px 12px;
    border-radius: 999px;
    margin-bottom: 16px;
}
.step-card h3 {
    font-size: 1.02rem;
    font-weight: 700;
    margin-bottom: 8px;
}
.step-card p {
    font-size: .88rem;
    color: var(--muted-text);
    line-height: 1.75;
    margin: 0;
}

/* ======= FAQ ======= */
.faq-accordion {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 920px;
}
.faq-item {
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    box-shadow: 0 2px 8px rgba(21,35,31,.04);
    overflow: hidden;
    transition: background-color .3s ease;
}
.faq-item.open {
    background: linear-gradient(135deg, var(--color-green-100), #ffffff 60%);
    border-color: rgba(13,107,88,.3);
}
.faq-btn {
    width: 100%;
    background: transparent;
    border: 0;
    padding: 17px 20px;
    font-size: 1rem;
    color: var(--color-ink);
    font-weight: 600;
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    cursor: pointer;
    transition: color .2s ease;
}
.faq-btn:hover { color: var(--color-green-700); }
.faq-btn:focus { outline: 2px solid rgba(13,107,88,.4); outline-offset: -2px; border-radius: 8px; }
.faq-btn .faq-arrow {
    font-size: 1.05rem;
    color: var(--color-green-700);
    transition: transform .3s ease;
    flex: 0 0 auto;
}
.faq-item.open .faq-arrow { transform: rotate(90deg); }
.faq-item .faq-content {
    max-height: 0;
    padding: 0 20px;
    overflow: hidden;
    transition: max-height .35s ease, padding .35s ease, opacity .25s ease;
    opacity: 0;
    color: #4d5a53;
    font-size: .96rem;
    line-height: 1.85;
}
.faq-item.open .faq-content {
    max-height: 260px;
    padding: 0 20px 20px;
    opacity: 1;
}

/* ======= CTA action ======= */
.action-cta {
    background: var(--color-ink);
    position: relative;
    overflow: hidden;
    color: white;
}
.action-cta::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: repeating-linear-gradient(-55deg, transparent, transparent 18px, rgba(255,255,255,.045) 18px, rgba(255,255,255,.045) 19px);
}
.action-cta .container-custom {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: clamp(50px, 6vw, 64px) 20px;
}
.action-cta .small-title-bar {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 1px solid rgba(255,255,255,.25);
    border-radius: 999px;
    padding: 6px 18px;
    color: var(--color-orange-300);
    font-size: .8rem;
    letter-spacing: .12em;
    margin-bottom: 21px;
}
.btn-action {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 2px solid transparent;
    background: linear-gradient(90deg, var(--color-orange-500), var(--color-orange-300));
    color: #fff;
    padding: 12px 38px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 1rem;
    box-shadow: 0 8px 24px -8px rgba(255,90,31,.5);
    transition: transform .2s ease, box-shadow .2s ease;
    margin: 8px 8px 0;
}
.btn-action:hover { color: #fff; transform: translateY(-2px); }
.btn-action:active { transform: translateY(0); }
.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1.5px solid rgba(255,255,255,.6);
    background: rgba(255,255,255,.05);
    color: #fff;
    padding: 11px 34px;
    border-radius: 999px;
    font-weight: 600;
    font-size: .96rem;
    transition: background-color .25s ease, border-color .25s ease;
    margin-top: 10px;
    margin-left: 10px;
}
.btn-ghost:hover { background: rgba(255,255,255,.12); color: #fff; }
.action-cta p { color: rgba(255,255,255,.72); font-size: .95rem; margin-bottom: 20px; }

/* ======= 返回链接 ======= */
.back-home-row {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    justify-content: center;
    padding: 44px 0 0;
}
.back-btn-round {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    border: 1px solid var(--border-light);
    padding: 10px 22px;
    border-radius: 999px;
    color: var(--color-green-700);
    font-weight: 600;
    font-size: .9rem;
    box-shadow: 0 4px 14px rgba(0,0,0,.04);
    transition: all .2s ease;
}
.back-btn-round:hover {
    border-color: var(--color-green-700);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -16px rgba(13,107,88,.35);
}

/* ======= Bootstrap 覆写 ======= */
.collapse:not(.show) { display: none; }
.collapse.show { display: block; }
.form-control, .form-select { border-radius: 10px; }

/* ======= responsive ======= */
@media (max-width: 1199px) {
    .navbar-brand { font-size: 1.1rem; }
    .footer-top { grid-template-columns: 1.2fr 1fr; }
}
@media (max-width: 991.98px) {
    .main-header {
        position: relative;
        background: var(--color-green-900);
    }
    body { padding-top: 0 !important; }
    .navbar-brand { order: 0; }
    .nav-side-left, .nav-side-right {
        width: 100% !important;
        margin: 0 !important;
    }
    .navbar-collapse {
        border-top: 1px solid rgba(255,255,255,.12);
        margin-top: 10px;
        padding-top: 6px;
    }
    .navbar-collapse.collapsing, .navbar-collapse.show {
        width: 100%;
    }
    .navbar-wrap {
        align-items: flex-start;
        padding: 10px 0;
    }
    .nav-side-left { display: none; }
    .navbar-brand {
        flex-direction: row;
        align-items: center;
        justify-content: center;
        gap: 8px;
        width: 100%;
        font-size: 1.1rem;
    }
    .navbar-brand .brand-sub { display: none; }
    .nav-side-right ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 4px;
    }
    .nav-side-right .nav-item .nav-link {
        padding: 5px 10px;
        font-size: .88rem;
    }
    .nav-cta-btn { margin-top: 4px; }
    .page-hero { padding: 52px 0 60px; }
    .split-grid { grid-template-columns: 1fr; }
    .split-grid .media-frame img { height: 280px; }
    .feature-grid-3 { grid-template-columns: 1fr 1fr; }
    .footer-top { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 767px) {
    .feature-grid-3 { grid-template-columns: 1fr; }
    .step-flow { grid-template-columns: 1fr 1fr; }
    .section-head h2 { font-size: 1.45rem; }
    .page-hero h1 { font-size: 2rem; }
    .footer-top { padding-bottom: 20px; }
    .btn-action, .btn-ghost { width: 100%; justify-content: center; margin-left: 0; margin-right: 0; }
}
@media (max-width: 520px) {
    .step-flow { grid-template-columns: 1fr; }
    .navbar-brand {
        font-size: 1rem;
        flex-direction: column;
        align-items: center;
        gap: 0;
    }
    .navbar-brand i { margin-bottom: 2px; }
    .background {
        background-size: cover;
    }
    .split-grid .media-frame img { height: 230px; }
    .hero-stat-row { gap: 10px; }
    .hero-stat { width: 100%; justify-content: flex-start; }
    .section-head p.lead-desc { font-size: .9rem; }
    .notice-strip { flex-direction: column; align-items: flex-start; }
    .faq-btn { font-size: .92rem; padding: 14px 14px; }
    .faq-content { font-size: .9rem; }
}