/* roulang page: index */
:root{
  --bg-void:#0C0D10;
  --bg-noise:#121318;
  --surface-page:#F3F4F6;
  --surface-card:#FFFFFF;
  --surface-sunken:#E9EBEF;
  --text-primary:#1C1E22;
  --text-secondary:#555B66;
  --text-tertiary:#8A919E;
  --line-rule:#DDE1E7;
  --brand-strong:#0E7A6E;
  --brand-teal:#16B8A6;
  --brand-flash:#7BE3C0;
  --warn-solid:#F5B544;
  --radius-md:10px;
  --radius-sm:8px;
  --radius-link:4px;
  --card-shadow:0 2px 8px rgba(23,26,31,.06),0 12px 32px rgba(23,26,31,.05);
  --card-shadow-hover:0 4px 12px rgba(23,26,31,.08),0 18px 40px rgba(23,26,31,.09);
  --font-body:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-display:Inter,"DIN Alternate",system-ui,-apple-system,"PingFang SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  background:var(--surface-page);
  color:var(--text-primary);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
ul,ol{list-style:none}
.container{max-width:1160px;margin:0 auto;padding:0 24px}
.container--narrow{max-width:960px}
::selection{background:rgba(22,184,166,.22)}
:focus-visible{outline:2px solid var(--brand-teal);outline-offset:2px}

/* 顶部信息条 */
.site-topbar{background:var(--bg-void);color:#AEB4BE;font-size:12.5px;height:38px;display:flex;align-items:center}
.site-topbar .topbar-flex{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%}
.topbar-l{display:flex;align-items:center;gap:9px;min-width:0}
.lock-icon{color:var(--brand-flash);font-size:13px}
.domain-text{font-weight:600;color:#DDE1E7;letter-spacing:.02em}
.topbar-r{display:flex;align-items:center;gap:20px;white-space:nowrap}
.topbar-r a{color:#B8BEC8;font-size:12.5px;transition:color .2s}
.topbar-r a:hover{color:var(--brand-flash)}
.topbar-divider{width:1px;height:12px;background:rgba(255,255,255,.18)}
.topbar-chip{display:inline-flex;align-items:center;gap:5px;background:rgba(123,227,192,.1);border:1px solid rgba(123,227,192,.2);color:#B9EADB;border-radius:999px;padding:2px 10px}

/* 品牌导航 */
.site-nav{background:#fff;border-bottom:1px solid var(--line-rule);position:relative;z-index:20}
.nav-main{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:18px}
.brand{display:flex;align-items:center;gap:12px;min-width:0;padding:10px 0}
.brand-mark{flex:0 0 auto;width:42px;height:42px;border-radius:10px;background:var(--text-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:800;font-size:23px;position:relative;overflow:hidden}
.brand-mark::after{content:"";position:absolute;width:30px;height:30px;border:2px solid var(--brand-flash);border-radius:50%;opacity:.5;top:-12px;left:-10px}
.brand-word{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:20px;font-weight:800;color:var(--text-primary);letter-spacing:.02em;white-space:nowrap}
.brand-sub{font-size:10.5px;color:var(--text-tertiary);letter-spacing:.18em;text-transform:uppercase;font-weight:600;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{font-size:15px;color:var(--text-secondary);font-weight:500;padding:10px 16px;border-radius:6px;position:relative;transition:color .2s,background .2s}
.nav-links a:hover{color:var(--brand-strong);background:rgba(22,184,166,.08)}
.nav-links a.is-active{color:var(--brand-strong);font-weight:700}
.nav-links a.is-active::after{content:"";position:absolute;left:16px;right:16px;bottom:3px;height:2px;background:var(--brand-strong);border-radius:2px}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:8px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;border-radius:var(--radius-link);min-height:44px;padding:0 22px;font-size:15px;border:1px solid transparent;cursor:pointer;transition:background .2s,color .2s,border-color .2s,box-shadow .2s,transform .15s;line-height:1;text-align:center}
.btn--brand{background:var(--brand-strong);color:#fff;box-shadow:0 6px 16px rgba(14,122,110,.16)}
.btn--brand:hover{background:#0b645a;box-shadow:0 10px 22px rgba(14,122,110,.24);transform:translateY(-1px)}
.btn--brand:active{transform:scale(.98)}
.btn--ghost{border-color:rgba(255,255,255,.55);color:#fff;background:transparent}
.btn--ghost:hover{border-color:var(--brand-flash);color:var(--brand-flash);background:rgba(22,184,166,.08)}
.btn--white{background:#fff;color:var(--brand-strong)}
.btn--white:hover{background:#EFF9F7;transform:translateY(-2px)}
.btn--outline-white{border-color:rgba(255,255,255,.65);color:#fff;background:transparent}
.btn--outline-white:hover{border-color:#fff;background:rgba(255,255,255,.12)}
.btn--sm{min-height:40px;padding:0 16px;font-size:14px}
.nav-cta{min-height:42px;padding:0 18px;font-size:14px}
.nav-burger{display:none;width:42px;height:42px;align-items:center;justify-content:center;border:1px solid var(--line-rule);background:#fff;border-radius:8px;color:var(--text-primary);font-size:18px;cursor:pointer}
.nav-burger:hover{background:#F5F8F7;color:var(--brand-strong)}
.mobile-nav-panel{position:fixed;left:16px;right:16px;bottom:14px;background:#fff;border-radius:16px;box-shadow:0 -8px 40px rgba(0,0,0,.24),0 18px 60px rgba(0,0,0,.18);z-index:99;padding:14px;transform:translateY(140%);transition:transform .28s ease;visibility:hidden}
.mobile-nav-panel.is-open{transform:translateY(0);visibility:visible}
.mobile-nav-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.mobile-nav-grid a{display:flex;align-items:center;gap:10px;padding:13px 12px;border-radius:8px;background:var(--surface-page);color:var(--text-secondary);font-weight:600;font-size:15px}
.mobile-nav-grid a i{width:20px;color:var(--brand-teal)}
.mobile-nav-close{position:absolute;top:-12px;right:12px;width:40px;height:40px;border-radius:50%;background:var(--text-primary);color:#fff;border:0;font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 18px rgba(0,0,0,.22)}
.mobile-nav-close:hover{background:#2a2d34}

/* Hero */
.hero{position:relative;background:var(--bg-void);color:#fff;overflow:hidden;min-height:600px;display:flex;align-items:center}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(102deg,rgba(10,12,16,.96) 0%,rgba(10,12,16,.88) 50%,rgba(12,13,16,.55) 100%)}
.hero-pattern{position:absolute;right:-40px;top:-40px;width:520px;height:520px;border:1px solid rgba(123,227,192,.18);border-radius:50%;pointer-events:none}
.hero-pattern::after{content:"";position:absolute;inset:70px;border:1px solid rgba(22,184,166,.16);border-radius:50%}
.hero-inner{position:relative;z-index:2;width:100%;padding:68px 0 62px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:10px;border:1px solid rgba(123,227,192,.35);background:rgba(123,227,192,.08);border-radius:999px;padding:6px 15px;color:#A7F0DA;font-size:13px;letter-spacing:.05em;margin-bottom:24px}
.hero-eyebrow i{font-size:9px;color:var(--brand-flash)}
.hero-title{font-size:46px;line-height:1.18;font-weight:800;letter-spacing:-.02em;color:#fff}
.hero-brand{display:block;color:#fff;font-weight:900}
.hero-subline{font-size:20px;font-weight:500;color:#C3D4D1;margin-top:6px;letter-spacing:.02em}
.hero-lead{margin-top:22px;max-width:600px;font-size:16px;line-height:1.8;color:#BBC3CC}
.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:14px;margin-top:36px}
.hero-actions .btn{min-width:146px;min-height:48px}
.hero-note{font-size:12.5px;color:#7C8694;margin-top:20px;display:flex;align-items:center;gap:8px}
.scroll-line{position:absolute;right:28px;top:68px;bottom:42px;width:1px;background:rgba(255,255,255,.16);overflow:hidden}
.scroll-line::after{content:"";position:absolute;left:0;top:-90px;width:1px;height:90px;background:var(--brand-flash);animation:scrollDown 2.6s linear infinite}
@keyframes scrollDown{0%{transform:translateY(0)}100%{transform:translateY(600px)}}
.vertical-tag{writing-mode:vertical-rl;position:absolute;right:10px;bottom:20px;font-size:10px;color:rgba(255,255,255,.35);letter-spacing:.4em;font-weight:700}
.hero-side{position:absolute;right:44px;top:50%;transform:translateY(-50%);z-index:3;width:330px;display:block}
.hero-card-badge{background:rgba(17,20,25,.78);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:20px 20px 16px;backdrop-filter:blur(8px);color:#fff;box-shadow:0 18px 50px rgba(0,0,0,.34)}
.hcb-top{display:flex;align-items:center;gap:8px;color:var(--brand-flash);font-size:12px;font-weight:700;letter-spacing:.08em}
.hcb-title{font-size:18px;font-weight:800;margin-top:14px;line-height:1.45;color:#EAF4F2}
.hcb-desc{color:#98A2AC;font-size:13px;margin-top:10px;line-height:1.7}
.hcb-btn{display:inline-flex;align-items:center;color:var(--brand-flash);font-size:13px;font-weight:600;margin-top:16px}
.hcb-btn i{margin-left:6px;transition:transform .2s}
.hcb-btn:hover i{transform:translateX(5px)}
.hcb-sep{height:1px;margin:18px 0 0;background:rgba(255,255,255,.1)}
.hcb-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag-pill{padding:3px 10px;border-radius:999px;background:rgba(22,184,166,.12);border:1px solid rgba(22,184,166,.22);color:#93D9CC;font-size:12px}

/* 统计指标 */
.info-strip{padding:42px 0;background:#fff;border-bottom:1px solid var(--line-rule)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-rule)}
.stat-cell{background:#fff;padding:26px 22px;text-align:center}
.stat-num{font-family:var(--font-display);font-size:34px;font-weight:800;color:var(--brand-strong);letter-spacing:-.02em}
.stat-num small{font-size:15px;font-weight:700;color:var(--text-tertiary);margin-left:4px}
.stat-label{font-size:14px;color:var(--text-secondary);margin-top:6px}

/* 通用标题 */
.section-head{margin-bottom:32px;position:relative}
.kicker{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:700;color:var(--brand-strong);letter-spacing:.06em;margin-bottom:10px}
.kicker::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-teal);box-shadow:0 0 0 3px rgba(22,184,166,.14)}
.h2-title{font-size:32px;line-height:1.3;font-weight:800;letter-spacing:-.01em;color:var(--text-primary)}
.h2-sub{color:var(--text-secondary);font-size:16px;margin-top:8px;max-width:680px}

/* feature 01 */
.feature-welcome{padding:80px 0;background:var(--surface-page)}
.feature01-grid{display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:58px}
.f01-media{position:relative;padding-bottom:12px;margin-left:12px}
.f01-media-main{border-radius:16px;overflow:hidden;box-shadow:0 24px 60px rgba(23,26,31,.14);transform:rotate(-1.4deg)}
.f01-media-main img{width:100%;aspect-ratio:4/3;object-fit:cover}
.f01-media-float{position:absolute;right:-20px;bottom:-10px;background:var(--surface-card);width:45%;border-radius:14px;box-shadow:0 18px 46px rgba(23,26,31,.18);overflow:hidden;transform:rotate(2deg);border:6px solid #fff}
.f01-media-float img{width:100%;aspect-ratio:1.1;object-fit:cover}
.f01-soft{width:230px;height:230px;border-radius:50%;background:rgba(22,184,166,.1);position:absolute;left:-40px;top:-35px;z-index:-1}
.f02-flow{display:flex;flex-direction:column;gap:18px}
.flow-row{display:grid;grid-template-columns:32px 1fr;gap:14px;padding:18px 20px;background:#fff;border:1px solid var(--line-rule);border-radius:12px;transition:box-shadow .22s,transform .22s}
.flow-row:hover{box-shadow:var(--card-shadow-hover);transform:translateY(-2px)}
.flow-num{font-family:var(--font-display);font-size:20px;font-weight:800;color:var(--brand-teal)}
.flow-copy h3{font-size:18px;font-weight:700;color:var(--text-primary)}
.flow-copy p{font-size:14px;color:var(--text-secondary);margin-top:5px;line-height:1.7}
.flow-link{font-size:14px;font-weight:600;color:var(--brand-strong);margin-top:12px;display:inline-block}
.flow-link i{transition:transform .2s;font-size:12px}
.flow-link:hover i{transform:translateX(4px)}

/* feature02 */
.feature-cards{padding:78px 0;background:#fff;border-top:1px solid var(--line-rule);border-bottom:1px solid var(--line-rule)}
.edition-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.edition-card{background:#F8F9FB;border:1px solid var(--line-rule);border-radius:14px;padding:28px 22px 24px;position:relative;overflow:hidden;transition:all .24s}
.edition-card::before{content:"";display:block;width:44px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--brand-teal),var(--brand-flash));margin-bottom:22px}
.edition-card:hover{transform:translateY(-4px);box-shadow:var(--card-shadow-hover);background:#fff}
.edition-no{font-family:var(--font-display);font-size:13px;font-weight:800;letter-spacing:.1em;color:var(--text-tertiary);margin-bottom:2px}
.edition-title{font-size:17px;font-weight:800;color:var(--text-primary);margin-top:6px}
.edition-desc{font-size:13.5px;color:var(--text-secondary);line-height:1.7;margin-top:10px}
.edition-link{margin-top:18px;display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:var(--brand-strong)}
.edition-link i{font-size:12px;transition:transform .2s}
.edition-link:hover i{transform:translateX(4px)}

/* 大型图墙 */
.big-media-section{position:relative;padding:0;background:#0C0D10;color:#fff;overflow:hidden}
.big-wall{display:grid;grid-template-columns:1.05fr .95fr;min-height:440px}
.big-wall-copy{display:flex;flex-direction:column;justify-content:center;padding:70px 56px;background:linear-gradient(110deg,#101416 0%,#151A1E 66%,#0F1617 100%);}
.big-wall-copy .kicker{color:var(--brand-flash)}
.big-wall-copy .h2-title{color:#fff}
.big-wall-copy p{color:#C3CCD0;font-size:15.5px;max-width:468px;margin-top:16px}
.big-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
.big-wall-media{position:relative;min-height:300px;overflow:hidden}
.big-wall-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .7s ease}
.big-wall-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,17,19,.35),rgba(13,17,19,0));}
.big-media-sub{position:absolute;right:0;bottom:0;left:0;padding:80px 27px 22px;background:linear-gradient(0deg,rgba(12,13,16,.86),rgba(12,13,16,0));z-index:1;display:flex;justify-content:space-between;align-items:end}
.big-media-sub span{font-weight:700;font-size:15px}
.big-media-sub small{font-size:12px;color:#A9B9BE;margin-left:10px}
.big-media-sub .readmore{color:var(--brand-flash)}

/* 首页资讯 */
.news-section{padding:80px 0;background:var(--surface-page);overflow:hidden}
.news-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:26px;align-items:start}
.news-main-card{margin-bottom:22px}
.news-main-card a{display:grid;grid-template-columns:.92fr 1.08fr;background:#fff;border-radius:14px;overflow:hidden;border:1px solid var(--line-rule);box-shadow:var(--card-shadow);transition:transform .24s,box-shadow .24s}
.news-main-card a:hover{transform:translateY(-3px);box-shadow:var(--card-shadow-hover)}
.news-main-card .nm-media{min-height:180px;overflow:hidden}
.news-main-card .nm-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.news-main-card a:hover img{transform:scale(1.04)}
.nm-body{padding:24px 28px;display:flex;flex-direction:column;justify-content:center}
.nm-tag{display:inline-flex;width:fit-content;background:rgba(22,184,166,.1);color:var(--brand-strong);padding:2px 12px;border-radius:99px;font-size:12px;font-weight:700}
.nm-body h3{font-size:20px;line-height:1.5;font-weight:800;color:var(--text-primary);margin:12px 0 10px}
.nm-body p{font-size:14.5px;color:var(--text-secondary);line-height:1.75;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.nm-meta{display:flex;gap:18px;margin-top:18px;font-size:13px;color:var(--text-tertiary);align-items:center}
.news-sub-card{margin-bottom:14px;background:#fff;border-radius:12px;border:1px solid var(--line-rule);box-shadow:0 2px 8px rgba(23,26,31,.05);overflow:hidden;transition:transform .22s,box-shadow .22s}
.news-sub-card a{display:grid;grid-template-columns:150px 1fr}
.news-sub-card:hover{transform:translateY(-2px);box-shadow:var(--card-shadow-hover)}
.news-sub-card .ns-media img{width:100%;height:100%;min-height:116px;object-fit:cover}
.ns-body{padding:14px 16px}
.ns-body h4{font-size:15px;font-weight:700;line-height:1.55;color:var(--text-primary);overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.ns-body time{font-size:12px;color:var(--text-tertiary);margin-top:8px;display:block}
.news-statusbar{display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--surface-sunken);color:var(--text-secondary);font-size:12.5px;padding:11px 14px;border-radius:8px;margin-bottom:20px;flex-wrap:wrap}
.news-statusbar i{color:var(--brand-teal)}
.empty-inline{background:rgba(255,255,255,.72);border:1px dashed #C9D0DB;border-radius:12px;padding:38px 20px;text-align:center;color:var(--text-secondary);font-size:14px;margin-bottom:12px}
.empty-inline b{display:block;color:var(--text-primary);font-size:15px;margin-bottom:6px;font-weight:700}

/* FAQ */
.faq-section{padding:76px 0;background:#fff;border-top:1px solid var(--line-rule)}
.faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:46px;align-items:start}
.faq-left{position:sticky;top:16px}
.faq-tip{background:var(--surface-page);border:1px solid var(--line-rule);border-radius:12px;padding:18px;font-size:13.5px;color:var(--text-secondary);margin-top:22px;line-height:1.8}
.faq-tip i{color:var(--brand-teal);margin-right:8px}
.accordion.faq-ac{border:0;background:transparent}
.faq-ac .accordion-item{border:1px solid var(--line-rule);border-radius:10px;margin-bottom:12px;background:#fff;overflow:hidden}
.faq-ac .accordion-item.is-active{border-color:rgba(22,184,166,.35);box-shadow:0 8px 20px rgba(14,122,110,.1)}
.faq-ac .accordion-title{border:0;background:transparent;font-size:15px;font-weight:700;color:var(--text-primary);padding:16px 48px 16px 18px;position:relative;font-family:var(--font-body);line-height:1.5;transition:color .2s}
.faq-ac .accordion-title:hover{color:var(--brand-strong)}
.faq-ac .accordion-title::before{content:"+";position:absolute;right:16px;top:50%;transform:translateY(-50%);width:24px;height:24px;border-radius:50%;background:var(--surface-sunken);color:var(--text-primary);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;transition:transform .2s,background .2s;font-family:var(--font-body)}
.faq-ac .accordion-item.is-active .accordion-title{color:var(--brand-strong)}
.faq-ac .accordion-item.is-active .accordion-title::before{content:"−";transform:translateY(-50%);background:var(--brand-strong);color:#fff}
.faq-ac .accordion-content{border-top:1px solid var(--line-rule);padding:6px 18px 18px;font-size:14px;line-height:1.85;color:var(--text-secondary)}
.faq-ac .accordion-content p{margin-top:14px}

/* CTA */
.cta-band{position:relative;background:var(--bg-void);color:#fff;overflow:hidden;padding:74px 0}
.cta-band .cta-bg{position:absolute;inset:0;background:url("/assets/images/backpic/back-2.webp") center/cover no-repeat;opacity:.36}
.cta-band .cta-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,12,15,.95) 0%,rgba(10,12,15,.72) 100%)}
.cta-inner{position:relative;z-index:2;text-align:center}
.cta-inner .h2-title{color:#fff;font-size:30px}
.cta-inner p{color:#C2CBD3;max-width:560px;margin:14px auto 0;font-size:15px}
.cta-btn-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:30px}

/* footer */
.site-footer{background:#101216;color:#9AA3AC;font-size:14px}
.footer-main{padding:54px 0 30px}
.footer-col{display:flex;flex-direction:column;gap:10px}
.footer-brand-big{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.footer-brand-big .brand-name{color:#fff}
.footer-desc{font-size:13.5px;line-height:1.9;color:#7F8892;max-width:330px}
.footer-word{font-size:20px;font-weight:800;color:#fff}
.footer-title-row{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:#EFF2F5;margin-bottom:4px}
.footer-title-row::before{content:"";width:3px;height:16px;border-radius:3px;background:var(--brand-teal)}
.footer-links li{margin-bottom:11px}
.footer-links a{color:#9AA3AC;transition:color .2s,padding-left .2s}
.footer-links a:hover{color:var(--brand-flash);padding-left:4px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tags a,.footer-tags span{padding:4px 11px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);border-radius:999px;color:#7F8892;font-size:12px}
.footer-sep{border:0;border-top:1px solid rgba(255,255,255,.1);margin:22px 0 18px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px;padding-bottom:26px;font-size:12.5px;color:#6E7680}
.footer-bottom .f-copy b{font-weight:400;color:#9AA3AC}
.footer-support{display:flex;gap:14px}
.footer-support a{color:#7F8892;font-size:12px}

/* 响应式 */
@media(max-width:1023px){
  .nav-links{display:none}
  .nav-burger{display:inline-flex}
  .nav-tools .btn--desktop{display:none}
  .hero-side{display:none}
  .edition-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .news-layout{grid-template-columns:1fr}
  .news-rail{display:grid;grid-template-columns:1fr 1fr;gap:14px}
  .news-rail .news-card-rail{margin-bottom:0}
  .faq-layout{grid-template-columns:1fr;gap:20px}
  .faq-left{position:static}
  .big-wall{grid-template-columns:1fr}
  .big-wall-media{min-height:300px}
}
@media(max-width:767px){
  .site-topbar{height:41px}
  .topbar-r a.meta-hide-m{display:none}
  .topbar-r a.meta-keep-m{margin-right:4px}
  .container{padding:0 16px}
  .nav-main{min-height:64px;gap:10px}
  .brand-name{font-size:17px}
  .brand-sub{display:none}
  .brand-mark{width:38px;height:38px;font-size:20px}
  .nav-cta{min-height:38px;padding:0 13px;font-size:13.5px;}
  .feature-welcome,.feature-cards,.news-section,.faq-section{padding:54px 0}
  .feature01-grid{grid-template-columns:1fr;gap:40px;padding-top:14px}
  .f01-media{margin-left:8px}
  .f01-media-float{right:-4px}
  .flow-row{padding:16px 15px}
  .h2-title{font-size:26px}
  .hero-title{font-size:32px}
  .hero-subline{font-size:17px;margin-top:8px}
  .hero-lead{font-size:14.5px;margin-top:18px}
  .hero-actions .btn{min-width:100%;margin-bottom:0}
  .hero-actions{flex-direction:column}
  .hero{min-height:540px}
  .hero-inner{padding-top:46px;padding-bottom:42px}
  .scroll-line{display:none}
  .vertical-tag{display:none}
  .stat-grid{grid-template-columns:1fr 1fr;gap:1px}
  .edition-grid{grid-template-columns:1fr;gap:12px}
  .news-rail{grid-template-columns:1fr}
  .news-main-card a{grid-template-columns:1fr}
  .news-main-card .nm-media{min-height:190px;max-height:230px}
  .news-main-card .nm-media img{height:100%}
  .nm-body{padding:18px}
  .news-sub-card a{grid-template-columns:110px 1fr}
  .cta-btn-row .btn{min-width:100%}
  .cta-inner .h2-title{font-size:25px}
  .footer-main .grid-x{row-gap:22px}
  .footer-bottom{justify-content:center;text-align:center}
}
@media(min-width:1024px){
  .mobile-nav-panel{display:none!important}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto}
}

/* roulang page: article */
:root {
  --bg-void: #0C0D10;
  --bg-noise: #121318;
  --surface-page: #F3F4F6;
  --surface-card: #FFFFFF;
  --surface-sunken: #E9EBEF;
  --text-primary: #1C1E22;
  --text-secondary: #555B66;
  --text-tertiary: #8A919E;
  --line-rule: #DDE1E7;
  --brand-strong: #0E7A6E;
  --brand-teal: #16B8A6;
  --brand-flash: #7BE3C0;
  --warn-solid: #F5B544;
  --card-shadow: 0 2px 8px rgba(23, 26, 31, .06), 0 12px 32px rgba(23, 26, 31, .05);
  --card-shadow-hover: 0 4px 12px rgba(23, 26, 31, .08), 0 18px 40px rgba(23, 26, 31, .09);
  --radius-card: 10px;
  --radius-btn: 4px;
  --gutter: 24px;
  --font-main: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-main);
  background: var(--surface-page);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--brand-teal);
  outline-offset: 3px;
}
.container { max-width: 1200px; margin: 0 auto; padding: 0 var(--gutter); }
.grid-container { max-width: 1200px; }

/* ===== Header / Nav ===== */
.site-nav {
  background: #fff;
  border-bottom: 1px solid var(--line-rule);
  position: sticky;
  top: 0;
  z-index: 40;
  box-shadow: 0 1px 0 rgba(0, 0, 0, .02);
}
.nav-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 82px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--brand-strong);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 22px;
  font-weight: 800;
  transform: skew(-6deg);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .18);
  transition: transform .25s ease, background .25s ease;
}
.brand:hover .brand-mark { transform: skew(-6deg) scale(1.04); background: #0C8C7E; }
.brand-word { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name { font-size: 18px; font-weight: 800; letter-spacing: .01em; color: var(--text-primary); }
.brand-sub { font-size: 10px; letter-spacing: .2em; color: var(--text-tertiary); font-weight: 600; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links a {
  position: relative;
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: 8px;
  transition: color .2s ease, background .2s ease;
}
.nav-links a:before {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: var(--brand-teal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}
.nav-links a:hover { color: var(--text-primary); background: #F5F7F9; }
.nav-links a.is-active { color: var(--brand-strong); background: #EAF5F3; }
.nav-links a.is-active:before { transform: scaleX(1); }

.nav-tools { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: var(--radius-btn);
  cursor: pointer;
  font-family: var(--font-main);
  font-weight: 700;
  min-height: 44px;
  padding: 10px 20px;
  transition: background .2s ease, transform .15s ease, border-color .2s ease, box-shadow .2s ease;
  text-align: center;
  line-height: 1.2;
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn--brand { background: var(--brand-strong); color: #fff; box-shadow: 0 2px 6px rgba(14, 122, 110, .2); }
.btn--brand:hover { background: #0B6A60; }
.btn--brand:active { box-shadow: inset 0 1px 4px rgba(0, 0, 0, .15); }
.btn--sm { min-height: 38px; padding: 8px 14px; font-size: 13px; }
.btn--lg { min-height: 48px; padding: 12px 28px; font-size: 16px; }
.btn--outline { background: transparent; border: 1px solid var(--text-primary); color: var(--text-primary); }
.btn--outline:hover { border-color: var(--brand-teal); color: var(--brand-strong); background: rgba(22, 184, 166, .06); }
.btn--light { background: #fff; color: var(--brand-strong); }
.btn--light:hover { background: #EBF7F4; color: #095B52; }
.nav-burger {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-rule);
  background: #fff;
  border-radius: 9px;
  color: var(--text-primary);
  font-size: 17px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color .2s ease, color .2s ease;
}
.nav-burger:hover { border-color: var(--brand-teal); color: var(--brand-strong); }

/* ===== Article Hero ===== */
.article-banner {
  position: relative;
  background:
    linear-gradient(102deg, rgba(8, 10, 14, .95) 0%, rgba(14, 17, 22, .85) 58%, rgba(17, 27, 31, .78) 100%),
    url("/assets/images/backpic/back-2.webp") center / cover no-repeat;
  color: #fff;
  padding: 72px 0 130px;
  overflow: hidden;
}
.article-banner:after {
  content: "";
  position: absolute;
  right: -6%;
  bottom: -150px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(22, 184, 166, .18), transparent 65%);
  pointer-events: none;
}
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: #B7BDC9;
  margin-bottom: 24px;
  position: relative;
  z-index: 2;
}
.breadcrumb a { color: #D7DBE3; transition: color .2s; }
.breadcrumb a:hover { color: var(--brand-flash); }
.breadcrumb i { font-size: 11px; color: #6E7783; }
.breadcrumb em { font-style: normal; color: var(--brand-flash); }
.article-banner .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 30px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--brand-flash);
  background: rgba(255, 255, 255, .04);
  margin-bottom: 20px;
  position: relative;
  z-index: 2;
}
.article-banner h1 {
  max-width: 900px;
  margin: 0 0 18px;
  font-size: clamp(30px, 4vw, 46px);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.18;
  position: relative;
  z-index: 2;
}
.article-banner .hero-sub {
  max-width: 640px;
  font-size: 16px;
  line-height: 1.8;
  color: #C7CDD7;
  margin: 0 0 26px;
  position: relative;
  z-index: 2;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  align-items: center;
  color: #AEB4BE;
  font-size: 13px;
  position: relative;
  z-index: 2;
}
.meta-item { display: inline-flex; align-items: center; gap: 7px; }
.meta-item i { color: var(--brand-flash); }
.meta-divider { width: 1px; height: 14px; background: rgba(255, 255, 255, .24); }

/* ===== Article Panel ===== */
.article-page { margin-top: -72px; position: relative; z-index: 5; }
.article-panel {
  background: #fff;
  border: 1px solid var(--line-rule);
  border-radius: 18px;
  box-shadow: var(--card-shadow);
  padding: 48px 52px 60px;
  margin-bottom: 60px;
}
.article-body {
  max-width: 800px;
  margin: 0 auto;
  font-size: 16.5px;
  line-height: 1.85;
  color: #30343C;
}
.article-body > p { margin: 0 0 1.5em; }
.article-body h2 {
  font-size: 26px;
  line-height: 1.4;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -.01em;
  margin: 2.2em 0 .8em;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-rule);
}
.article-body h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 1.8em 0 .6em;
}
.article-body ul, .article-body ol { margin: 1em 0 1.5em 1.4em; padding: 0; }
.article-body ul li { margin-bottom: .5em; list-style: none; position: relative; padding-left: 1.4em; }
.article-body ul li:before { content: ""; position: absolute; left: 0; top: .75em; width: 7px; height: 7px; background: var(--brand-teal); border-radius: 2px; transform: rotate(45deg); }
.article-body ol li { margin-bottom: .5em; color: #30343C; }
.article-body blockquote {
  margin: 2em 0;
  padding: 22px 28px;
  background: #F2F8F7;
  border-left: 3px solid var(--brand-strong);
  border-radius: 0 10px 10px 0;
  font-size: 16px;
  color: #33434A;
  line-height: 1.8;
}
.article-body blockquote p:last-child { margin-bottom: 0; }
.article-body a { color: var(--brand-strong); border-bottom: 1px solid rgba(14, 122, 110, .3); }
.article-body a:hover { border-color: var(--brand-teal); color: var(--brand-teal); }
.article-body img, .article-body figure img { text-align: center; }
.article-body figure { margin: 2.2em 0; }
.article-body figcaption { font-size: 13.5px; color: #7B828D; text-align: center; margin-top: 12px; }
.article-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  margin: 1.6em 0;
  border-radius: 10px;
  overflow: hidden;
}
.article-body th { background: #E8F4F2; color: #134843; text-align: left; padding: 12px 14px; font-weight: 700; }
.article-body td { padding: 11px 14px; border-bottom: 1px solid var(--line-rule); }
.article-body tr:nth-child(even) td { background: #F7F9FA; }
.article-body strong { color: var(--text-primary); }figcaption {
text-align:center; font-size:13.5px;color:#7B828D;margin-top:10px;
}

.article-end-cta {
  max-width: 800px;
  margin: 46px auto 0;
  background: var(--bg-void);
  border-radius: 16px;
  padding: 34px 38px;
  background-image: linear-gradient(120deg, rgba(22, 184, 166, .1), transparent 65%), url("/assets/images/backpic/back-1.png");
  background-size: cover;
  background-position: center;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}
.article-end-cta:before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(80deg, rgba(9, 11, 15, .93), rgba(10, 14, 18, .72));
  border-radius: 16px;
}
.article-end-cta > * { position: relative; z-index: 1; }
.article-end-cta .end-text h3 { margin: 0 0 6px; font-size: 20px; }
.article-end-cta .end-text p { margin: 0; color: #BAC0CB; font-size: 14px; }
.article-end-cta .btn { min-width: 118px; }

/* ===== Empty ===== */
.article-empty {
  max-width: 820px;
  margin: 56px auto;
  background: #fff;
  border-radius: 20px;
  border: 1px solid var(--line-rule);
  padding: 84px 50px;
  text-align: center;
  box-shadow: var(--card-shadow);
}
.empty-code {
  font-size: 48px;
  font-weight: 800;
  color: #D7DCE3;
  line-height: 1;
  letter-spacing: .06em;
  margin-bottom: 20px;
}
.article-empty h1 { font-size: 30px; margin: 0 0 12px; }
.article-empty p { color: var(--text-secondary); margin: 0 0 28px; }

/* ===== Related Cards ===== */
.related-section {
  padding: 76px 0 90px;
  background: var(--surface-page);
}
.section-heading { text-align: center; max-width: 720px; margin: 0 auto 42px; }
.section-heading .section-kicker {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--brand-strong);
  background: #DFF1ED;
  border-radius: 20px;
  padding: 5px 14px;
  margin-bottom: 14px;
}
.section-heading h2 { font-size: 32px; font-weight: 800; letter-spacing: -.01em; margin: 0 0 14px; }
.section-heading p { color: var(--text-secondary); font-size: 15px; margin: 0; }
.related-grid { row-gap: 18px; }
.article-card {
  background: var(--surface-card);
  border: 1px solid var(--line-rule);
  border-radius: var(--radius-card);
  overflow: hidden;
  height: 100%;
  transition: box-shadow .3s ease, transform .3s ease, border-color .3s ease;
  box-shadow: 0 1px 2px rgba(0, 0, 0, .04);
}
.article-card:hover { box-shadow: var(--card-shadow-hover); border-color: rgba(22, 184, 166, .35); transform: translateY(-4px); }
.article-card .card-thumb { position: relative; overflow: hidden; }
.article-card .card-thumb img { width: 100%; height: 220px; object-fit: cover; transition: transform .6s ease; }
.article-card:hover .card-thumb img { transform: scale(1.03); }
.card-label {
  position: absolute;
  left: 16px;
  top: 16px;
  background: rgba(12, 16, 18, .8);
  backdrop-filter: blur(6px);
  color: #E4F7F2;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, .15);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  letter-spacing: .02em;
}
.card-label i { color: var(--brand-flash); }
.article-card .card-body { padding: 24px 24px 22px; }
.article-card .card-body h3 { font-size: 19px; font-weight: 700; line-height: 1.45; margin: 0 0 10px; }
.article-card .card-body h3 a { transition: color .2s; }
.article-card .card-body h3 a:hover { color: var(--brand-teal); }
.article-card .card-body p { font-size: 14px; color: var(--text-secondary); margin: 0 0 18px; line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-footer { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.card-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { font-size: 12px; color: var(--text-tertiary); background: var(--surface-sunken); padding: 3px 10px; border-radius: 20px; }
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--brand-strong);
  transition: gap .2s ease, color .2s ease;
}
.text-link:hover { gap: 10px; color: var(--brand-teal); }

/* ===== Bottom CTA ===== */
.cta-block {
  background: var(--bg-void);
  color: #fff;
  padding: 72px 0;
  background-image: linear-gradient(90deg, rgba(9, 11, 15, .96) 18%, rgba(9, 11, 15, .72) 100%), url("/assets/images/backpic/back-1.png");
  background-size: cover;
  background-position: center 80%;
}
.cta-inner { text-align: center; max-width: 760px; margin: 0 auto; }
.cta-inner .cta-note { font-size: 13px; letter-spacing: .14em; color: var(--brand-flash); margin-bottom: 16px; text-transform: uppercase; }
.cta-inner h2 { font-size: clamp(25px, 3vw, 36px); font-weight: 800; margin: 0 0 14px; line-height: 1.3; letter-spacing: -.01em; }
.cta-inner p { color: #AFB6C2; font-size: 15px; margin: 0 0 28px; line-height: 1.8; }
.cta-actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }
.cta-bottom-border { height: 4px; background: linear-gradient(90deg, transparent, var(--brand-teal), var(--brand-flash), var(--brand-teal), transparent); opacity: .5; }

/* ===== Footer ===== */
.site-footer {
  background: #101216;
  color: #9097A2;
  padding: 62px 0 0;
}
.footer-main { padding-bottom: 20px; }
.footer-col { margin-bottom: 28px; }
.footer-brand-big { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.footer-brand-big .brand-mark { background: transparent; border: 1px solid rgba(255, 255, 255, .24); transform: none; }
.footer-word { font-size: 20px; font-weight: 800; color: #F0F3F5; }
.footer-desc { font-size: 14px; line-height: 1.8; color: #8D959F; max-width: 360px; margin: 0; }
.footer-title-row {
  font-size: 14px;
  font-weight: 700;
  color: #E3E7ED;
  margin-bottom: 16px;
  letter-spacing: .02em;
  position: relative;
  padding-bottom: 10px;
}
.footer-title-row:after { content: ""; display: block; width: 22px; height: 2px; background: var(--brand-teal); margin-top: 10px; border-radius: 2px; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: #7F8792; font-size: 14px; transition: color .2s, padding-left .2s; display: inline-block; }
.footer-links a:hover { color: var(--brand-flash); padding-left: 3px; }
.footer-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.footer-tags span { font-size: 12px; background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .07); color: #BAC1CA; padding: 4px 11px; border-radius: 20px; transition: background .2s, color .2s; cursor: default; }
.footer-tags span:hover { background: rgba(22, 184, 166, .2); color: #E1F7F2; }
.footer-sep { border: 0; border-top: 1px solid rgba(255, 255, 255, .08); margin: 8px 0 0; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 0 26px; font-size: 13px; color: #666E7A; flex-wrap: wrap; }
.footer-bottom b { color: #AAB2BE; font-weight: 600; }
.footer-support a { color: #9FA6B2; margin-left: 14px; transition: color .2s; font-size: 13px; }
.footer-support a:hover { color: var(--brand-flash); }

/* ===== Animations ===== */
@media (prefers-reduced-motion: reduce) {
  *, *:before, *:after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}

/* ===== Responsive ===== */
@media (max-width: 1023.98px) {
  .nav-links {
    position: fixed;
    left: 16px;
    right: 16px;
    bottom: 14px;
    z-index: 100;
    background: #fff;
    border: 1px solid var(--line-rule);
    border-radius: 18px;
    box-shadow: 0 -6px 30px rgba(0, 0, 0, .08), 0 16px 40px rgba(0, 0, 0, .16);
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    transform: translateY(calc(100% + 28px));
    visibility: hidden;
    opacity: 0;
    transition: transform .3s ease, opacity .25s ease, visibility .25s;
  }
  .nav-links.is-open {
    transform: translateY(0);
    visibility: visible;
    opacity: 1;
  }
  .nav-links a {
    padding: 14px 16px;
    font-size: 16px;
    border-radius: 10px;
  }
  .nav-links a:before { display: none; }
  .nav-burger { display: inline-flex; }
  .article-panel { padding: 34px 26px 44px; }
  .related-grid .cell { margin-bottom: 16px; }
}
@media (max-width: 767.98px) {
  .site-nav .nav-main { min-height: 68px; }
  .brand-name { font-size: 16.5px; }
  .brand-sub { display: none; }
  .brand-mark { width: 36px; height: 36px; font-size: 19px; border-radius: 8px; }
  .nav-tools .btn { padding: 8px 10px; font-size: 12px; }
  .article-banner { padding: 48px 0 120px; }
  .article-banner h1 { font-size: 31px; }
  .article-page { margin-top: -46px; }
  .article-panel { padding: 28px 18px 38px; border-radius: 14px; }
  .article-body { font-size: 15.5px; line-height: 1.82; }
  .article-body h2 { font-size: 23px; }
  .article-body figure { margin: 1.6em 0; }
  .article-body img { width: 100%; height: auto; }
  .article-end-cta { padding: 28px 22px; }
  .article-end-cta { flex-direction: column; }
  .article-end-cta .btn { width: 100%; }
  .section-heading h2 { font-size: 26px; }
  .article-empty { padding: 56px 22px; }
  .cta-block { padding: 52px 0; }
  .footer-bottom { justify-content: flex-start; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .nav-tools .btn i { display: none; }
  .nav-main { gap: 10px; }
  .nav-main .btn { min-height: 36px; font-size: 13px; }
  .nav-links {
    left: 10px;
    right: 10px;
    bottom: 10px;
  }
  .nav-links a { padding: 14px 14px; }
  .article-meta { gap: 8px 14px; font-size: 12.5px; }
  .meta-divider { display: none; }
  .article-body h1 { font-size: 28px; }
  .article-panel { box-shadow: none; border-color: transparent; background: transparent; padding: 0 2px; }
  .article-body { font-size: 15px; }
  .article-end-cta { margin-left: 0; margin-right: 0; }
  .card-actions { width: 100%; }
}

/* roulang page: category1 */
:root{
  --bg-void:#0C0D10;
  --bg-noise:#121318;
  --surface-page:#F3F4F6;
  --surface-card:#FFFFFF;
  --surface-sunken:#E9EBEF;
  --text-primary:#1C1E22;
  --text-secondary:#555B66;
  --text-tertiary:#8A919E;
  --line-rule:#DDE1E7;
  --brand-strong:#0E7A6E;
  --brand-teal:#16B8A6;
  --brand-flash:#7BE3C0;
  --warn-solid:#F5B544;
  --card-shadow:0 2px 8px rgba(23,26,31,.06),0 12px 32px rgba(23,26,31,.05);
  --card-shadow-hover:0 4px 12px rgba(23,26,31,.08),0 18px 40px rgba(23,26,31,.09);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--surface-page);
  color:var(--text-primary);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
body.static-lock{overflow:hidden}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:color .2s ease}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
.container{max-width:1140px;margin:0 auto;padding:0 24px;width:100%}
.section-pad{padding:96px 0}
.section-tight{padding:72px 0}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:8px;
  font-size:15px;font-weight:600;line-height:1;text-decoration:none;
  border:1px solid transparent;transition:background .2s, box-shadow .2s, transform .2s, border-color .2s;
  outline:none;white-space:nowrap;
}
.btn:focus-visible,.ghost-btn:focus-visible,.btn--brand:focus-visible{box-shadow:0 0 0 3px rgba(22,184,166,.35)}
.btn--white{
  background:#fff;color:#0E7A6E;
}
.btn--white:hover{
  background:#E6F4F1;color:#0B675E;transform:translateY(-1px);
  box-shadow:0 10px 28px rgba(0,0,0,.12);
}
.ghost-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:8px;
  font-size:15px;font-weight:600;background:transparent;
  border:1px solid rgba(255,255,255,.72);color:#F3F4F6;transition:all .2s;
}
.ghost-btn:hover{
  border-color:#7BE3C0;color:#7BE3C0;background:rgba(123,227,192,.08);
}
.btn--brand{
  background:var(--brand-strong);color:#fff;
}
.btn--brand:hover{
  background:#0B675E;color:#fff;
  box-shadow:0 12px 28px rgba(14,122,110,.24);transform:translateY(-1px);
}
.btn--outline-dark{
  background:transparent;border:1px solid #1C1E22;color:#1C1E22;
}
.btn--outline-dark:hover{
  border-color:var(--brand-teal);color:var(--brand-teal);background:rgba(22,184,166,.06);
}
.btn--sm{min-height:40px;padding:0 18px;font-size:14px;border-radius:6px}

/* header top strip */
.site-header{background:#fff;position:relative;z-index:100;box-shadow:0 1px 0 rgba(23,26,31,.06)}
.top-strip{
  background:#0C0D10;color:#AEB4BE;font-size:12.5px;
  height:36px;display:flex;align-items:center;
}
.strip-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.strip-left a, .strip-links a{color:#AEB4BE;transition:color .2s}
.strip-left a:hover,.strip-links a:hover{color:#7BE3C0}
.strip-left{display:inline-flex;align-items:center;gap:8px}
.strip-left .sep{color:#58606C;margin:0 4px}
.lock-dot{width:14px;height:14px;border:1px solid rgba(174,180,190,.55);border-radius:4px;display:inline-flex;align-items:center;justify-content:center;font-size:9px;color:#7BE3C0}
.strip-links{display:flex;gap:20px;align-items:center}
.strip-links .spacer{width:1px;height:14px;background:#3A3E46}

/* main nav */
.main-nav{background:#fff}
.nav-inner{display:flex;align-items:center;min-height:80px;gap:28px;flex-wrap:nowrap}
.brand{display:inline-flex;align-items:center;gap:11px;margin-right:auto;min-width:0}
.brand-mark{
  width:42px;height:42px;border-radius:50%;border:2px solid #1C1E22;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:21px;font-weight:800;color:#1C1E22;position:relative;flex:0 0 auto;
}
.brand-mark::after{content:"";position:absolute;width:9px;height:9px;background:#16B8A6;border-radius:50%;top:-1px;right:-1px}
.brand-word{display:flex;flex-direction:column;line-height:1.2;flex-wrap:wrap}
.brand-name{font-size:20px;font-weight:800;letter-spacing:-.01em;color:#1C1E22;}
.brand-sub{font-size:10px;color:#8A919E;letter-spacing:.18em;font-weight:600;}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{
  position:relative;font-size:15px;font-weight:600;color:#555B66;
  padding:12px 0 12px;transition:color .2s;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:4px;width:0;height:2px;
  border-radius:2px;background:linear-gradient(90deg,#0E7A6E,#16B8A6);
  transition:width .25s ease;
}
.nav-links a:hover{color:#1C1E22}
.nav-links a:hover::after{width:100%}
.nav-links a.is-active{color:#1C1E22}
.nav-links a.is-active::after{width:100%}
.nav-tools{display:flex;align-items:center;gap:10px}
.nav-burger{
  width:42px;height:42px;border:1px solid #DDE1E7;border-radius:8px;
  background:#fff;color:#1C1E22;font-size:18px;display:none;align-items:center;justify-content:center;
  transition:all .2s;
}
.nav-burger:hover{color:#0E7A6E;border-color:#16B8A6}

/* mobile drawer */
.drawer-overlay{
  position:fixed;inset:0;background:rgba(8,9,12,.52);opacity:0;visibility:hidden;
  transition:opacity .35s ease,visibility .35s ease;z-index:180;
}
.mobile-drawer{
  position:fixed;left:0;right:0;bottom:0;z-index:200;
  background:#fff;border-radius:22px 22px 0 0;
  box-shadow:0 -24px 60px rgba(0,0,0,.22);
  padding:24px 18px 30px;transform:translateY(104%);
  transition:transform .4s cubic-bezier(.2,.8,.2,1);
  visibility:hidden;
}
.mobile-drawer.open{transform:translateY(0);visibility:visible}
.drawer-overlay.open{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-head .brand-mark{width:34px;height:34px;font-size:16px;border-width:1.5px}
.drawer-title{font-size:14px;color:#8A919E;font-weight:600;letter-spacing:.08em}
.drawer-close{
  width:36px;height:36px;border-radius:50%;border:1px solid #DDE1E7;background:#fff;
  color:#555B66;display:inline-flex;align-items:center;justify-content:center;
}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  display:flex;align-items:center;gap:10px;padding:14px 6px;font-size:16px;
  font-weight:600;color:#1C1E22;border-bottom:1px solid #E9EBEF;
}
.drawer-nav a:hover{color:#0E7A6E;padding-left:10px}
.drawer-nav a.is-active{color:#0E7A6E}
.drawer-cta{margin-top:16px;width:100%}

/* category hero */
.cat-hero{
  position:relative;overflow:hidden;color:#fff;background-color:#0C0D10;
}
.cat-hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  z-index:0;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;background:linear-gradient(95deg,rgba(8,10,12,.95) 0%,rgba(8,10,12,.76) 44%,rgba(8,10,12,.42) 100%);
  z-index:1;pointer-events:none;
}
.cat-hero-vert{
  position:absolute;top:0;right:5%;width:46px;bottom:0;z-index:2;opacity:.25;
  background:repeating-linear-gradient(180deg,#FFFFFF 0px,#FFFFFF 1px,transparent 1px,transparent 8px);
}
.cat-hero-inner{position:relative;z-index:5;padding:72px 0 50px;min-height:520px;display:flex;flex-direction:column;justify-content:center}
.cat-hero .breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  margin-bottom:40px;font-size:13.5px;color:#B8BEC7;
}
.cat-hero .breadcrumb a{color:#C9CED7;transition:color .2s}
.cat-hero .breadcrumb a:hover{color:#7BE3C0}
.crumb-gap{color:#5E6672}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;flex-wrap:wrap;
  margin-bottom:8px;max-width:100%;
}
.hero-badge span{
  display:inline-flex;align-items:center;gap:7px;border:1px solid rgba(123,227,192,.44);
  border-radius:999px;padding:4px 13px;font-size:13px;color:#8FE3C0;
  background:rgba(123,227,192,.07);
}
.cat-hero h1{
  font-size:52px;line-height:1.08;font-weight:800;letter-spacing:-.02em;color:#fff;
  margin:14px 0 22px;text-wrap:balance;
}
.cat-hero .hero-brief{
  max-width:660px;color:#DDE1E7;font-size:17px;line-height:1.8;
  margin-bottom:28px;text-shadow:0 2px 8px rgba(0,0,0,.3);
}
.hero-cta-group{display:flex;flex-wrap:wrap;gap:12px}
.hero-bottom-line{
  position:relative;width:100%;display:flex;align-items:center;justify-content:flex-start;
  margin-top:52px;gap:10px;
}
.scroll-mark{font-size:11px;letter-spacing:.3em;color:#8A919E;text-transform:uppercase}
.hero-dashline{width:150px;height:1px;background:linear-gradient(90deg,#5E6672,transparent)}
@media(max-width:640px){
  .cat-hero h1{font-size:36px}
  .cat-hero .hero-brief{font-size:16px}
  .cat-hero-inner{padding:48px 0 32px;min-height:450px}
}

/* info feature band */
.feat-band{
  background:var(--bg-void);color:#fff;border-radius:0;overflow:hidden;
}
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.feat-item{padding:28px 24px;display:flex;gap:12px;align-items:flex-start}
.feat-item + .feat-item{border-left:1px solid rgba(255,255,255,.13)}
.feat-icon{font-size:22px;color:#7BE3C0;width:26px;text-align:center;margin-top:2px}
.feat-info b{display:block;font-size:16px;line-height:1.4;margin-bottom:6px;}
.feat-info small{font-size:13px;color:#8A919E;line-height:1.5;display:block}
@media(max-width:900px){.feat-grid{grid-template-columns:repeat(2,1fr)}.feat-item+.feat-item{border-left:none}.feat-item:nth-child(even){border-left:1px solid rgba(255,255,255,.13)}}
@media(max-width:560px){.feat-grid{grid-template-columns:1fr}.feat-item{flex-direction:column;padding:20px}}

/* section head */
.section-head{margin-bottom:54px}
.head-label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--brand-strong);
  margin-bottom:10px;
}
.head-label i{color:#16B8A6}
.section-head h2{font-size:34px;line-height:1.18;font-weight:800;color:#1C1E22;letter-spacing:-.01em}
.section-head p{margin-top:10px;max-width:760px;font-size:16px;color:#555B66}
.section-head.light h2{color:#fff}
.section-head.light p{color:#AEB4BE}
@media(max-width:640px){
  .section-head h2{font-size:27px}
  .section-head{margin-bottom:36px}
  .section-pad{padding:56px 0}
  .section-tight{padding:42px 0}
}

/* editorial split */
.editorial-row{
  display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center;
}
.editorial-media{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--card-shadow)}
.editorial-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:5/4;transition:transform .7s ease}
.editorial-media:hover img{transform:scale(1.03)}
.media-corner-tag{
  position:absolute;left:16px;bottom:16px;color:#fff;background:rgba(10,11,14,.6);
  backdrop-filter:blur(8px);font-size:12px;border-radius:8px;padding:6px 12px;border:1px solid rgba(255,255,255,.16);
}
.split-copy h2{font-size:32px;line-height:1.25;font-weight:800;color:#1C1E22;letter-spacing:-.01em;margin-bottom:14px}
.split-copy .lead-text{font-size:16px;color:#555B66;margin-bottom:14px}
.split-copy p.body-text{color:#4C525C;margin-top:12px}
.check-list{margin-top:20px;display:grid;gap:10px}
.check-list li{
  display:flex;gap:10px;padding:11px 14px;background:#F3F4F6;border:1px solid #E9EBEF;
  border-radius:10px;font-size:14.5px;color:#33383F;align-items:center;
}
.check-list li i{color:#0E7A6E;font-size:15px;width:18px;text-align:center}
.split-actions{margin-top:26px}
.map-badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.map-badges span{display:inline-flex;align-items:center;gap:6px;background:#ECF7F5;color:#0E7A6E;font-size:13px;padding:6px 12px;border-radius:8px;border:1px solid #D4EFEA}
@media(max-width:900px){
  .editorial-row{grid-template-columns:1fr;gap:32px}
  .split-copy h2{font-size:27px}
}

/* theme index cards */
.theme-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.theme-card{
  background:#fff;border-radius:16px;overflow:hidden;border:1px solid #EBEDF0;
  box-shadow:0 2px 8px rgba(23,26,31,.05);transition:transform .25s ease,box-shadow .3s ease,border-color .25s;
  display:flex;flex-direction:column;
}
.theme-card:nth-child(2){margin-top:18px}
.theme-card:nth-child(4){margin-top:18px}
.theme-card:hover{transform:translateY(-5px);box-shadow:var(--card-shadow-hover);border-color:#CFE9E3}
.theme-thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.theme-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .7s ease}
.theme-card:hover .theme-thumb img{transform:scale(1.06)}
.card-num{
  position:absolute;top:12px;left:12px;z-index:2;width:28px;height:28px;border-radius:8px;
  background:rgba(9,10,13,.46);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;backdrop-filter:blur(4px);
}
.theme-body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1}
.theme-body h3{font-size:17px;font-weight:700;color:#1C1E22;margin-bottom:8px;line-height:1.4}
.theme-body p{font-size:13.5px;color:#6B7078;line-height:1.65;flex:1}
.theme-meta{margin-top:12px;display:flex;gap:8px;flex-wrap:wrap}
.theme-meta em{
  font-style:normal;font-size:11.5px;color:#7B828B;background:#F1F2F4;
  padding:3px 8px;border-radius:100px;
}
@media(max-width:1023px){.theme-grid{grid-template-columns:repeat(2,1fr);gap:18px}.theme-card:nth-child(2),.theme-card:nth-child(4){margin-top:0}}
@media(max-width:540px){.theme-grid{grid-template-columns:1fr}}

/* scenario section */
.scenario-section{background:#fff;border-top:1px solid #E9EBEF;border-bottom:1px solid #E9EBEF}
.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:scenario}
.scenario-item{
  background:#F3F4F6;border:1px solid #E9EBEF;border-radius:16px;padding:24px;
  counter-increment:scenario;transition:all .25s;
}
.scenario-item:hover{background:#ECF7F5;border-color:#B4E3DB;transform:translateY(-3px)}
.scenario-no{color:#0E7A6E;font-size:28px;font-weight:800;font-style:italic}
.scenario-item h3{margin:18px 0 8px;font-size:18px;font-weight:700;color:#1C1E22}
.scenario-item p{font-size:14px;color:#4C525C;line-height:1.72}
@media(max-width:800px){.scenario-grid{grid-template-columns:1fr;gap:14px}}

/* journey steps */
.journey-wrap{
  background:#111214;border-radius:24px;color:#fff;position:relative;overflow:hidden;
  padding:44px 20px;
}
.journey-wrap::before{
  content:"";position:absolute;top:-40%;right:-10%;width:400px;height:400px;border-radius:50%;
  background:radial-gradient(circle,rgba(22,184,166,.14),transparent 60%);pointer-events:none;
}
.journey-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;position:relative}
.j-step{
  padding:20px 18px;border-radius:16px;border:1px solid rgba(255,255,255,.09);
  background:rgba(255,255,255,.06);min-height:136px;transition:background .25s;
}
.j-step:hover{background:rgba(123,227,192,.11);border-color:rgba(123,227,192,.3)}
.j-step .j-number{font-size:13px;color:#16B8A6;font-weight:700;letter-spacing:.12em}
.j-step h3{margin:14px 0 8px;font-size:16px;font-weight:700;line-height:1.4;color:#F0F3F5}
.j-step p{font-size:13px;color:#9AA3AE;line-height:1.6}
.arrow-icon{position:absolute;top:50%;right:-10px;color:#7BE3C0;opacity:.8;z-index:2;font-size:14px}
@media(max-width:1000px){.journey-grid{grid-template-columns:1fr 1fr}}
@media(max-width:540px){.journey-grid{grid-template-columns:1fr}.arrow-icon{display:none}}

/* update empty */
.updates-zebra{background:#fff;border:1px solid #E9EBEF;border-radius:18px;padding:34px}
.empty-update{background:#F0F4F4;border:1px dashed #CFE0DB;border-radius:12px;padding:24px 28px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.empty-update .area-title{display:flex;align-items:center;gap:12px}
.empty-update .area-title i{font-size:25px;color:#2BB6A6}
.empty-update b{display:block;font-size:16px;color:#273033;margin-bottom:3px}
.empty-update span{font-size:13px;color:#7B858D}
.empty-update a{
  display:inline-flex;align-items:center;color:#0E7A6E;font-size:14px;font-weight:700;
  padding:10px 16px;border:1px solid #B4DED6;border-radius:10px;
}
.empty-update a:hover{background:#E2F4F0}

/* faq */
.faq-panel{max-width:900px;margin:0 auto}
.faq-panel .section-head{text-align:center}
.faq-panel .section-head p{margin-left:auto;margin-right:auto}
.faq-list{
  background:#fff;border-radius:18px!important;
  border:1px solid #E9EBEF!important;overflow:hidden;box-shadow:0 2px 8px rgba(23,26,31,.03);
}
.faq-list .accordion-item{border-bottom:1px solid #EFF1F4;background:#fff}
.faq-list .accordion-item:last-child{border-bottom:none}
.faq-list .accordion-title{
  position:relative!important;display:flex;align-items:center;justify-content:space-between;
  font-size:15.5px!important;font-weight:650;color:#1C1E22!important;
  padding:19px 46px 19px 24px!important;line-height:1.5!important;
  background:#fff!important;border:none!important;border-radius:0!important;transition:background .22s;
}
.faq-list .accordion-title:hover{background:#F7FBF9!important;color:#0E7A6E!important}
.faq-list .accordion-title::before,.faq-list .accordion-title::after{
  content:none!important;
}
.faq-list .accordion-title .faq-plus-sign{
  position:absolute;right:18px;top:50%;width:22px;height:22px;margin-top:-11px;
  border:1px solid #CFD9DE;border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:#5F6B72;font-size:13px;transition:all .25s;background:#fff;
}
.faq-list .accordion-item.is-active .accordion-title .faq-plus-sign{
  border-color:#0E7A6E;background:#0E7A6E;color:#fff;transform:rotate(180deg);
}
.faq-list .accordion-content{border:none!important;background:#FBFCFD!important;padding:0 28px 20px 24px}
.faq-list .accordion-content p{position:relative;padding-left:14px;margin:6px 0 0;font-size:14px;color:#4F565E;border-left:2px solid #7BE3C0;line-height:1.8}
.accordion-content[data-tab-content]{display:none}
.accordion-item.is-active > .accordion-content[data-tab-content]{display:block!important}

/* CTA dark */
.cta-zone{background:transparent}
.cta-banner{
  position:relative;border-radius:24px;overflow:hidden;padding:64px 32px;text-align:center;color:#fff;
  background-size:cover;background-position:center;
}
.cta-banner::before{
  content:"";position:absolute;inset:0;background:linear-gradient(110deg,rgba(5,9,10,.92),rgba(8,10,12,.78));
}
.cta-banner .cta-inner{position:relative;z-index:2;max-width:800px;margin:0 auto}
.cta-banner .cta-tag{font-size:13px;letter-spacing:.14em;font-weight:700;color:#7BE3C0;text-transform:uppercase;display:inline-block;margin-bottom:8px}
.cta-banner h2{font-size:30px;line-height:1.35;font-weight:800}
.cta-banner p{font-size:15px;color:#D2D7DD;margin-bottom:26px;min-height:40px;line-height:1.7}
.cta-banner .cta-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
@media(max-width:640px){
  .cta-banner{padding:44px 20px}
  .cta-banner h2{font-size:24px}
}

/* ghost between */
.division-mid{max-width:1140px;margin:0 auto;padding:0 24px;height:1px;background:#DFE3E8}

/* footer from shared */
.site-footer{
  background:#101216;color:#B7BDC6;margin-top:0;
}
.footer-main{padding-top:58px;padding-bottom:0}
.footer-col{margin-bottom:28px}
.footer-brand-big{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.brand-mark.footer-mark{width:48px;height:48px;border:1px solid rgba(255,255,255,.3);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:23px;font-weight:800}
.footer-word{font-size:24px;font-weight:800;color:#F4F6F8;letter-spacing:.01em}
.footer-desc{font-size:13.5px;color:#6E7680;line-height:1.85;max-width:360px;margin-bottom:14px}
.footer-title-row{
  font-size:15px;font-weight:700;color:#DDE2E8;margin-bottom:14px;letter-spacing:.04em;
}
.footer-links{display:grid;gap:9px}
.footer-links a{font-size:13.5px;color:#8E959F;transition:color .2s,padding-left .2s}
.footer-links a:hover{color:#7BE3C0;padding-left:4px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tags span{
  font-size:12px;color:#8A919E;background:rgba(255,255,255,.06);padding:5px 10px;border-radius:6px;
}
.footer-sep{margin:8px 0 20px;border-top:1px solid #24282F}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-bottom:22px;align-items:center}
.f-copy{font-size:13px;color:#727A84}
.f-copy b{color:#DDE1E8;font-weight:700}
.footer-support{display:flex;gap:18px}
.footer-support a{font-size:13px;color:#687882;transition:color .2s}
.footer-support a:hover{color:#7BE3C0}
@media(max-width:760px){
  .footer-bottom{justify-content:center;text-align:center}
  .nav-inner{min-height:64px}
}

/* foundation override grid global */
.grid-container{max-width:1140px;padding-left:24px;padding-right:24px}
.footer-main .grid-x{align-items:flex-start}

/* mobile nav breakpoints */
@media (min-width: 1101px){
  .mobile-drawer,.drawer-overlay{display:none}
}
@media (max-width: 1100px){
  .nav-links{display:none}
  .nav-burger{display:inline-flex}
  .brand-name{font-size:17px}
  .brand-sub{font-size:9px}
}
@media(max-width:480px){
  .top-strip .strip-right-extra{display:none}
  .brand-sub{display:none}
  .strip-links a:first-child{display:none}
  .brand-name{font-size:16px}
  .brand-mark{width:36px;height:36px;font-size:17px}
  .nav-cta{padding:0 14px;font-size:13px}
}
@media(max-width:480px){
  .nav-tools .nav-cta span.cta-text{display:none}
  body{font-size:15px}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root {
  --bg-void: #0C0D10;
  --bg-noise: #121318;
  --surface-page: #F3F4F6;
  --surface-card: #FFFFFF;
  --surface-sunken: #E9EBEF;
  --text-primary: #1C1E22;
  --text-secondary: #555B66;
  --text-tertiary: #8A919E;
  --line-rule: #DDE1E7;
  --brand-strong: #0E7A6E;
  --brand-teal: #16B8A6;
  --brand-flash: #7BE3C0;
  --warn-solid: #F5B544;
  --card-shadow: 0 2px 8px rgba(23,26,31,.06),0 12px 32px rgba(23,26,31,.05);
  --card-shadow-hover: 0 4px 12px rgba(23,26,31,.08),0 18px 40px rgba(23,26,31,.09);
  --radius: 10px;
  --radius-lg: 16px;
  --font-sans: system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-num: "DIN Alternate","Inter",system-ui,sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--surface-page);
  color: var(--text-primary);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease, opacity .2s ease;
}

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  line-height: 1.3;
  font-weight: 700;
  color: var(--text-primary);
}

p {
  margin: 0 0 1em;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
}

.section {
  padding: 88px 0;
}

.section--soft {
  background: var(--surface-page);
}

.section--white {
  background: #fff;
}

.text-center {
  text-align: center;
}

.color-weak {
  color: var(--text-secondary);
}

/* ===== 顶部导航 ===== */
.site-nav {
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--line-rule);
  box-shadow: 0 1px 2px rgba(23,26,31,.03);
}

.nav-main {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.brand-mark {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--brand-strong);
  color: #fff;
  font-size: 25px;
  font-weight: 800;
  line-height: 1;
  font-family: var(--font-num);
  box-shadow: 0 3px 10px rgba(14,122,110,.16);
  position: relative;
  overflow: hidden;
}

.brand-mark:after {
  content: "";
  position: absolute;
  right: -6px;
  top: -6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgba(255,255,255,.18);
}

.brand-word {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  white-space: nowrap;
}

.brand-name {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--text-primary);
}

.brand-sub {
  font-size: 10px;
  letter-spacing: .14em;
  color: var(--text-tertiary);
  font-weight: 600;
  text-transform: uppercase;
  margin-top: 1px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links > a {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  position: relative;
  padding: 8px 2px;
  white-space: nowrap;
}

.nav-links > a:hover {
  color: var(--brand-strong);
}

.nav-links > a:after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: var(--brand-teal);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .25s ease;
}

.nav-links > a:hover:after,
.nav-links > a.is-active:after {
  transform: scaleX(1);
}

.nav-links > a.is-active {
  color: var(--text-primary);
  font-weight: 700;
}

.nav-tools {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 0 0 auto;
}

.nav-burger {
  width: 44px;
  height: 44px;
  border: 1px solid var(--line-rule);
  border-radius: 8px;
  background: #fff;
  color: var(--text-primary);
  font-size: 18px;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  transition: all .2s ease;
}

.nav-burger:hover {
  border-color: var(--brand-teal);
  color: var(--brand-strong);
  background: #F2FCFA;
}

.nav-burger:focus-visible,
.nav-links a:focus-visible,
.brand:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--brand-teal);
  outline-offset: 4px;
}

.nav-dim {
  position: fixed;
  inset: 0;
  background: rgba(12,13,16,.5);
  backdrop-filter: blur(2px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all .3s ease;
  z-index: 96;
}

.site-nav.nav-open .nav-dim {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  border-radius: 4px;
  border: 1px solid transparent;
  min-height: 44px;
  padding: 0 20px;
  cursor: pointer;
  gap: 8px;
  text-align: center;
  transition: all .2s ease;
  font-size: 15px;
  line-height: 1;
}

.btn--sm {
  min-height: 38px;
  font-size: 14px;
  padding: 0 16px;
}

.btn--brand {
  background: var(--brand-strong);
  border-color: var(--brand-strong);
  color: #fff;
  box-shadow: 0 4px 12px rgba(14,122,110,.18);
}

.btn--brand:hover {
  background: #0B665C;
  border-color: #0B665C;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(14,122,110,.22);
}

.btn--ghost {
  background: transparent;
  border-color: rgba(255,255,255,.5);
  color: #fff;
}

.btn--ghost:hover {
  border-color: #fff;
  color: #fff;
  background: rgba(255,255,255,.08);
  transform: translateY(-2px);
}

.btn--white {
  background: #fff;
  color: var(--brand-strong);
  border-color: #fff;
}

.btn--white:hover {
  background: #EFFBF8;
  color: #0A5B52;
  transform: translateY(-2px);
}

.btn--outline-white {
  background: transparent;
  border-color: rgba(255,255,255,.35);
  color: #fff;
}

.btn--outline-white:hover {
  background: rgba(255,255,255,.08);
  border-color: #fff;
  color: #fff;
}

.btn--line {
  background: transparent;
  border-color: rgba(23,26,31,.18);
  color: var(--text-primary);
}

.btn--line:hover {
  border-color: var(--brand-strong);
  color: var(--brand-strong);
}

/* ===== Hero ===== */
.cat-hero {
  min-height: 560px;
  display: flex;
  align-items: center;
  background: linear-gradient(100deg, rgba(12,13,16,.92) 0%, rgba(12,13,18,.58) 55%, rgba(18,19,24,.2) 100%), url("/assets/images/backpic/back-2.webp") center / cover no-repeat;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.cat-hero--racing:after {
  content: "";
  position: absolute;
  right: 6%;
  bottom: -10%;
  width: 320px;
  height: 320px;
  border: 36px solid rgba(123,227,192,.12);
  border-radius: 50%;
  pointer-events: none;
}

.cat-hero--racing:before {
  content: "";
  position: absolute;
  left: 0;
  bottom: 20px;
  width: 160px;
  height: 2px;
  background: linear-gradient(90deg, rgba(255,255,255,0), rgba(255,255,255,.65));
}

.cat-hero-inner {
  display: flex;
  align-items: center;
  z-index: 2;
}

.cat-hero-content {
  max-width: 780px;
  padding: 70px 0 64px;
}

.cat-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  color: var(--brand-flash);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  border-radius: 40px;
  padding: 6px 14px;
  margin-bottom: 22px;
  backdrop-filter: blur(6px);
}

.cat-hero h1 {
  font-size: 52px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -.02em;
  line-height: 1.12;
  margin-bottom: 20px;
}

.cat-hero-content > p {
  color: rgba(240,243,245,.85);
  font-size: 18px;
  line-height: 1.75;
  max-width: 620px;
  margin-bottom: 30px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-scroll {
  position: absolute;
  right: 30px;
  bottom: 28px;
  writing-mode: vertical-rl;
  color: rgba(255,255,255,.4);
  font-size: 11px;
  letter-spacing: .3em;
  text-transform: uppercase;
  font-weight: 600;
}

.hero-scroll:before {
  content: "";
  display: block;
  width: 1px;
  height: 56px;
  margin-bottom: 12px;
  margin-left: 6px;
  background: linear-gradient(to bottom, rgba(123,227,192,.8), rgba(255,255,255,.1));
}

/* ===== section heading ===== */
.section-head {
  max-width: 760px;
  margin: 0 auto 60px;
  text-align: left;
}

.section-head.center {
  text-align: center;
}

.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .05em;
  padding: 6px 12px;
  border-radius: 6px;
  background: rgba(22,184,166,.12);
  color: var(--brand-strong);
  margin-bottom: 16px;
}

.section-head h2 {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -.02em;
  margin-bottom: 14px;
}

.section-head p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin: 0;
}

/* ===== cards ===== */
.card-col {
  margin-bottom: 24px;
}

.cat-card {
  background: var(--surface-card);
  border: 1px solid rgba(23,26,31,.05);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.cat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--card-shadow-hover);
  border-color: rgba(22,184,166,.28);
}

.cat-card__img {
  aspect-ratio: 16 / 11;
  overflow: hidden;
  background: var(--surface-sunken);
}

.cat-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}

.cat-card:hover .cat-card__img img {
  transform: scale(1.04);
}

.cat-card__content {
  padding: 22px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 10px;
}

.cat-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--text-tertiary);
  font-size: 12px;
  font-weight: 600;
}

.cat-card__content h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
}

.cat-card__content p {
  color: var(--text-secondary);
  font-size: 14.5px;
  line-height: 1.75;
  margin: 0 0 4px;
  flex: 1;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--brand-strong);
}

.card-link i {
  transition: transform .2s ease;
}

.card-link:hover i {
  transform: translateX(4px);
}

/* ===== info strip ===== */
.info-strip {
  background: var(--bg-void);
  padding: 42px 0;
  border-top: 1px solid rgba(255,255,255,.05);
  border-bottom: 1px solid rgba(255,255,255,.05);
}

.info-strip__inner {
  display: grid;
  grid-template-columns: repeat(4,1fr);
}

.info-strip__item {
  text-align: center;
  border-right: 1px solid rgba(255,255,255,.08);
  padding: 10px 18px;
}

.info-strip__item:last-child {
  border-right: 0;
}

.info-strip__num {
  font-family: var(--font-num);
  font-size: 34px;
  font-weight: 800;
  color: var(--brand-flash);
  line-height: 1.2;
  margin-bottom: 7px;
}

.info-strip__label {
  letter-spacing: .02em;
  color: rgba(240,243,245,.68);
  font-size: 13.5px;
}

/* ===== split section ===== */
.split-section {
  padding: 96px 0;
}

.split-section--gray {
  background: #fff;
}

.split-section--dark {
  background: var(--bg-void);
  color: #F0F3F5;
}

.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
}

.split-grid--reverse .split-media {
  order: 2;
}

.split-media {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--card-shadow-hover);
  aspect-ratio: 4 / 3;
  background: var(--surface-sunken);
}

.split-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.split-copy h3 {
  font-size: 33px;
  font-weight: 800;
  letter-spacing: -.02em;
  margin-bottom: 18px;
  line-height: 1.3;
}

.split-copy > p {
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.8;
}

.split-copy > p:last-of-type {
  margin-bottom: 0;
}

.split-tags {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--line-rule);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.split-section--dark .split-copy > p {
  color: rgba(240,243,245,.72);
}

.split-section--dark .split-tags {
  border-top-color: rgba(255,255,255,.14);
}

.tag-chip {
  font-size: 13px;
  color: var(--text-secondary);
  background: var(--surface-sunken);
  border-radius: 6px;
  padding: 5px 10px;
  font-weight: 600;
}

.split-section--dark .tag-chip {
  color: var(--brand-flash);
  background: rgba(255,255,255,.07);
}

/* ===== steps ===== */
.steps-section {
  background: #fff;
  padding: 90px 0;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.step-card {
  border-radius: 12px;
  border: 1px solid var(--line-rule);
  background: var(--surface-page);
  padding: 28px 24px;
  position: relative;
  min-height: 220px;
  transition: all .25s ease;
}

.step-card:hover {
  border-color: rgba(22,184,166,.4);
  background: #fff;
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-4px);
}

.step-num {
  font-family: var(--font-num);
  font-size: 40px;
  font-weight: 800;
  color: rgba(22,184,166,.22);
  line-height: 1;
  margin-bottom: 20px;
}

.step-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

.step-card p {
  color: var(--text-secondary);
  font-size: 14.5px;
  line-height: 1.7;
  margin: 0;
}

/* ===== FAQ ===== */
.faq-section {
  background: var(--surface-page);
  padding: 96px 0;
}

.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}

.accordion {
  list-style: none;
  margin: 0;
  display: grid;
  gap: 16px;
}

.accordion-item {
  background: #fff;
  border: 1px solid var(--line-rule);
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(23,26,31,.02);
  overflow: hidden;
  transition: border-color .2s ease;
}

.accordion-item.is-active {
  border-color: rgba(22,184,166,.36);
  box-shadow: var(--card-shadow);
}

.accordion-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 26px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  background: #fff;
  cursor: pointer;
  line-height: 1.5;
}

.accordion-title:hover {
  color: var(--brand-strong);
}

.accordion-title:before {
  content: "+";
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 400;
  color: var(--brand-strong);
  border: 1px solid rgba(22,184,166,.25);
  border-radius: 50%;
  transition: all .2s ease;
  order: 2;
}

.accordion-item.is-active .accordion-title:before {
  content: "−";
  transform: rotate(180deg);
  background: var(--brand-strong);
  color: #fff;
  border-color: var(--brand-strong);
}

.accordion-content {
  padding: 0 26px 24px;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.85;
  border-top: 1px solid transparent;
}

.accordion-item.is-active .accordion-content {
  border-top-color: var(--line-rule);
}

.accordion-content p {
  margin: 0;
}

/* ===== CTA banner ===== */
.cta-banner {
  background: linear-gradient(110deg, rgba(12,13,16,.88) 0%, rgba(12,13,16,.65) 60%, rgba(22,30,28,.82) 100%), url("/assets/images/backpic/back-1.png") center / cover no-repeat;
  margin: 0;
  padding: 100px 0;
  position: relative;
  overflow: hidden;
  text-align: center;
  color: #F0F3F5;
}

.cta-banner:after {
  content: "";
  position: absolute;
  left: -8%;
  bottom: -40%;
  width: 460px;
  height: 460px;
  background: rgba(22,184,166,.11);
  border-radius: 50%;
  pointer-events: none;
}

.cta-inner {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.cta-kicker {
  display: inline-block;
  color: var(--brand-flash);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .1em;
  margin-bottom: 16px;
}

.cta-banner h2 {
  font-size: 38px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -.02em;
  margin-bottom: 18px;
}

.cta-banner p {
  font-size: 17px;
  color: rgba(240,243,245,.8);
  max-width: 650px;
  margin: 0 auto 34px;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

/* ===== footer ===== */
.site-footer {
  background: #101216;
  color: #AEB4BE;
  padding: 76px 0 28px;
}

.footer-main {
  position: relative;
}

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

.footer-word {
  font-size: 23px;
  font-weight: 800;
  color: #F0F3F5;
  letter-spacing: -.01em;
}

.footer-desc {
  color: #7D858F;
  font-size: 14.5px;
  line-height: 1.8;
  max-width: 360px;
  margin-top: 0;
}

.footer-title-row {
  font-size: 16px;
  font-weight: 700;
  color: #F0F3F5;
  padding: 0 0 11px;
  margin-bottom: 17px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}

.footer-links {
  list-style: none;
  padding-left: 0;
  display: grid;
  gap: 9px;
}

.footer-links a {
  color: #A1A6AD;
  font-size: 14px;
  transition: all .2s ease;
}

.footer-links a:hover {
  color: var(--brand-flash);
  padding-left: 2px;
}

.footer-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-tags span {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.08);
  color: #AEB4BE;
  border-radius: 6px;
  font-size: 13px;
  padding: 4px 11px;
}

.footer-sep {
  border: 0;
  border-top: 1px solid rgba(255,255,255,.1);
  margin: 40px 0 20px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.f-copy {
  color: #8C939D;
  font-size: 13px;
}

.f-copy b,
.f-copy a {
  color: #B9BDC4;
}

.f-copy a:hover {
  color: var(--brand-flash);
}

.footer-support {
  display: flex;
  gap: 12px;
}

.footer-support a {
  color: #8C939D;
  font-size: 13px;
}

.footer-support a:hover {
  color: var(--brand-flash);
}

/* ===== floating return ===== */
.back-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 70;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.3);
  background: rgba(12,13,16,.85);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all .3s ease;
  box-shadow: 0 6px 18px rgba(0,0,0,.2);
}

.back-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-top:hover {
  background: var(--brand-strong);
  color: #fff;
}

/* ===== foundation / plugin resets ===== */
.accordion-content {
  display: block;
}

.accordion .accordion-title {
  border-bottom: 0;
}

/* ===== responsive ===== */
@media (max-width: 1023.98px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 98;
    width: min(80vw, 360px);
    height: 100vh;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 4px;
    padding: 92px 28px 32px;
    box-shadow: -20px 0 40px rgba(0,0,0,.12);
    transform: translateX(105%);
    transition: transform .32s ease;
    overflow-y: auto;
  }

  .site-nav.nav-open .nav-links {
    transform: translateX(0);
  }

  .nav-links > a {
    display: block;
    width: 100%;
    padding: 12px 10px;
    font-size: 17px;
    border-radius: 8px;
    color: var(--text-primary);
  }

  .nav-links > a:after {
    display: none;
  }

  .nav-links > a.is-active {
    background: rgba(22,184,166,.12);
    color: var(--brand-strong);
  }

  .nav-links > a:hover {
    background: #f0faf8;
  }

  .nav-burger {
    display: inline-flex;
  }

  .nav-tools .nav-cta {
    display: none;
  }

  .nav-main {
    min-height: 72px;
  }

  .cat-hero {
    min-height: 520px;
  }

  .cat-hero h1 {
    font-size: 42px;
  }

  .section {
    padding: 68px 0;
  }

  .split-section,
  .steps-section,
  .faq-section {
    padding: 72px 0;
  }

  .split-grid {
    gap: 32px;
  }

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-bottom {
    flex-direction: column;
    justify-content: flex-start;
  }
}

@media (max-width: 767.98px) {
  .container {
    padding: 0 18px;
  }

  .nav-main {
    min-height: 64px;
  }

  .brand-name {
    font-size: 19px;
  }

  .brand-sub {
    font-size: 9px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
    font-size: 23px;
  }

  .cat-hero {
    min-height: 490px;
    background: linear-gradient(120deg, rgba(12,13,16,.93) 0%, rgba(12,13,18,.72) 100%), url("/assets/images/backpic/back-2.webp") center / cover no-repeat;
  }

  .cat-hero-inner {
    width: 100%;
  }

  .cat-hero-content {
    padding: 56px 0;
  }

  .cat-hero h1 {
    font-size: 34px;
  }

  .cat-hero-content > p {
    font-size: 16px;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-scroll {
    display: none;
  }

  .section-head {
    margin-bottom: 38px;
  }

  .section-head h2 {
    font-size: 28px;
  }

  .info-strip__inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .info-strip__item {
    border-right: 0;
    border: 1px solid rgba(255,255,255,.07);
    border-radius: 12px;
  }

  .split-grid,
  .split-grid--reverse .split-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .split-grid--reverse .split-media {
    order: 0;
  }

  .split-copy h3 {
    font-size: 27px;
  }

  .split-media {
    aspect-ratio: 16 / 11;
    border-radius: 12px;
  }

  .steps-grid {
    grid-template-columns: 1fr;
  }

  .step-card {
    min-height: 0;
  }

  .cat-card__content {
    padding: 20px 18px 22px;
  }

  .cta-banner {
    padding: 76px 0;
  }

  .cta-banner h2 {
    font-size: 29px;
  }

  .cta-actions .btn {
    width: 100%;
  }

  .faq-title {
    font-size: 15px;
    padding: 18px 16px;
  }

  .accordion-content {
    padding-left: 16px;
    padding-right: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *:before,
  *:after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
    transform: none !important;
  }
}