/* roulang page: index */
:root{
  --primary:#C82121;
  --primary-dark:#A51B1B;
  --primary-soft:rgba(200,33,33,.06);
  --accent:#F57C00;
  --dark:#101418;
  --dark-2:#16202A;
  --body-bg:#F7F8FA;
  --card-bg:#FFFFFF;
  --text:#16202A;
  --muted:#5B6472;
  --line:#E5E7EB;
  --split:#EDF0F2;
  --radius-lg:8px;
  --radius-md:6px;
  --radius-sm:4px;
  --shadow-hover:0 8px 24px rgba(16,20,24,.10);
  --shadow-red:0 6px 16px rgba(200,33,33,.18);
  --container:1200px;
  --gap:20px;
  --font-body:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-num:'Barlow Condensed','Roboto Condensed','Arial Narrow',sans-serif;
  --ease:all .2s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--body-bg);color:var(--text);font-family:var(--font-body);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
body.nav-open{overflow:hidden}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.35;color:var(--text)}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
img{max-width:100%;display:block;border:0}
button,input,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(200,33,33,.25);outline-offset:2px;border-radius:var(--radius-sm)}
::selection{background:rgba(200,33,33,.2)}
.container{width:100%;max-width:var(--container);margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px}
.section{padding:80px 0}
.section-white{background:#FFFFFF}
.section-ash{background:var(--body-bg)}
.section-deep{background:var(--dark);color:#fff}
.section-deep .sec-title,.section-deep .sec-text{color:#fff}
.section-deep .sec-text{color:#BFC7D0}
.sec-head{max-width:860px;margin-bottom:44px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-weight:700;font-size:14px;letter-spacing:.08em;margin-bottom:12px;text-transform:uppercase}
.sec-kicker::before{content:'';width:22px;height:3px;background:var(--primary);border-radius:2px}
.sec-kicker.simple::after{display:none}
.sec-title{font-size:32px;font-weight:900;margin-bottom:14px}
.sec-text{font-size:16px;color:var(--muted)}
.sec-title .red{color:var(--primary)}
.muted{color:var(--muted)}
.card{background:var(--card-bg);border:1px solid var(--line);border-radius:var(--radius-lg);transition:var(--ease)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:15px;line-height:1;padding:14px 24px;border-radius:var(--radius-md);transition:var(--ease);cursor:pointer;border:1px solid transparent;min-height:48px;text-align:center}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-red)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 4px 12px rgba(200,33,33,.22)}
.btn-primary:active{background:#8E1717;transform:translateY(0)}
.btn-light{background:#fff;color:var(--dark);border-color:rgba(255,255,255,.85)}
.btn-light:hover{background:rgba(255,255,255,.92);transform:translateY(-2px)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.65)}
.btn-outline-light:hover{background:rgba(255,255,255,.08);border-color:#fff;transform:translateY(-2px)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#E06F00;transform:translateY(-2px);box-shadow:0 6px 18px rgba(245,124,0,.25)}
.btn-lg{font-size:17px;padding:16px 36px;min-height:52px}
.btn-sm{min-height:38px;padding:8px 16px;font-size:14px}
.btn.block{width:100%}
.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--radius-sm);font-size:13px;font-weight:700;line-height:1.2}
.tag-primary{background:var(--primary-soft);color:var(--primary)}
.tag-accent{background:rgba(245,124,0,.1);color:#C45A00}
.section-badge{display:inline-block;background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.18);padding:6px 14px;border-radius:100px;font-size:13px;letter-spacing:.06em;margin-bottom:18px}
.hr{border:0;height:1px;background:var(--split);margin:20px 0}
.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
/* header */
.site-header{background:#fff;border-bottom:1px solid var(--line);position:relative;z-index:120}
.topbar{background:var(--dark);color:rgba(255,255,255,.75);font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:36px;overflow:hidden}
.topbar-tag{display:flex;align-items:center;gap:6px}
.topbar-tag i{width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block}
.topbar-right{display:flex;align-items:center;gap:18px}
.topbar-phone{color:#fff;font-weight:700;letter-spacing:.02em}
.topbar-phone strong{font-family:var(--font-num);font-size:16px;letter-spacing:.05em}
.navbar{background:#fff;height:74px}
.navbar-inner{display:flex;align-items:center;justify-content:space-between;height:74px;gap:12px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-shield{position:relative;width:40px;height:46px;background:var(--primary);border-radius:12px 12px 6px 6px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:900;font-size:18px;box-shadow:inset 0 -2px 0 rgba(0,0,0,.15)}
.brand-shield::before{content:'';position:absolute;left:5px;right:5px;top:-5px;height:9px;background:var(--primary);border-radius:5px 5px 0 0}
.brand-shield b{font-weight:900;position:relative;z-index:1}
.brand-meta{display:flex;flex-direction:column;line-height:1.15}
.brand-meta strong{font-size:20px;font-weight:900;letter-spacing:.01em;color:var(--dark)}
.brand-meta small{font-size:11px;color:var(--muted);letter-spacing:.22em;font-weight:500;margin-top:5px;white-space:nowrap}
.desktop-nav{display:flex;align-items:center;gap:6px;background:#F4F5F7;padding:4px;border-radius:100px}
.nav-chip{display:inline-flex;align-items:center;padding:10px 18px;font-size:14px;font-weight:700;color:var(--muted);border-radius:100px;transition:var(--ease);line-height:1.2;white-space:nowrap}
.nav-chip:hover{color:var(--primary);background:#fff;box-shadow:0 2px 8px rgba(16,20,24,.06)}
.nav-chip.active{background:var(--primary);color:#fff;box-shadow:var(--shadow-red)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;flex-direction:column;gap:5px;width:42px;height:42px;align-items:center;justify-content:center;border-radius:var(--radius-md);background:#F4F5F7}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--dark);border-radius:2px;transition:var(--ease)}
.mobile-nav{display:none;position:fixed;top:102px;left:0;right:0;bottom:0;background:#fff;z-index:110;padding:28px 20px;overflow-y:auto;border-top:1px solid var(--line);flex-direction:column;gap:10px}
.mobile-nav.show{display:flex}
.mobile-nav .nav-chip{display:flex;padding:14px 16px;border-radius:var(--radius-md);font-size:16px;background:var(--body-bg);border:1px solid var(--line)}
.mobile-nav .nav-chip.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.mobile-nav-btn{margin-top:14px}
/* activity bar */
.activity-bar{background:var(--dark);border-bottom:1px solid rgba(255,255,255,.08);color:#fff}
.activity-inner{display:flex;align-items:center;gap:16px;min-height:64px;padding:10px 0;flex-wrap:wrap}
.activity-icon{width:32px;height:32px;border-radius:8px;background:var(--primary);display:flex;align-items:center;justify-content:center;font-size:17px;flex-shrink:0;order:1}
.activity-q{font-size:15px;font-weight:700;color:#fff;display:flex;align-items:center;gap:6px;white-space:nowrap;order:2}
.activity-q .light{font-weight:400;color:#AEB8C2}
.activity-name{font-size:13px;color:#C9D0D8;margin-right:auto;order:3;flex:1;min-width:200px}
.countdown{display:flex;align-items:center;gap:6px;order:4}
.cd-label{font-size:12px;color:rgba(255,255,255,.6);margin-right:8px}
.cd-item{display:flex;flex-direction:column;align-items:center;gap:2px}
.cd-num{font-family:var(--font-num);font-size:26px;font-weight:700;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.12);color:#fff;width:52px;height:38px;display:flex;align-items:center;justify-content:center;border-radius:6px;line-height:1;letter-spacing:.05em}
.cd-text{font-size:10px;color:rgba(255,255,255,.5);height:12px;line-height:1}
.cd-col{font-family:var(--font-num);font-weight:700;color:rgba(255,255,255,.5);margin-top:-20px;font-size:18px}
.activity-btn{order:5;margin-left:4px}
.activity-note{order:4;color:#F1C40F;font-weight:700;font-size:15px}
/* hero */
.hero{position:relative;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;color:#fff;padding:74px 0 0;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(82deg,rgba(16,20,24,.95) 0%,rgba(16,20,24,.8) 50%,rgba(16,20,24,.38) 100%)}
.hero::after{content:'';position:absolute;right:-130px;top:-130px;width:440px;height:440px;border-radius:50%;background:radial-gradient(circle,rgba(245,124,0,.18),rgba(245,124,0,0) 65%);pointer-events:none}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr .9fr;gap:50px;align-items:center}
.hero-kicker{display:flex;align-items:center;gap:10px;color:#F5A659;font-weight:700;font-size:13px;letter-spacing:.1em;margin-bottom:20px}
.hero-kicker::before{content:'';width:36px;height:2px;background:var(--accent)}
.hero h1{color:#fff;font-size:clamp(28px,3.8vw,44px);font-weight:900;line-height:1.28;margin-bottom:20px}
.hero-sub{color:rgba(255,255,255,.82);font-size:16px;max-width:660px;margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px}
.hero-assurances{display:flex;flex-wrap:wrap;gap:18px;position:relative;padding-top:20px;border-top:1px solid rgba(255,255,255,.14)}
.ass-item{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.77)}
.ass-item::before{content:'✓';width:18px;height:18px;background:rgba(200,33,33,.9);color:#fff;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-weight:700}
.hero-panel{background:rgba(16,20,24,.62);border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:24px;backdrop-filter:blur(10px);color:#fff}
.hero-panel-title{font-size:18px;font-weight:800;color:#fff;display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.hero-panel-title small{font-family:var(--font-num);color:var(--primary);font-size:15px;font-weight:700;background:#fff;width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center}
.enquiry-form{display:flex;flex-direction:column;gap:14px}
.enquiry-form label{font-size:13px;color:rgba(255,255,255,.78);font-weight:500}
.form-input,.form-select{width:100%;height:46px;padding:0 14px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-md);color:#fff;font-size:14px;transition:var(--ease);outline:none;appearance:none}
.form-input::placeholder{color:rgba(255,255,255,.45)}
.form-input:focus,.form-select:focus{border-color:var(--primary);background:rgba(255,255,255,.16);box-shadow:0 0 0 3px rgba(200,33,33,.18)}
.form-select{background-image:url("data:image/svg+xml;charset=utf8,%3Csvg width='12' height='8' viewBox='0 0 12 8' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23ffffff' stroke-width='2'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}
.form-select option{color:var(--dark)}
.form-privacy{font-size:12px;color:rgba(255,255,255,.52);text-align:center;margin-top:8px;line-height:1.5}
.form-msg{background:rgba(46,204,113,.13);border:1px solid rgba(46,204,113,.35);color:#73E3A5;font-size:13px;border-radius:var(--radius-md);padding:8px 10px;display:none;text-align:center}
.form-msg.show{display:block}
/* hero stats */
.hero-stats{border-top:1px solid rgba(255,255,255,.1);background:rgba(16,20,24,.56);margin-top:56px;position:relative;z-index:2;backdrop-filter:blur(8px)}
.stats-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding:20px 0}
.stat-item{display:flex;flex-direction:column;align-items:center;gap:4px;text-align:center;border-left:1px solid rgba(255,255,255,.08);padding:8px 4px}
.stat-item:first-child{border-left:0}
.stat-num{font-family:var(--font-num);font-size:48px;line-height:1;font-weight:700;color:#fff;letter-spacing:.02em}
.stat-num em{font-style:normal;color:var(--accent)}
.stat-label{font-size:13px;color:rgba(255,255,255,.65)}
/* services */
.service-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}
.service-main{grid-column:1;grid-row:span 2;overflow:hidden;display:flex;flex-direction:column;border:0;background:#fff;border:1px solid var(--line)}
.service-visual{min-height:300px;background-size:cover;background-position:center;position:relative;flex-shrink:0}
.service-visual::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,20,24,.02) 0%,rgba(16,20,24,.32) 100%)}
.service-visual .service-no{position:absolute;right:16px;top:12px;background:rgba(200,33,33,.92);color:#fff;font-family:var(--font-num);font-size:30px;padding:4px 12px 0 12px;line-height:1;border-radius:4px;z-index:2;font-weight:700;letter-spacing:.04em}
.service-main-info{padding:32px}
.service-main-info h3{font-size:24px;font-weight:800;margin:8px 0 14px}
.service-main-info p{color:var(--muted);font-size:15px;margin-bottom:18px}
.service-main-list{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:8px}
.service-main-list li{display:flex;align-items:center;gap:8px;color:var(--text);font-size:14px;padding:8px 0;border-bottom:1px dashed var(--split)}
.service-main-list li::before{content:'';width:7px;height:7px;background:var(--primary);transform:rotate(45deg);border-radius:1px;flex-shrink:0}
.side-service{background:#fff;border:1px solid var(--line);padding:24px;border-radius:var(--radius-lg);transition:var(--ease);overflow:hidden;position:relative}
.side-service:nth-child(3){background:#FDF7F5}
.side-service::after{content:attr(data-no);position:absolute;right:14px;top:8px;font-family:var(--font-num);font-size:64px;font-weight:700;color:rgba(200,33,33,.08);line-height:1;pointer-events:none}
.side-service:hover{box-shadow:var(--shadow-hover)}
.side-service .service-tag{font-family:var(--font-num);font-size:14px;color:var(--primary);font-weight:700;letter-spacing:.12em;margin-bottom:10px;display:block}
.side-service h3{font-size:18px;margin-bottom:12px;line-height:1.45}
.side-service p{color:var(--muted);font-size:14px;margin-bottom:16px}
.side-list{display:flex;flex-direction:column;gap:8px}
.side-list li{display:flex;justify-content:flex-start;gap:8px;font-size:13px;color:var(--text);line-height:1.6}
.side-list li::before{content:'>';color:var(--primary);font-weight:700;flex-shrink:0}
/* showcase */
.showcase-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:180px;gap:16px}
.showcase-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;background:#dfe3e7;background-size:cover;background-position:center;min-height:180px;display:flex;align-items:flex-end;box-shadow:0 2px 6px rgba(16,20,24,.04);transition:var(--ease)}
.showcard-a{grid-column:span 2;grid-row:span 2;min-height:376px}
.showcard-b{grid-column:span 2;grid-row:auto}
.showcard-c{grid-column:span 2;grid-row:auto}
.showcase-card::before{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,20,24,0) 35%,rgba(16,20,24,.48) 75%,rgba(16,20,24,.88) 100%);opacity:.88;transition:var(--ease)}
.showcase-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.showcase-card:hover::before{opacity:1;background:linear-gradient(180deg,rgba(200,33,33,0) 30%,rgba(200,33,33,.34) 70%,rgba(16,20,24,.94) 100%)}
.showcase-caption{position:relative;z-index:2;padding:16px 18px;color:#fff;width:100%}
.showcase-caption .cap-cat{display:inline-block;font-size:12px;background:rgba(255,255,255,.18);border-radius:4px;padding:2px 8px;margin-bottom:7px}
.showcase-caption h3{color:#fff;font-size:17px;font-weight:800;margin-bottom:2px}
.showcase-caption p{font-size:12px;color:rgba(255,255,255,.75);line-height:1.5}
.showcase-more{margin-top:26px;text-align:right}
/* CTA */
.cta-section{position:relative;background:url('/assets/images/backpic/back-3.webp') center / cover no-repeat;padding:78px 0;color:#fff}
.cta-section::before{content:'';position:absolute;inset:0;background:linear-gradient(100deg,rgba(140,18,18,.93) 0%,rgba(16,20,24,.88) 90%);opacity:1}
.cta-wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.25fr .75fr;align-items:center;gap:48px}
.cta-kicker{font-weight:800;color:#FFD5A6;font-size:13px;letter-spacing:.09em;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.cta-kicker::before{content:'';width:24px;height:2px;background:var(--accent)}
.cta-title{color:#fff;font-size:30px;font-weight:900;line-height:1.4;margin-bottom:14px}
.cta-title em{color:#FDB277;font-style:normal}
.cta-desc{color:rgba(255,255,255,.76);font-size:15px;margin-bottom:28px}
.cta-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.cta-solution{margin-top:24px;border-top:1px solid rgba(255,255,255,.18);padding-top:16px;display:flex;align-items:center;gap:14px}
.solution-item{font-size:13px;color:rgba(255,255,255,.72);display:flex;align-items:center;gap:6px}
.solution-item::before{content:'✓';color:#FFD166;font-weight:800}
/* faq */
.faq-wrap{max-width:800px;margin:0 auto}
.faq-list{margin-top:20px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px 4px;font-size:16px;font-weight:700;color:var(--text);text-align:left;transition:var(--ease)}
.faq-question:hover{color:var(--primary)}
.faq-question .arrow{width:30px;height:30px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:16px;transition:var(--ease);flex-shrink:0}
.faq-question .arrow svg{transform:rotate(0);transition:var(--ease)}
.faq-item.open .faq-question .arrow svg{transform:rotate(180deg)}
.faq-item.open .faq-question{color:var(--primary)}
.faq-answer{display:none;padding:0 24px 22px 4px;font-size:15px;color:var(--muted);line-height:1.85}
.faq-item.open .faq-answer{display:block}
.faq-item .faq-answer .answer-lead{color:var(--text)}
/* news */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:20px}
.news-more-link{font-weight:700;font-size:14px;color:var(--primary);display:inline-flex;gap:10px;align-items:center;transition:var(--ease);white-space:nowrap}
.news-more-link:hover{color:var(--dark);gap:14px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;display:flex;flex-direction:column;position:relative;transition:var(--ease)}
.news-card::before{content:'';height:3px;background:var(--primary);border-radius:4px;width:38px;margin-bottom:16px}
.news-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:#F7DAD8}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.news-cat{display:inline-block;background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:700;padding:4px 12px;border-radius:100px}
.news-date{font-family:var(--font-num);color:var(--muted);font-size:15px;font-weight:600;letter-spacing:.04em}
.news-title{font-size:18px;line-height:1.55;font-weight:800;margin-bottom:12px}
.news-title a{transition:var(--ease)}
.news-title a:hover{color:var(--primary)}
.news-summary{color:var(--muted);font-size:14px;line-height:1.7;margin-bottom:18px;flex:1}
.news-detail{display:inline-flex;align-items:center;gap:8px;color:var(--text);font-size:13px;font-weight:700;transition:var(--ease)}
.news-detail:hover{color:var(--primary);gap:12px}
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;border:2px dashed var(--line);background:#fff;border-radius:var(--radius-lg);padding:48px 20px;text-align:center;color:var(--muted)}
.empty-state .empty-icon{width:42px;height:42px;border-radius:8px;background:var(--body-bg);display:flex;align-items:center;justify-content:center;margin-bottom:10px;font-size:20px}
/* footer */
.footer-band{background:linear-gradient(105deg,#A51B1B 0%,#C82121 52%,#D3442F 100%);color:#fff;padding:50px 0}
.footer-band-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.footer-band h3{color:#fff;font-size:26px;font-weight:900;max-width:620px}
.footer-band p{color:rgba(255,255,255,.78);margin-top:10px}
.footer-band .btn-light{box-shadow:0 8px 24px rgba(0,0,0,.18)}
.site-footer{background:var(--dark);color:#A9B3BE}
.footer-top{display:grid;grid-template-columns:1.3fr .8fr .9fr 1fr;gap:34px;padding:56px 0 36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:20px}
.footer-brand .brand-shield{width:38px;height:42px;font-size:16px}
.footer-brand strong{display:block;color:#fff;font-size:17px}
.footer-brand small{color:#8C96A2;font-size:11px}
.footer-about{color:#8C96A2;font-size:14px;line-height:1.9;max-width:280px}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;padding-bottom:10px;border-bottom:1px solid rgba(255,255,255,.09)}
.footer-links li{margin-bottom:9px}
.footer-links a{color:#8C96A2;font-size:14px;transition:var(--ease)}
.footer-links a:hover{color:var(--primary);padding-left:4px}
.footer-contact li{display:flex;gap:10px;margin-bottom:12px;font-size:14px;color:#8C96A2;line-height:1.7}
.footer-contact .fc-tel{color:#fff;font-weight:700;font-size:18px;font-family:var(--font-num);letter-spacing:.03em}
.footer-contact .fc-time{font-size:13px}
.promise-strip{border-top:1px solid rgba(255,255,255,.08);padding:20px 0}
.promise-inner{display:flex;align-items:center;justify-content:center;gap:38px;flex-wrap:wrap}
.promise-item{display:flex;align-items:center;gap:8px;color:rgba(255,255,255,.72);font-size:13px}
.promise-item i{color:var(--primary);font-style:normal;width:22px;height:22px;display:flex;align-items:center;justify-content:center;background:rgba(200,33,33,.18);border-radius:50%;font-size:12px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.06);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12px;color:rgba(255,255,255,.45);flex-wrap:wrap}
.footer-bottom .cert{display:flex;gap:20px}
/* responsive */
@media (max-width:1200px){
  .navbar-inner,.topbar-inner,.activity-inner,.stats-inner,.footer-top,.cta-wrap,.footer-band-inner{padding-left:20px;padding-right:20px}
  .container{padding-left:20px;padding-right:20px}
}
@media (max-width:992px){
  .desktop-nav,.nav-actions .btn{display:none}
  .nav-toggle{display:flex}
  .navbar{height:64px}
  .navbar-inner,.navbar{height:64px}
  .mobile-nav{top:96px}
  .brand-meta strong{font-size:18px}
  .brand-shield{width:36px;height:42px}
  .section{padding:52px 0}
  .sec-title{font-size:26px}
  .sec-head{margin-bottom:30px}
  .hero{padding-top:60px}
  .hero-inner{grid-template-columns:1fr;gap:38px}
  .hero h1{font-size:32px}
  .hero-stats{margin-top:44px}
  .stats-inner{grid-template-columns:1fr 1fr}
  .stat-item{border-left:0;padding:8px}
  .stat-num{font-size:40px}
  .activity-inner{min-height:auto;padding:10px 0 22px;position:relative}
  .activity-btn{margin-left:auto}
  .activity-btn .btn{min-height:42px;padding:8px 18px}
  .countdown{order:6}
  .service-grid{grid-template-columns:1fr}
  .service-main{grid-column:auto;grid-row:auto}
  .cta-wrap{grid-template-columns:1fr;gap:30px}
  .cta-title{font-size:24px;line-height:1.45}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .topbar{display:none}
  .mobile-nav{top:64px}
  .activity-q{white-space:normal}
  .activity-inner{padding-bottom:20px}
  .countdown{order:6;width:100%}
  .activity-btn{order:5;margin-left:auto}
  .cd-num{width:46px;height:34px;font-size:22px}
  .hero-actions .btn{width:100%}
  .service-main-list{grid-template-columns:1fr}
  .service-main-info{padding:22px}
  .service-visual{min-height:220px}
  .showcase-grid{display:block}
  .showcase-card{min-height:250px;margin-bottom:14px}
  .cta-actions .btn{width:100%}
  .faq-question{font-size:15px;padding:18px 2px}
  .faq-answer{padding:0 0 18px 0}
  .news-grid{grid-template-columns:1fr}
  .footer-band h3{font-size:22px}
  .footer-top{grid-template-columns:1fr}
  .promise-inner{gap:18px}
}
@media (max-width:520px){
  .container{padding-left:16px;padding-right:16px}
  body{font-size:15px}
  .brand-meta strong{font-size:17px}
  .brand-meta small{font-size:10px;letter-spacing:.12em}
  .brand-shield{width:32px;height:38px;font-size:14px;border-radius:8px 8px 4px 4px}
  .section{padding:44px 0}
  .sec-title{font-size:21px;line-height:1.4}
  .sec-kicker{font-size:12px}
  .hero h1{font-size:25px;line-height:1.42}
  .hero-sub{font-size:15px}
  .hero-actions .btn{width:100%;min-height:48px}
  .activity-q{flex-wrap:wrap}
  .activity-btn{margin-left:0}
  .activity-inner{gap:12px}
  .countdown{width:100%;overflow-x:auto}
  .cd-num{width:42px;height:30px;font-size:20px}
  .activity-name{margin-right:0;flex:1 0 100%}
  .stats-inner{grid-template-columns:1fr 1fr;gap:6px}
  .stat-num{font-size:37px}
  .cta-section{padding:52px 0}
  .cta-title{font-size:21px}
  .faq-question .arrow{display:none}
}
@media (max-width:360px){
  .brand-meta strong{font-size:16px}
  .brand-meta small{display:none}
}

/* roulang page: category1 */
:root {
  --primary: #C82121;
  --primary-dark: #A32020;
  --primary-soft: rgba(200, 33, 33, 0.06);
  --accent: #F57C00;
  --accent-dark: #E65100;
  --dark: #101418;
  --dark-2: #16202A;
  --dark-soft: #1E2935;
  --bg: #F7F8FA;
  --card: #FFFFFF;
  --border: #E5E7EB;
  --divider: #EDF0F2;
  --title: #161E29;
  --text: #2D3642;
  --text-weak: #66707E;
  --white: #FFFFFF;
  --radius-lg: 8px;
  --radius-md: 6px;
  --radius-sm: 4px;
  --shadow-card: 0 1px 0 rgba(16,20,24,0.04), 0 8px 24px rgba(16,20,24,0.06);
  --shadow-hover: 0 12px 28px rgba(16,20,24,0.10);
  --shadow-btn: 0 6px 16px rgba(200,33,33,0.18);
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", -apple-system, sans-serif;
  --font-cond: "Roboto Condensed", "Barlow Condensed", "Arial Narrow", sans-serif;
  --transition: all 0.2s ease;
  --container: 1200px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

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

img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
button { font-family: inherit; border: none; background: none; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: 14px; outline: none; }
ul { list-style: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

:focus-visible {
  outline: 3px solid rgba(200, 33, 33, 0.35);
  outline-offset: 2px;
}

/* ===== 顶部导航上条 ===== */
.topbar {
  background: var(--dark);
  color: rgba(255,255,255,0.84);
  font-size: 13px;
  line-height: 36px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.topbar-tag { display: inline-flex; align-items: center; gap: 7px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar-tag i { display: inline-block; width: 7px; height: 7px; background: var(--accent); border-radius: 50%; margin-right: 2px; }
.topbar-right { white-space: nowrap; }
.topbar-phone { color: #fff; font-weight: 600; margin-left: 10px; letter-spacing: 0.02em; }

/* ===== 主导航 ===== */
.site-header { position: sticky; top: 0; z-index: 100; }
.navbar { background: var(--white); border-bottom: 1px solid var(--border); height: 72px; display: flex; align-items: center; }
.navbar-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-shield {
  width: 38px; height: 38px;
  background: var(--dark-2);
  border-radius: 10px 10px 4px 4px;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--white); font-weight: 700; font-size: 18px;
}
.brand-meta { display: flex; flex-direction: column; line-height: 1.2; }
.brand-meta strong { font-size: 19px; color: var(--title); font-weight: 700; letter-spacing: 0.01em; }
.brand-meta small { font-size: 11px; color: var(--text-weak); letter-spacing: 0.08em; }
.desktop-nav { display: flex; align-items: center; gap: 6px; margin-left: 24px; }
.nav-chip {
  display: inline-flex; align-items: center;
  font-size: 14.5px; font-weight: 500;
  color: var(--text);
  padding: 8px 18px;
  border-radius: 24px;
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
}
.nav-chip:hover { color: var(--primary); background: var(--primary-soft); }
.nav-chip.active { color: var(--primary); background: var(--primary-soft); font-weight: 600; }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 600;
  border-radius: 6px;
  padding: 12px 26px;
  transition: var(--transition);
  line-height: 1.4;
  cursor: pointer;
  border: 2px solid transparent;
}
.btn-sm { padding: 8px 18px; font-size: 14px; border-radius: 6px; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: var(--shadow-btn); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 18px rgba(200,33,33,0.18); }
.btn-primary:active { transform: translateY(0); }
.btn-outline-light { border-color: rgba(255,255,255,0.7); color: #fff; background: transparent; }
.btn-outline-light:hover { background: rgba(255,255,255,0.12); border-color: #fff; transform: translateY(-2px); }
.btn-outline-dark { border-color: var(--primary); color: var(--primary); background: transparent; }
.btn-outline-dark:hover { background: var(--primary-soft); border-color: var(--primary-dark); color: var(--primary-dark); transform: translateY(-2px); }
.btn.block { width: 100%; }
.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  flex-direction: column;
  align-items: center; justify-content: center;
  gap: 5px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--white);
}
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--title); transition: var(--transition); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-nav { display: none; flex-direction: column; padding: 16px 24px 24px; background: var(--white); border-bottom: 1px solid var(--border); }
.mobile-nav .nav-chip { border-radius: 8px; padding: 12px 16px; }
.mobile-nav-btn { margin-top: 12px; }
.mobile-nav.open { display: flex; animation: slideDown 0.2s ease; }
@keyframes slideDown { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }

/* ===== 分类页内页窄 Banner ===== */
.page-banner {
  background: linear-gradient(120deg, var(--dark) 0%, var(--dark-2) 72%, #1C2A37 100%);
  padding: 64px 0 72px;
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.page-banner::after {
  content: "";
  position: absolute;
  right: -130px; bottom: -200px;
  width: 440px; height: 440px;
  border-radius: 50%;
  background: rgba(200,33,33,0.22);
  filter: blur(20px);
  pointer-events: none;
}
.page-banner .container { position: relative; z-index: 2; display: flex; justify-content: space-between; align-items: flex-end; gap: 48px; }
.breadcrumb { font-size: 13px; color: rgba(255,255,255,0.62); display: flex; align-items: center; flex-wrap: wrap; margin-bottom: 16px; }
.breadcrumb a { color: rgba(255,255,255,0.78); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb i { font-style: normal; margin: 0 9px; color: rgba(255,255,255,0.35); }
.page-banner h1 {
  font-size: 30px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #fff;
  position: relative;
  padding-left: 16px;
}
.page-banner h1::before {
  content: "";
  position: absolute; left: 0; top: 6px; bottom: 6px;
  width: 4px;
  background: var(--accent);
  border-radius: 2px;
}
.banner-lead {
  max-width: 660px;
  color: rgba(255,255,255,0.8);
  font-size: 15px;
  line-height: 1.9;
}

/* ===== 通用板块 ===== */
.section { padding: 72px 0; }
.section-alt { background: var(--white); }
.section-softred { background: var(--primary-soft); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 36px; flex-wrap: wrap; }
.section-head .layer-bar { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: var(--primary); letter-spacing: 0.05em; }
.section-head .layer-bar::before { content: ""; width: 22px; height: 3px; background: var(--primary); border-radius: 2px; }
.section-title { font-size: 28px; color: var(--title); font-weight: 700; line-height: 1.35; margin-top: 6px; letter-spacing: 0.01em; }
.section-sub { color: var(--text-weak); font-size: 15px; margin-top: 10px; line-height: 1.8; max-width: 760px; }
.section-link { font-size: 14px; color: var(--primary); font-weight: 500; display: inline-flex; align-items: center; gap: 4px; }
.section-link:hover { color: var(--primary-dark); }
.section-link i { font-style: normal; transition: transform 0.2s; }
.section-link:hover i { transform: translateX(4px); }

/* ===== 核心数据栏 ===== */
.data-strip { background: var(--dark); padding: 48px 0; }
.data-strip-inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; }
.data-item { text-align: center; border-right: 1px solid rgba(255,255,255,0.09); padding: 0 16px; }
.data-item:last-child { border-right: 0; }
.data-num { font-family: var(--font-cond); font-size: 46px; font-weight: 700; color: #fff; line-height: 1.1; letter-spacing: 0.02em; }
.data-num b { color: var(--accent); font-weight: 700; }
.data-label { font-size: 13px; color: rgba(255,255,255,0.7); margin-top: 9px; }
.data-unit { font-size: 20px; font-weight: 400; margin-left: 2px; color: var(--accent); }

/* ===== 服务内容网格 ===== */
.service-row { display: grid; grid-template-columns: 1fr 1.2fr; background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.service-cover { position: relative; min-height: 340px; }
.service-cover img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.service-cover .img-tag {
  position: absolute; left: 18px; top: 18px;
  background: rgba(16,20,24,0.8);
  color: #fff; font-size: 13px;
  padding: 6px 12px;
  border-radius: 20px;
  backdrop-filter: blur(6px);
}
.service-body { padding: 44px 44px 40px; }
.feature-list { display: grid; grid-template-columns: 1fr 1fr; gap: 22px 28px; margin-top: 10px; }
.feature-item { position: relative; padding: 12px 0 12px 18px; border-left: 2px solid var(--primary-soft); transition: var(--transition); }
.feature-item:hover { border-left-color: var(--primary); background: var(--primary-soft); border-radius: 0 6px 6px 0; }
.feature-item h3 { font-size: 15px; font-weight: 600; color: var(--title); margin-bottom: 5px; }
.feature-item p { font-size: 13px; color: var(--text-weak); line-height: 1.6; }

/* ===== 场景板块 ===== */
.scene-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.scene-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 26px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
}
.scene-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); border-color: transparent; }
.scene-num { font-family: var(--font-cond); font-size: 30px; font-weight: 700; color: rgba(200,33,33,0.22); line-height: 1; margin-bottom: 16px; }
.scene-card h3 { font-size: 17px; font-weight: 600; color: var(--title); margin-bottom: 10px; }
.scene-card p { font-size: 14px; color: var(--text-weak); line-height: 1.75; flex: 1; }
.badge{display:inline-block;padding:3px 10px;border-radius:20px;background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:500;letter-spacing:.02em;align-self:flex-start;margin-top:14px;}

/* ===== 流程 ===== */
.flow-wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:36px;}
.flow-item{position:relative;background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px 22px;transition:var(--transition);text-align:left;}
.flow-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);}
.flow-item::before{content:attr(data-step);font-family:var(--font-cond);font-size:14px;font-weight:700;color:#fff;background:var(--primary);border-radius:20px;padding:2px 13px;display:inline-block;margin-bottom:14px;}
.flow-item h3{font-size:16px;font-weight:600;color:var(--title);margin-bottom:8px;}
.flow-item p{font-size:13px;color:var(--text-weak);line-height:1.7;}

/* ===== 资质 · 保障 ===== */
.quote-band{background:var(--dark);padding:56px 0;color:#fff;position:relative;overflow:hidden;}
.quote-band::before{content:"";position:absolute;left:0;top:0;bottom:0;width:40%;background:rgba(200,33,33,0.08);}
.quote-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:42px;align-items:center;position:relative;z-index:2;}
.quote-title{font-size:23px;font-weight:700;line-height:1.5;}
.quote-title span{color:var(--accent);}
.check-list{display:grid;grid-template-columns:1fr 1fr;gap:14px 20px;}
.check-list li{position:relative;padding-left:30px;color:rgba(255,255,255,0.85);font-size:14px;line-height:1.6;}
.check-list li::before{content:"✓";position:absolute;left:0;top:0;width:22px;height:22px;background:rgba(200,33,33,0.9);border-radius:50%;font-size:12px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;}

/* ===== FAQ ===== */
.faq-wrap{max-width:800px;margin:36px auto 0;}
.faq-item{border-bottom:1px solid var(--border);padding:0;overflow:hidden;}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 6px;font-size:16px;font-weight:500;color:var(--title);cursor:pointer;transition:var(--transition);}
.faq-q:hover{color:var(--primary);}
.faq-q .arrow{flex-shrink:0;width:26px;height:26px;border:1px solid var(--border);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--text-weak);transition:var(--transition);}
.faq-item.open .arrow{transform:rotate(180deg);background:var(--primary);border-color:var(--primary);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a-inner{padding:0 6px 20px;color:var(--text-weak);font-size:15px;line-height:1.8;}

/* ===== CTA板块 ===== */
.cta-band{background:var(--white);padding:60px 0 0;}
.cta-box{background:linear-gradient(100deg,#1A1F29,#252D39);border-radius:12px;padding:42px 48px;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
background-image:linear-gradient(rgba(200,33,33,.08),rgba(200,33,33,.08)),linear-gradient(100deg,#1A1F29,#252D39);}
.cta-head{color:#fff;}
.cta-head h2{font-size:25px;font-weight:700;line-height:1.4;margin-bottom:8px;}
.cta-head p{color:rgba(255,255,255,.72);font-size:15px;}
.cta-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.cta-peek{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.68);font-size:13px;margin-top:12px;}
.cta-peek i{color:var(--accent);font-style:normal;}

/* ===== 表单区 ===== */
.form-band{padding:0 0 72px;}
.form-group{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px;}
.form-input,.form-select{flex:1;min-width:220px;height:48px;padding:0 16px;background:var(--bg);border:1px solid var(--border);border-radius:6px;font-size:14px;transition:var(--transition);color:var(--text);}
.form-input:focus,.form-select:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(200,33,33,0.15);}
.form-input::placeholder{color:#9aa2ae;}
.form-submit{height:48px;padding:0 32px;background:var(--primary);color:#fff;border-radius:6px;font-size:15px;font-weight:600;border:none;cursor:pointer;transition:var(--transition);box-shadow:var(--shadow-btn);}
.form-submit:hover{background:var(--primary-dark);transform:translateY(-1px);}
.form-note{margin-top:12px;color:var(--text-weak);font-size:13px;display:flex;align-items:center;gap:6px;}
.form-note::before{content:"";width:6px;height:6px;background:var(--accent);border-radius:50%;display:inline-block;}

/* ===== 相关业务推荐 ===== */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rel-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px 24px;transition:var(--transition);height:100%;display:flex;flex-direction:column;}
.rel-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);}
.rel-tag{display:inline-block;background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:600;padding:3px 10px;border-radius:16px;align-self:flex-start;margin-bottom:14px;}
.rel-card h3{font-size:16px;color:var(--title);font-weight:600;margin-bottom:8px;line-height:1.4;}
.rel-card p{font-size:13px;color:var(--text-weak);line-height:1.7;flex:1;}

/* ===== 页脚 ===== */
.site-footer{background:var(--dark);color:rgba(255,255,255,.75);padding:64px 0 0;font-size:14px;}
.footer-top{display:grid;grid-template-columns:1.5fr .8fr .9fr 1.2fr;gap:42px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.07);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:#fff;}
.footer-brand .brand-shield{background:#fff;color:var(--dark);}
.footer-brand strong{font-size:19px;font-weight:700;}
.footer-brand small{display:block;font-size:11px;color:rgba(255,255,255,.5);margin-top:2px;letter-spacing:.06em;}
.footer-about{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.65);margin-top:12px;}
.footer-title{color:#fff;font-size:16px;font-weight:600;margin-bottom:16px;position:relative;padding-bottom:12px;}
.footer-title::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:3px;background:var(--primary);border-radius:2px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:rgba(255,255,255,.65);font-size:14px;transition:var(--transition);}
.footer-links a:hover{color:var(--accent);padding-left:4px;}
.footer-contact li{margin-bottom:12px;color:rgba(255,255,255,.65);font-size:13.5px;line-height:1.7;}
.fc-tel{display:inline-block;margin-top:4px;font-family:var(--font-cond);font-size:22px;font-weight:700;color:#fff;letter-spacing:.02em;}
.promise-strip{border-bottom:1px solid rgba(255,255,255,.07);padding:22px 0;}
.promise-inner{display:flex;justify-content:center;align-items:center;gap:48px;flex-wrap:wrap;}
.promise-item{font-size:13px;color:rgba(255,255,255,.78);display:inline-flex;align-items:center;gap:8px;}
.promise-item i{color:var(--accent);font-style:normal;font-weight:700;}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:22px 0;color:rgba(255,255,255,.4);font-size:13px;flex-wrap:wrap;}
.cert{display:inline-flex;gap:20px;flex-wrap:wrap;}
.cert span{border:1px solid rgba(255,255,255,.1);padding:2px 10px;border-radius:4px;}

/* ===== 响应式 ===== */
@media (max-width: 992px) {
  .desktop-nav { display: none; }
  .nav-actions .btn { display: none; }
  .nav-toggle { display: flex; }
  .data-strip-inner { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .data-item { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.08); padding-bottom: 20px; }
  .data-item:nth-last-child(-n+2) { border-bottom: 0; padding-bottom: 0; }
  .service-row { grid-template-columns: 1fr; }
  .service-cover { min-height: 260px; }
  .scene-grid { grid-template-columns: 1fr 1fr; }
  .flow-wrap { grid-template-columns: 1fr 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .page-banner .container { flex-direction: column; align-items: flex-start; gap: 20px; }
  .quote-grid { grid-template-columns: 1fr; }
  .rel-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .section-title { font-size: 24px; }
  .page-banner { padding: 44px 0 52px; }
  .data-strip { padding: 36px 0; }
  .data-num { font-size: 34px; }
  .check-list { grid-template-columns: 1fr; }
  .faq-q { font-size: 15px; }
  .cta-box { padding: 32px 24px; flex-direction: column; }
  .form-group { flex-direction: column; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .promise-inner { gap: 18px; flex-direction: column; }
}
@media (max-width: 576px) {
  .container { padding: 0 16px; }
  .scene-grid { grid-template-columns: 1fr; }
  .flow-wrap { grid-template-columns: 1fr; }
  .rel-grid { grid-template-columns: 1fr; }
  .feature-list { grid-template-columns: 1fr; }
  .data-strip-inner { grid-template-columns: 1fr 1fr; gap: 20px; }
  .data-num { font-size: 30px; }
  .topbar-right { display: none; }
  .topbar-inner { justify-content: center; }
  .page-banner h1 { font-size: 24px; }
  .brand-meta strong { font-size: 17px; }
  .brand-shield { width: 34px; height: 34px; font-size: 16px; }
  .navbar { height: 64px; }
}

/* roulang page: article */
:root{
  --red:#C82121;
  --red-dark:#A51B1B;
  --red-soft:rgba(200,33,33,.08);
  --orange:#F57C00;
  --ink:#101418;
  --ink-2:#16202A;
  --text:#24313D;
  --text-light:#5C6B78;
  --line:#E5E7EB;
  --line-solid:#EDF0F2;
  --bg:#F6F7F9;
  --white:#FFFFFF;
  --r-lg:8px;
  --r-md:6px;
  --r-sm:4px;
  --shadow-card:0 2px 12px rgba(16,20,24,.06);
  --shadow-hover:0 8px 24px rgba(16,20,24,.10);
  --shadow-red:0 6px 16px rgba(200,33,33,.18);
  --trans:.22s ease;
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --font-num:"Barlow Condensed","Roboto Condensed","Roboto","Arial",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.7;color-scheme:light}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,p,figure{margin:0}
:focus-visible{outline:3px solid rgba(200,33,33,.35);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px}
.container-narrow{width:100%;max-width:980px;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px}
.block{display:block;width:100%}
.site-header{position:relative;background:var(--ink);color:#fff}
.topbar{background:var(--ink);border-bottom:1px solid rgba(255,255,255,.08);font-size:13px;color:#A7B1BB}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;min-height:36px}
.topbar-tag{display:inline-flex;align-items:center;gap:6px;color:#C7D0D8;white-space:nowrap}
.topbar-tag i{width:6px;height:6px;border-radius:50%;background:var(--orange);display:inline-block}
.topbar-right{display:flex;align-items:center;gap:10px;color:#A7B1BB}
.topbar-phone{color:#fff;font-weight:600;letter-spacing:.3px}
.navbar{position:sticky;top:0;z-index:1200;background:var(--ink);box-shadow:0 2px 10px rgba(0,0,0,.16)}
.navbar-inner{display:flex;align-items:center;gap:20px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-shield{width:38px;height:38px;border-radius:10px;background:linear-gradient(145deg,#D32F2F,#A51B1B);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;color:#fff;box-shadow:0 3px 8px rgba(0,0,0,.22)}
.brand-meta{display:flex;flex-direction:column;line-height:1.2}
.brand-meta strong{font-size:18px;font-weight:700;letter-spacing:.3px;color:#fff;white-space:nowrap}
.brand-meta small{font-size:11px;color:#8C99A5;margin-top:3px;letter-spacing:.6px;white-space:nowrap}
.desktop-nav{display:flex;align-items:center;gap:8px;margin:0 auto}
.nav-chip{display:inline-flex;align-items:center;padding:9px 18px;border-radius:999px;font-size:15px;color:#C7D0D8;transition:var(--trans);white-space:nowrap;border:1px solid transparent}
.nav-chip:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-chip.active{color:#fff;background:var(--red);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;padding:10px 20px;border-radius:var(--r-sm);cursor:pointer;transition:var(--trans);border:1px solid transparent;line-height:1.4}
.btn-primary{background:var(--red);color:#fff;box-shadow:var(--shadow-red)}
.btn-primary:hover{background:var(--red-dark);transform:translateY(-2px);box-shadow:0 4px 12px rgba(200,33,33,.22)}
.btn-outline-dark{border-color:#D5DBE0;color:var(--text);background:#fff}
.btn-outline-dark:hover{border-color:var(--red);color:var(--red);transform:translateY(-2px)}
.btn-outline-light{border-color:rgba(255,255,255,.5);color:#fff}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-sm{padding:7px 16px;font-size:14px}
.btn-lg{font-size:17px;padding:14px 30px}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:6px;width:44px;height:44px;margin-left:auto;background:transparent;border:1px solid rgba(255,255,255,.18);border-radius:var(--r-sm);cursor:pointer;padding:0 11px}
.nav-toggle span{display:block;height:2px;width:100%;background:#fff;border-radius:3px;transition:var(--trans)}
.nav-toggle.open span:nth-of-type(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle.open span:nth-of-type(2){opacity:0}
.nav-toggle.open span:nth-of-type(3){transform:translateY(-8px) rotate(-45deg)}
.mobile-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#F4F6F8;padding:18px 20px 28px;z-index:1100;box-shadow:0 10px 20px rgba(0,0,0,.1);border-top:1px solid var(--line);flex-direction:column;gap:10px}
.mobile-nav.open{display:flex}
.mobile-nav .nav-chip{color:var(--text);background:#fff;border:1px solid var(--line);border-radius:var(--r-md);justify-content:center}
.mobile-nav .nav-chip.active{background:var(--red);border-color:var(--red);color:#fff}
.mobile-nav-btn{margin-top:12px}
@media(max-width:991px){
  .desktop-nav{display:none}
  .nav-toggle{display:flex}
  .brand-meta small{display:none}
  .topbar-inner{justify-content:center}
  .topbar-right{display:none}
}
@media(max-width:520px){
  .brand-meta strong{font-size:15px}
  .brand-shield{width:34px;height:34px;font-size:18px}
  .topbar-tag{font-size:12px}
  .navbar-inner{min-height:64px;gap:12px}
  .nav-actions .btn{display:none}
}
.article-announce{background:#101418;color:#BCC6CF;font-size:13px;border-bottom:1px solid rgba(255,255,255,.04)}
.article-announce-inner{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:10px}
.article-announce-inner span{display:inline-flex;align-items:center;gap:8px}
.announce-dot{width:6px;height:6px;border-radius:50%;background:var(--red);display:inline-block;flex:0 0 auto}
@media(max-width:520px){.article-announce-inner span:last-child{display:none}}
.article-page-head{background:var(--white);border-bottom:1px solid var(--line-solid)}
.breadcrumb-mask{background:var(--white);padding-top:20px;padding-bottom:8px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#82919E}
.breadcrumb a{color:#60707D;transition:var(--trans);display:inline-flex;align-items:center;gap:6px}
.breadcrumb a:hover{color:var(--red)}
.breadcrumb-sep{color:#B6C0C8}
.article-title-wrap{padding-top:12px;padding-bottom:44px}
.channel-kicker{display:inline-flex;align-items:center;gap:8px;background:var(--red-soft);color:var(--red);border-radius:6px;font-size:13px;font-weight:600;padding:6px 12px;margin-bottom:18px;letter-spacing:.3px}
.channel-kicker i{width:6px;height:6px;background:var(--red);border-radius:50%}
.article-title{font-size:clamp(28px,3.4vw,36px);line-height:1.35;color:var(--ink);font-weight:800;max-width:900px;letter-spacing:.2px}
.article-meta{display:flex;flex-wrap:wrap;gap:20px;align-items:center;margin-top:22px;padding-top:18px;border-top:1px solid var(--line-solid);font-size:14px;color:#6B7A87}
.meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-tag{background:#F0F2F5;border-radius:6px;padding:2px 10px;color:var(--text-light);font-size:12px;font-weight:500}
@media(max-width:560px){
  .article-meta{gap:10px 16px;font-size:13px}
  .article-title-wrap{padding-bottom:28px}
}
.site-main{background:var(--bg);padding:36px 0 70px}
.article-single{background:var(--white);border:1px solid var(--line);border-radius:10px;padding:clamp(20px,4vw,42px);box-shadow:var(--shadow-card)}
.article-content{color:#263544;font-size:16px;line-height:1.9;overflow-wrap:break-word}
.article-content > * + *{margin-top:1.35em}
.article-content p{text-align:justify;margin:0}
.article-content h2{font-size:25px;color:var(--ink);font-weight:800;margin-top:34px;padding-bottom:10px;border-bottom:1px solid var(--line-solid);line-height:1.45}
.article-content h3{font-size:20px;color:var(--ink);font-weight:700;margin-top:24px;line-height:1.5}
.article-content a{color:var(--red);text-decoration:underline;text-underline-offset:4px;transition:var(--trans)}
.article-content a:hover{color:var(--red-dark);text-decoration-color:var(--red-dark)}
.article-content strong{color:var(--ink);font-weight:700}
.article-content img{border-radius:var(--r-md);margin-top:18px;margin-bottom:18px;background:#EAEEF1}
.article-content figure{margin:0}
.article-content figcaption{text-align:center;color:#82919E;font-size:13px;margin-top:8px}
.article-content blockquote{background:#F6F8FA;border-left:4px solid var(--red);padding:16px 18px;color:#4B5A66;border-radius:0 6px 6px 0;margin:20px 0}
.article-content blockquote p{margin:0}
.article-content table{width:100%;border-collapse:collapse;font-size:14px;margin:20px 0}
.article-content table th,.article-content table td{border:1px solid var(--line);padding:10px 12px;text-align:left;line-height:1.6}
.article-content table th{background:#F6F8FA;color:var(--ink);font-weight:600}
.article-content ul,.article-content ol{padding-left:0;list-style:none}
.article-content ul li,.article-content ol li{padding-left:24px;position:relative;margin:8px 0}
.article-content ul li::before{content:"";width:7px;height:7px;background:var(--red);border-radius:2px;position:absolute;left:4px;top:13px}
.article-content ol{counter-reset:li}
.article-content ol li{counter-increment:li}
.article-content ol li::before{content:counter(li,decimal-leading-zero);position:absolute;left:0;top:3px;color:var(--red);font-family:var(--font-num);font-weight:700;font-size:14px}
.article-notfound{background:var(--white);border:1px dashed #CBD5DD;border-radius:12px;padding:60px 24px;text-align:center}
.notfound-icon{width:60px;height:60px;border-radius:50%;background:#FBE9E7;color:var(--red);font-family:var(--font-num);font-weight:700;font-size:32px;display:flex;align-items:center;justify-content:center;margin:0 auto 18px}
.article-notfound h2{font-size:24px;color:var(--ink);margin-bottom:8px}
.article-notfound p{font-size:16px;line-height:1.7;color:#7B8995;max-width:460px;margin:0 auto 24px}
.notfound-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.article-tags{margin-top:32px;padding-top:20px;border-top:1px solid var(--line-solid);display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.tag-caption{font-size:14px;font-weight:600;color:var(--text)}
.tag-item{display:inline-flex;align-items:center;background:#F0F2F5;border:1px solid #E9EDF1;color:#566572;border-radius:6px;padding:5px 13px;font-size:13px;line-height:1.4;transition:var(--trans)}
.tag-item:hover{border-color:var(--red);color:var(--red);background:var(--red-soft);transform:translateY(-1px)}
.article-back{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-top:26px}
.article-back-link{display:inline-flex;align-items:center;gap:6px;color:#5B6A77;font-size:14px;border:1px solid var(--line);padding:8px 16px;border-radius:6px;background:#fff;transition:var(--trans)}
.article-back-link:hover{color:var(--red);border-color:var(--red)}
.related-section{margin-top:48px}
.related-head{display:flex;align-items:center;gap:10px;margin-bottom:22px;padding-bottom:12px;border-bottom:1px solid #DDE3E8}
.related-mark{width:6px;height:20px;background:var(--red);border-radius:2px;display:inline-block}
.related-head h2{font-size:24px;color:var(--ink);font-weight:800}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rel-card{background:var(--white);border:1px solid var(--line);border-radius:10px;overflow:hidden;transition:var(--trans);display:flex;flex-direction:column}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:transparent}
.rel-thumb{aspect-ratio:16/10;background:#DDE3E8;overflow:hidden}
.rel-thumb img{width:100%;height:100%;object-fit:cover}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.rel-body h3{font-size:17px;line-height:1.55;color:var(--ink);font-weight:700;margin-bottom:8px}
.rel-body p{font-size:14px;line-height:1.75;color:#5E6F7B;flex:1;text-align:justify}
.rel-link{margin-top:14px;font-size:14px;font-weight:600;color:var(--red);display:inline-flex;align-items:center;gap:5px;transition:var(--trans)}
.rel-link em{font-style:normal;transition:transform var(--trans)}
.rel-card:hover .rel-link em{transform:translateX(3px)}
@media(max-width:900px){
  .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:620px){
  .related-grid{grid-template-columns:1fr}
  .rel-thumb{aspect-ratio:16/9}
}
.cta-slim{background:linear-gradient(to bottom,rgba(255,255,255,.04),rgba(255,255,255,.12)),var(--ink);color:#fff;border-radius:12px;padding:42px 44px;margin-top:56px;display:flex;align-items:center;justify-content:space-between;gap:30px;position:relative;overflow:hidden}
.cta-slim::before{content:"";position:absolute;right:-60px;top:-80px;width:240px;height:240px;border-radius:50%;background:rgba(200,33,33,.38);filter:blur(60px)}
.cta-copy{max-width:620px;position:relative;z-index:1}
.cta-copy .slim-tag{color:var(--orange);font-size:13px;letter-spacing:.4px;display:inline-flex;align-items:center;gap:6px;font-weight:600}
.cta-copy h2{font-size:24px;margin:12px 0 10px;line-height:1.55;font-weight:800}
.cta-copy p{color:#B9C2CB;font-size:15px;line-height:1.8}
.cta-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;position:relative;z-index:1}
.cta-tel{display:flex;flex-direction:column;gap:4px}
.cta-tel small{color:#8E9DAA;font-size:12px}
.cta-tel strong{font-family:var(--font-num);font-size:24px;letter-spacing:1px;color:#fff}
@media(max-width:900px){
  .cta-slim{flex-direction:column;align-items:flex-start;padding:30px 24px}
}
@media(max-width:520px){
  .cta-copy h2{font-size:21px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1;justify-content:center}
}
.site-footer{background:var(--ink);color:#C2C9D0;padding:64px 0 0}
.footer-top{display:grid;grid-template-columns:2.2fr 1fr 1.2fr 1.6fr;gap:34px;padding-bottom:36px}
.footer-brand{display:flex;gap:12px;align-items:center;margin-bottom:18px}
.footer-brand .brand-shield{width:36px;height:36px;flex:0 0 auto}
.footer-brand strong{display:block;color:#fff;font-size:17px;margin-bottom:4px}
.footer-brand small{color:#85929E;font-size:12px}
.footer-about{font-size:14px;line-height:2;color:#949FA9;max-width:360px;margin:0}
.footer-title{color:#fff;font-size:16px;font-weight:700;margin-bottom:16px;position:relative;padding-bottom:12px}
.footer-title::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:2px;background:var(--red);border-radius:2px}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-links a,.footer-contact a{color:#A8B2BC;font-size:14px;transition:var(--trans);position:relative;padding-left:0}
.footer-links a:hover{color:#fff;padding-left:6px}
.footer-contact{list-style:none;display:flex;flex-direction:column;gap:14px;color:#A8B2BC;font-size:14px;line-height:1.85;padding:0;margin:0}
.fc-tel{color:#fff;font-family:var(--font-num);font-size:21px;font-weight:600;letter-spacing:.5px}
.promise-strip{border-top:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08);padding:16px 0;margin-bottom:14px}
.promise-inner{display:flex;flex-wrap:wrap;gap:20px;justify-content:space-between}
.promise-item{display:inline-flex;align-items:center;gap:8px;color:#AEB8C1;font-size:13px}
.promise-item i{color:var(--orange);font-style:normal;font-weight:800}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;padding:22px 0 30px;color:#79868F;font-size:13px}
.footer-bottom .cert{display:inline-flex;gap:18px}
@media(max-width:992px){
  .footer-top{grid-template-columns:1fr 1fr;row-gap:34px}
  .footer-about-col{grid-column:1 / -1}
}
@media(max-width:620px){
  .footer-top{grid-template-columns:1fr}
  .footer-brand{flex-wrap:wrap}
  .promise-inner{flex-direction:column;align-items:flex-start}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
.article-empty-arrow{color:#B7C2CA;font-size:12px}

/* roulang page: category2 */
:root{
  --primary:#C82121;
  --primary-dark:#A51B1B;
  --accent:#F57C00;
  --dark:#101418;
  --dark-soft:#16202A;
  --text:#22272E;
  --text-body:#3E4550;
  --text-muted:#7A838D;
  --bg:#F7F8FA;
  --card:#FFFFFF;
  --border:#E5E7EB;
  --line:#EDF0F2;
  --radius-lg:8px;
  --radius-md:6px;
  --radius-sm:4px;
  --shadow-card:0 1px 2px rgba(16,20,24,.04);
  --shadow-hover:0 10px 26px rgba(16,20,24,.10);
  --primary-shadow:0 6px 16px rgba(200,33,33,.18);
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --num:"Barlow Condensed","Roboto Condensed","Arial Narrow",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font:16px/1.7 var(--font);color:var(--text-body);background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(200,33,33,.22)}
img{display:block;max-width:100%}
ul,ol{list-style:none}
button{cursor:pointer;border:none;background:transparent;font-family:inherit}
input,textarea,select{font-family:inherit;font-size:15px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:22px;padding-right:22px}
.section{padding:72px 0}
 
/* 按钮组件 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--radius-md);font-weight:600;font-size:15px;line-height:1;transition:all .2s ease;text-align:center;min-height:44px}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--primary-shadow)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 16px rgba(200,33,33,.20)}
.btn-primary:active{transform:translateY(0);background:#8f1717}
.btn-outline-light{border:1px solid rgba(255,255,255,.72);color:#fff;background:rgba(255,255,255,.04)}
.btn-outline-light:hover{background:#fff;color:var(--dark);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--dark);border:1px solid #fff}
.btn-light:hover{background:#F5F5F5;transform:translateY(-2px)}
.btn-line{border:1px solid var(--border);color:var(--text);background:#fff}
.btn-line:hover{border-color:var(--primary);color:var(--primary)}
.btn-block{width:100%}
.btn-sm{min-height:40px;padding:9px 19px;font-size:14px}
.btn-primary:disabled,.btn-primary.disabled{background:#B8BEC4;color:#fff;box-shadow:none;transform:none;cursor:not-allowed}

/* 顶部信息条 */
.topbar{background:var(--dark);color:#B9C0C7;font-size:12.5px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;min-height:36px}
.topbar-tag{display:inline-flex;align-items:center;gap:7px}
.topbar-tag i{width:6px;height:6px;border-radius:2px;background:#F57C00;display:inline-block}
.topbar-phone{color:#fff;font-weight:600;margin-left:4px}
@media(max-width:767px){.topbar-inner{justify-content:center;flex-direction:column;padding-top:4px;padding-bottom:4px;gap:2px}}
 
/* 主导航 */
.site-header{background:#fff;border-bottom:1px solid var(--border);position:relative;z-index:80}
.navbar-inner{display:flex;align-items:center;min-height:72px;position:relative}
.brand{display:inline-flex;align-items:center;gap:10px;margin-right:34px}
.brand-shield{width:38px;height:38px;background:var(--primary);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:18px;flex:0 0 auto}
.brand-meta{line-height:1.2}
.brand-meta strong{display:block;color:var(--dark);font-size:18px;font-weight:800;letter-spacing:.4px}
.brand-meta small{display:block;color:var(--text-muted);font-size:11px;letter-spacing:.8px;margin-top:4px}
.desktop-nav{display:flex;align-items:center;gap:6px;margin:0 auto}
.nav-chip{display:inline-flex;align-items:center;justify-content:center;padding:8px 16px;border-radius:20px;font-size:14.5px;font-weight:500;color:var(--text-body);white-space:nowrap;transition:all .2s}
.nav-chip:hover{color:var(--primary);background:rgba(200,33,33,.04)}
.nav-chip.active{color:var(--primary);background:rgba(200,33,33,.08);font-weight:600}
.nav-actions{margin-left:16px;flex:0 0 auto}
.nav-actions .btn{flex:0 0 auto}
.nav-toggle{display:none;width:42px;height:42px;border-radius:6px;margin-left:8px;flex-direction:column;justify-content:center;align-items:center;gap:4.5px;background:transparent;border:1px solid var(--border)}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--text);border-radius:2px;transition:transform .25s,opacity .25s}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-nav{display:none;background:#fff;border-top:1px solid var(--border);padding:12px 22px 18px;gap:8px;flex-direction:column;max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease}
.mobile-nav.is-open{display:flex;max-height:100vh;padding-top:16px;padding-bottom:20px}
.mobile-nav-btn{margin-top:8px}
@media(max-width:991px){
  .desktop-nav{display:none}
  .nav-actions .btn{display:none}
  .nav-toggle{display:inline-flex}
  .navbar-inner{flex-wrap:wrap;min-height:64px;padding-top:10px;padding-bottom:10px}
  .brand{margin-right:auto}
  .mobile-nav.is-open{display:flex}
}
@media(min-width:992px){.mobile-nav{display:none!important}}

/* 分类页窄横幅 */
.cat-banner{position:relative;background:linear-gradient(120deg,rgba(16,20,24,.94) 20%,rgba(16,20,24,.72)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;color:#fff;padding:68px 0 58px}
.cat-banner::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:rgba(245,124,0,.4)}
.breadcrumb{font-size:13px;color:#AAB4BE;margin-bottom:24px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.breadcrumb a{color:#cfd6de}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{color:#66727d;margin:0 2px}
.cat-banner h1{font-size:38px;line-height:1.3;font-weight:800;color:#fff;margin-bottom:20px}
.cat-banner h1 span{color:#F57C00}
.cat-banner .lead-para{max-width:880px;font-size:16px;line-height:1.9;color:#DCE2E8}
.cat-banner .banner-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:27px}
.cat-banner-data{border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding-top:28px;display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.data-item .num{font-family:var(--num);font-weight:700;font-size:40px;line-height:1.05;color:#fff;letter-spacing:.5px}
.data-item .lbl{display:block;color:#B9C2CB;font-size:13px;margin-top:9px;line-height:1.5}
@media(max-width:767px){
  .cat-banner{padding:50px 0 42px}
  .cat-banner h1{font-size:28px}
  .cat-banner-data{grid-template-columns:repeat(2,1fr);gap:24px 16px}
  .data-item .num{font-size:30px}
}

/* 通用区块标题 */
.sec-head{max-width:760px;margin-bottom:38px}
.sec-head.centered{text-align:center;max-width:840px;margin-left:auto;margin-right:auto}
.sec-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--primary);background:rgba(200,33,33,.06);border-radius:20px;padding:5px 14px;margin-bottom:13px}
.sec-head h2{font-size:31px;color:var(--dark);font-weight:750;line-height:1.35;margin-bottom:14px;letter-spacing:-.2px}
.sec-head p{font-size:16px;line-height:1.8;color:var(--text-muted)}
.sec-head .sec-more{font-size:14px;color:var(--primary);font-weight:600;display:inline-flex;align-items:center;gap:6px}
@media(max-width:767px){
  .section{padding:54px 0}
  .sec-head h2{font-size:25px}
  .sec-head{margin-bottom:30px}
}

/* 安全承诺 / 导语 */
.intro-wrap{display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:start}
.intro-content h3.title{font-size:25px;color:var(--dark);line-height:1.5;margin:18px 0 14px}
.intro-content p{font-size:15.5px;color:var(--text-body);line-height:1.95;margin-bottom:14px}
.alert-list{display:grid;gap:14px;margin-top:24px}
.alert-list li{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-left:3px solid var(--primary);border-radius:var(--radius-md);padding:14px 16px}
.alert-list li i{font-style:normal;color:var(--primary);font-weight:700;flex:0 0 auto;font-size:18px}
.alert-list li b{font-weight:600;color:var(--dark)}
.alert-list li span{font-size:14px;color:var(--text-muted)}
.side-panel{background:var(--dark-soft);color:#F4F7FA;border-radius:var(--radius-lg);padding:30px;position:relative;overflow:hidden}
.side-panel::after{content:"119";position:absolute;right:-16px;bottom:-28px;font-family:var(--num);font-size:116px;font-weight:800;color:rgba(255,255,255,.05);pointer-events:none;line-height:1}
.side-panel .side-line{font-size:13px;color:#F57C00;font-weight:600;margin-bottom:16px;letter-spacing:.5px}
.side-panel ul{display:grid;gap:15px;margin-top:24px;margin-bottom:13px}
.side-panel ul li{display:flex;gap:9px;font-size:14.5px;color:#DEE5EB;line-height:1.75}
.side-panel ul i{color:#F57C00;font-style:normal}
.side-panel strong{color:#fff;font-weight:600}
@media(max-width:991px){.intro-wrap{grid-template-columns:1fr;gap:30px}}

/* 装备矩阵卡片 */
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.product-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;display:flex;flex-direction:column}
.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#d8dcE2}
.product-card .imgbox{position:relative;height:178px;overflow:hidden;background:#EFF2F5;display:flex}
.product-card .imgbox::before{content:"";position:absolute;left:0;bottom:0;width:100%;height:70px;background:linear-gradient(180deg,rgba(16,20,24,0),rgba(16,20,24,.65));z-index:1;opacity:.9}
.product-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.product-card:hover img{transform:scale(1.06)}
.product-card .card-content{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.product-card h3{font-size:18px;color:var(--dark);font-weight:700;line-height:1.5;margin-bottom:10px}
.product-card p{font-size:14px;line-height:1.85;color:var(--text-muted);flex:1}
.product-card .link-more{color:var(--primary);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px;margin-top:18px;border-top:1px solid var(--line);padding-top:14px;transition:gap .2s}
.product-card .link-more:hover{gap:10px;color:var(--primary-dark)}
@media(max-width:1023px){.product-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:567px){.product-grid{grid-template-columns:1fr}}
.product-grid .product-head-card{background:linear-gradient(145deg,var(--dark) 10%,#1c2934);color:#fff;border:none;padding:26px 24px;display:flex;height:100%;justify-content:flex-end;flex-direction:column;min-height:330px}
.product-head-card h3{font-size:21px;color:#fff;line-height:1.55}
.product-head-card p{color:#B7C4CF;margin-top:12px;font-size:14.5px}
.product-head-card .sec-badge{display:inline-flex;align-items:center;gap:8px;color:#F57C00;font-weight:700;font-size:13px;padding:5px 12px;border-radius:20px;background:rgba(245,124,0,.12);margin-bottom:14px;align-self:flex-start}
@media(max-width:1023px){
  .product-head-card{min-height:auto}
  .product-head-card p{display:none}
}

/* 应用场景 */
.scene-matrix{display:grid;grid-template-columns:1.1fr 1fr;gap:24px}
.scene-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;min-height:260px;display:flex;align-items:flex-end;background:#16232E}
.scene-card img{position:absolute;left:0;top:0;width:100%;height:100%;object-fit:cover;opacity:.86;transition:transform .35s ease}
.scene-card::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:100%;background:linear-gradient(180deg,rgba(16,20,24,0) 22%,rgba(16,20,24,.74) 100%);transition:opacity .3s}
.scene-card:hover img{transform:scale(1.04)}
.scene-card .scene-txt{position:relative;z-index:3;padding:24px 22px;color:#fff}
.scene-card .scene-txt h3{font-size:20px;font-weight:700;margin-bottom:8px}
.scene-card .scene-txt p{font-size:14px;line-height:1.8;color:#D9E0E6;max-width:520px}
.scene-card.small{min-height:190px}
@media(max-width:991px){.scene-matrix{grid-template-columns:1fr}.scene-card{min-height:210px}}
.scene-list{display:grid;grid-template-columns:1fr 1fr;gap:16px 20px;margin-top:30px;background:#fff;padding:32px;border:1px solid var(--border);border-radius:var(--radius-lg)}
.scene-list li{display:flex;gap:10px;flex-direction:column;font-size:15px;color:var(--text)}
.scene-list li i{color:var(--primary);font-style:normal;font-weight:800;font-family:var(--num);background:rgba(200,33,33,.05);border-radius:4px;height:30px;width:34px;display:inline-flex;align-items:center;justify-content:center;font-size:16px;margin-bottom:5px}
.scene-list li b{font-weight:600;color:var(--dark)}
.scene-list li span{color:var(--text-muted);font-size:14px;line-height:1.75}
@media(max-width:640px){.scene-list{grid-template-columns:1fr;padding:24px}}

/* 流程 */
.process-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.process-step{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px 24px;position:relative;transition:box-shadow .25s ease,transform .2s ease;overflow:hidden}
.process-step:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.process-step::before{content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;background:rgba(200,33,33,.18);border-radius:3px}
.process-step:hover::before{background:var(--primary)}
.process-step .step-no{font-family:var(--num);font-weight:800;font-size:34px;line-height:1;color:rgba(200,33,33,.3);transition:color .2s}
.process-step:hover .step-no{color:var(--primary)}
.process-step h3{color:var(--dark);font-size:17px;line-height:1.5;margin-top:20px;margin-bottom:10px}
.process-step p{font-size:14px;line-height:1.8;color:var(--text-muted)}
@media(max-width:1023px){
 .process-steps{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:520px){
 .process-steps{grid-template-columns:1fr}
}

/* 测试科目深色条 */
.testing-panel{background:linear-gradient(135deg,var(--dark) 0%,#1a2730 70%,var(--dark-soft) 100%);border-radius:var(--radius-lg);color:#fff;overflow:hidden;display:grid;grid-template-columns:.9fr 1.1fr}
.testing-intro{background:rgba(245,124,0,.08);padding:32px}
.testing-intro .ff{font-weight:700;color:#F57C00;font-size:13px;letter-spacing:1px}
.testing-intro h3{font-size:24px;margin:16px 0 12px;line-height:1.5;color:#fff;font-weight:700}
.testing-intro p{font-size:14.5px;color:#C3CFD8;line-height:1.9}
.test-tags{display:grid;grid-template-columns:1fr 1fr}
.test-tags li{border-bottom:1px solid rgba(255,255,255,.08);padding:20px 22px;font-size:14.5px;color:#E8EEF2;display:flex;gap:12px;align-items:flex-start;line-height:1.7}
.test-tags li b{color:#fff;font-weight:600}
.test-tags li i{color:#F57C00;font-style:normal}
@media(max-width:767px){.testing-panel{grid-template-columns:1fr}.testing-intro{padding:24px}.test-tags li{padding:16px}}

/* 交付保障 */
.assure-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.assure-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px 24px}
.assure-card .ic{width:42px;height:42px;border-radius:8px;background:rgba(200,33,33,.07);display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--primary);margin-bottom:18px}
.assure-card h3{font-size:17px;color:var(--dark);margin-bottom:10px}
.assure-card p{font-size:14px;color:var(--text-muted);line-height:1.85}
@media(max-width:900px){.assure-grid{grid-template-columns:1fr}}

/* FAQ */
.faq-wrap{max-width:900px;margin:0 auto;background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}
.faq-item{border-bottom:1px solid var(--line);transition:background .2s}
.faq-item:last-child{border-bottom:none}
.faq-q{display:flex;width:100%;justify-content:space-between;align-items:center;gap:16px;padding:22px 28px;font-size:16px;font-weight:600;color:var(--dark);text-align:left;border:none;background:transparent;line-height:1.6;transition:color .2s}
.faq-q .q-mark{color:var(--primary);font-weight:800;margin-right:10px}
.faq-q .opt{flex:1}
.faq-q .arrow-icon{flex:0 0 auto;color:var(--text-muted);font-size:13px;transition:transform .28s}
.faq-q:hover{color:var(--primary);background:#FBFBFB}
.faq-a{opacity:0;max-height:0;overflow:hidden;transition:opacity .25s ease,max-height .4s ease,padding .3s ease;padding-left:28px;padding-right:28px}
.faq-item.open .faq-q{color:var(--primary)}
.faq-item.open .faq-q .arrow-icon{transform:rotate(180deg)}
.faq-item.open .faq-a{max-height:4000px;opacity:1;padding-bottom:26px;overflow:visible}
.faq-a p{color:var(--text-muted);font-size:15px;line-height:1.95;border-left:3px solid var(--primary);background:#FBFCFC;padding:14px 18px;border-radius:0 var(--radius-sm) var(--radius-sm) 0}
@media(max-width:640px){
 .faq-q{padding:17px 17px;font-size:15px}
 .faq-a{padding-left:17px;padding-right:17px}
 .faq-item.open .faq-a{padding-bottom:20px}
}

/* CTA 表单 */
.apply-panel{position:relative;border-radius:var(--radius-lg);overflow:hidden;background:linear-gradient(120deg,var(--dark-soft) 15%,#22313d 55%,#6b2a20);color:#fff}
.apply-panel::before{content:"";position:absolute;right:-100px;top:-100px;width:360px;height:360px;border:32px solid rgba(200,33,33,.13);border-radius:50%}
.apply-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;padding:48px 50px}
.apply-copy h2{color:#fff;font-size:30px;margin-bottom:14px}
.apply-copy p{color:#D9E0E6 !important;font-size:15.5px;line-height:1.9}
.apply-tel{display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.06);border-radius:var(--radius-md);padding:14px 20px;margin-top:24px;max-width:440px}
.apply-tel span{font-size:14px;color:#B4C1CC}
.apply-tel strong{font-size:24px;color:#fff;font-family:var(--num)}
.apply-form{background:#fff;padding:32px 30px;padding-bottom:26px;border-radius:var(--radius-md);color:var(--text)}
.apply-form label{display:block;font-size:13.5px;color:var(--text);font-weight:600;margin-bottom:8px}
.apply-form .field{margin-bottom:17px}
.form-input{display:block;width:100%;height:46px;padding:0 14px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:15px;background:var(--bg);color:var(--text);transition:border-color .2s,box-shadow .2s}
.form-input:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(200,33,33,.13)}
.form-note{font-size:12.5px;color:var(--text-muted);margin-top:10px;line-height:1.7}
.submit-success{display:none;background:#EFFBF0;border:1px solid #C7E8C8;color:#1C7E2F;border-radius:var(--radius-sm);padding:12px 14px;font-size:14px;margin-top:12px;line-height:1.6}
@media(max-width:900px){
 .apply-grid{grid-template-columns:1fr;padding:32px 24px;gap:28px}
 .apply-copy h2{font-size:26px}
 .apply-tel strong{font-size:20px}
}

/* 多区块层 */
.white-bg{background:#fff}
.gray-bg{background:var(--bg)}
.deep-bg{background:#F1F3F5}
.section-badge{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-size:13.5px;font-weight:700;background:rgba(200,33,33,.05);padding:5px 14px;border-radius:4px;margin-bottom:14px}
.alt-window{outline:none;width:100%}

/* 页脚 */
.site-footer{background:#101418;color:#9FAAB2;margin-top:0}
.site-footer .container{padding-top:60px;padding-bottom:30px}
.footer-top{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:45px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px}
.footer-brand .brand-shield{background:var(--primary)}
.footer-brand strong{display:block;color:#F7F9FA;font-size:19px;font-weight:700}
.footer-brand small{display:block;color:#9FAAB2;font-size:12px;margin-top:4px;letter-spacing:.6px}
.footer-about{font-size:14px;line-height:1.95;color:#A4AEB8;margin-bottom:6px;max-width:350px}
.footer-title{font-size:15px;color:#fff;font-weight:600;margin-bottom:18px}
.footer-links li,.footer-contact li{font-size:13.5px;line-height:1.8;margin-bottom:11px}
.footer-links a{color:#9FAAB2;transition:color .2s}
.footer-links a:hover{color:#fff;padding-left:3px}
.footer-contact{color:#B1BAC2}
.fc-tel{font-family:var(--num);font-size:23px;color:#fff;font-weight:700;letter-spacing:.7px;line-height:1.2}
.footer-btn-re{padding-left:0}
.promise-strip{border-top:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08);margin-top:30px;margin-bottom:22px;padding:16px 0}
.promise-inner{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.promise-item{display:flex;align-items:center;gap:8px;color:#B8C0C9;font-size:13px}
.promise-item i{font-style:normal;color:#F57C00;font-weight:800}
.footer-bottom{display:flex;justify-content:space-between;gap:10px;font-size:13px;color:#7B858F;padding-top:18px}
.footer-bottom .cert{display:flex;gap:20px}
@media(max-width:1023px){.footer-top{grid-template-columns:1fr 1fr;gap:30px}.footer-about{max-width:none}}
@media(max-width:740px){
 .footer-top{grid-template-columns:1fr;gap:25px}
 .promise-inner{flex-direction:column;gap:6px}
 .footer-bottom{flex-direction:column;text-align:center}
 .footer-bottom .cert{justify-content:center;gap:13px;flex-wrap:wrap}
 .site-footer .container{padding-top:45px}
}