/* ============================================
   ek-binance.com — 币知堂 (CoinClass)
   Eduprix-style: #1e3a8a dark blue, #3b82f6 accent
   ============================================ */

/* --- Reset & Base --- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Nunito Sans',Inter,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;color:#333;background:#fff;line-height:1.7;font-size:16px;padding-bottom:60px}
@media(min-width:769px){body{padding-bottom:0}}
a{color:#3b82f6;text-decoration:none;transition:color .2s}
a:hover{color:#1e3a8a}
img{max-width:100%;height:auto}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* --- Section Headers (Eduprix decorative style) --- */
.section-title{font-size:32px;font-weight:800;color:#1e3a8a;margin-bottom:12px;line-height:1.3;text-transform:uppercase;letter-spacing:.5px}
.section-title--decorated{position:relative;padding-bottom:16px}
.section-title--decorated::after{content:'';position:absolute;bottom:0;left:0;width:60px;height:4px;background:#3b82f6;border-radius:2px}
.section-title--center{text-align:center}
.section-title--center::after{left:50%;transform:translateX(-50%)}
.section-desc{font-size:16px;color:#6b7280;max-width:600px;line-height:1.7;margin-bottom:8px}
.section-desc--center{text-align:center;margin:0 auto 8px}
.section-more{text-align:center;margin-top:36px}

/* --- Buttons --- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;border-radius:6px;cursor:pointer;border:2px solid transparent;transition:all .25s;font-size:15px;padding:12px 28px;text-decoration:none;line-height:1.4}
.btn--primary{background:#1e3a8a;color:#fff;border-color:#1e3a8a}
.btn--primary:hover{background:#1e40af;border-color:#1e40af;color:#fff;transform:translateY(-1px);box-shadow:0 4px 14px rgba(30,58,138,.35)}
.btn--accent{background:#3b82f6;color:#fff;border-color:#3b82f6;box-shadow:0 4px 14px rgba(59,130,246,.35)}
.btn--accent:hover{background:#2563eb;border-color:#2563eb;color:#fff;transform:translateY(-1px)}
.btn--outline{background:transparent;color:#1e3a8a;border-color:#1e3a8a}
.btn--outline:hover{background:#1e3a8a;color:#fff}
.btn--white{background:#fff;color:#1e3a8a;border-color:#fff;box-shadow:0 4px 14px rgba(0,0,0,.1)}
.btn--white:hover{background:#eff6ff;border-color:#eff6ff;color:#1e40af}
.btn--outline-white{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn--outline-white:hover{background:rgba(255,255,255,.15);border-color:#fff;color:#fff}
.btn--sm{padding:8px 18px;font-size:13px}
.btn--lg{padding:14px 34px;font-size:16px}
.btn--full{width:100%}

/* --- Top Bar --- */
.top-bar{background:#1e3a8a;color:#fff;font-size:13px;padding:8px 0}
.top-bar__inner{display:flex;align-items:center;justify-content:space-between}
.top-bar__slogan{font-weight:600}
.top-bar__right{display:flex;align-items:center;gap:12px}
.top-bar__lang{display:flex;gap:4px}
.top-bar__lang a{color:rgba(255,255,255,.7);font-size:12px;padding:3px 8px;border-radius:4px;transition:all .2s;font-weight:500}
.top-bar__lang a:hover,.top-bar__lang a.active{color:#fff;background:rgba(255,255,255,.2)}
@media(max-width:768px){.top-bar{display:none}}

/* --- Header --- */
.site-header{position:sticky;top:0;z-index:100;background:#fff;transition:box-shadow .3s;border-bottom:1px solid #e5e7eb}
.site-header.scrolled{box-shadow:0 2px 20px rgba(0,0,0,.08);border-bottom-color:transparent}
.site-header__inner{display:flex;align-items:center;height:68px;gap:32px}
.site-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:#1e3a8a;text-decoration:none;flex-shrink:0}
.site-logo__text{letter-spacing:-.5px}
.site-nav{display:flex;gap:6px;margin-left:auto}
.nav-link{padding:8px 16px;font-size:15px;font-weight:500;color:#444;border-radius:6px;transition:all .2s}
.nav-link:hover{color:#3b82f6;background:#eff6ff}
.nav-link--active{color:#1e3a8a;font-weight:700;background:#eff6ff}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:20px}
.header-cta{white-space:nowrap}
@media(max-width:768px){
  .site-nav{display:none;position:fixed;top:68px;left:0;right:0;bottom:0;background:#fff;flex-direction:column;padding:24px;gap:0;z-index:200}
  .site-nav.open{display:flex}
  .nav-link{padding:16px 0;font-size:17px;border-bottom:1px solid #f1f5f9}
  .header-actions{display:none}
}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px;margin-left:auto}
.nav-toggle__bar{width:22px;height:2px;background:#334155;border-radius:2px;transition:all .2s}
@media(max-width:768px){.nav-toggle{display:flex}}
.nav-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.3);z-index:150}
.nav-overlay.open{display:block}

/* --- Hero (Eduprix: dark blue overlay, large heading, counter bar) --- */
.hero{position:relative;background:#1e3a8a;padding:100px 0 80px;overflow:hidden}
.hero__overlay{position:absolute;inset:0;background:linear-gradient(135deg,#1e3a8a 0%,#1e40af 40%,#3b82f6 100%);opacity:.95}
.hero::before{content:'';position:absolute;right:-100px;top:-100px;width:500px;height:500px;background:radial-gradient(circle,rgba(255,255,255,.08) 0%,transparent 70%);border-radius:50%;z-index:1}
.hero::after{content:'';position:absolute;left:-50px;bottom:-50px;width:300px;height:300px;background:radial-gradient(circle,rgba(59,130,246,.3) 0%,transparent 70%);border-radius:50%;z-index:1}
.hero__inner{position:relative;z-index:2;text-align:center}
.hero__content{max-width:760px;margin:0 auto}
.hero__title{font-size:clamp(32px,5vw,52px);font-weight:900;line-height:1.15;margin-bottom:20px;color:#fff;text-transform:uppercase;letter-spacing:1px}
.hero__desc{font-size:18px;color:rgba(255,255,255,.85);max-width:580px;margin:0 auto 36px;line-height:1.7}
.hero__btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:32px;justify-content:center}
.hero__counter{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.15);padding:10px 24px;border-radius:50px;color:rgba(255,255,255,.9);font-size:14px;backdrop-filter:blur(4px)}
.hero__counter strong{color:#fff;font-size:16px}

/* --- Latest & More Posts Section --- */
.latest-section{padding:70px 0 50px}
.more-posts-section{padding:50px 0 70px;background:#f8fafc}

/* --- Post Grid --- */
.post-grid{display:grid;gap:24px}
.post-grid--4col{grid-template-columns:repeat(4,1fr)}
.post-grid--3col{grid-template-columns:repeat(3,1fr)}
@media(max-width:1024px){.post-grid--4col{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.post-grid--4col,.post-grid--3col{grid-template-columns:1fr}}

/* --- Post Card (Eduprix: white card, blue left-border accent) --- */
.post-card{background:#fff;border-radius:10px;padding:24px;border:1px solid #e5e7eb;border-left:4px solid #3b82f6;transition:all .25s;display:flex;flex-direction:column}
.post-card:hover{box-shadow:0 8px 24px rgba(30,58,138,.12);transform:translateY(-3px);border-left-color:#1e3a8a}
.post-card__category,.post-card__tags{margin-bottom:10px;display:flex;flex-wrap:wrap;gap:6px}
.post-card__title{font-size:17px;font-weight:700;line-height:1.4;margin-bottom:8px;flex:1}
.post-card__title a{color:#1e293b;text-decoration:none}
.post-card__title a:hover{color:#3b82f6}
.post-card__excerpt{font-size:14px;color:#6b7280;line-height:1.6;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card__meta{display:flex;gap:12px;font-size:13px;color:#94a3b8;margin-top:auto}

/* --- Tag Pill --- */
.tag-pill{display:inline-block;background:#eff6ff;color:#3b82f6;font-size:12px;font-weight:600;padding:3px 10px;border-radius:4px;transition:all .2s}
.tag-pill:hover{background:#3b82f6;color:#fff}
.tag-pill--sm{font-size:11px;padding:2px 8px}

/* --- Explore Section (Eduprix: category buttons grid) --- */
.explore-section{padding:70px 0;background:#1e3a8a;color:#fff}
.explore-section .section-title{color:#fff}
.explore-section .section-title--decorated::after{background:#60a5fa}
.explore-section .section-desc{color:rgba(255,255,255,.7)}
.explore-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:32px}
.explore-card{display:flex;flex-direction:column;align-items:center;gap:8px;padding:24px 16px;background:rgba(255,255,255,.1);border-radius:10px;color:#fff;text-align:center;transition:all .25s;border:1px solid rgba(255,255,255,.15)}
.explore-card:hover{background:rgba(255,255,255,.2);transform:translateY(-3px);color:#fff;border-color:rgba(255,255,255,.3)}
.explore-card__icon{width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.15);border-radius:10px;margin-bottom:4px}
.explore-card__name{font-weight:700;font-size:15px}
.explore-card__desc{font-size:12px;color:rgba(255,255,255,.6);line-height:1.5}
@media(max-width:768px){.explore-grid{grid-template-columns:repeat(2,1fr)}}

/* --- Reviews Section --- */
.reviews-section{padding:70px 0;background:#f8fafc}
.reviews-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:32px}
.review-card{background:#fff;border-radius:10px;padding:28px;border:1px solid #e5e7eb;transition:box-shadow .25s}
.review-card:hover{box-shadow:0 8px 24px rgba(0,0,0,.08)}
.review-card__stars{color:#f59e0b;margin-bottom:14px;display:flex;gap:2px}
.review-card__text{font-size:14px;color:#4b5563;line-height:1.7;margin-bottom:16px}
.review-card__author{display:flex;align-items:center;gap:10px}
.review-card__avatar{width:36px;height:36px;background:#1e3a8a;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}
.review-card__name{font-weight:600;color:#1e293b;font-size:14px}
@media(max-width:768px){.reviews-grid{grid-template-columns:1fr}}

/* --- Stats Bar (Eduprix: blue background, 4 numbers) --- */
.stats-bar{background:#3b82f6;padding:48px 0;color:#fff}
.stats-bar__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stats-bar__num{font-size:40px;font-weight:900;display:block;line-height:1.2}
.stats-bar__label{font-size:14px;opacity:.85;font-weight:500}
@media(max-width:768px){.stats-bar__grid{grid-template-columns:repeat(2,1fr);gap:24px}}

/* --- Steps Section --- */
.steps-section{padding:70px 0}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:36px}
.step-card{text-align:center;padding:32px 20px;background:#fff;border-radius:12px;border:1px solid #e5e7eb;transition:box-shadow .25s}
.step-card:hover{box-shadow:0 8px 24px rgba(30,58,138,.1)}
.step-card__num{width:52px;height:52px;background:#1e3a8a;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800;margin:0 auto 16px}
.step-card__title{font-size:17px;font-weight:700;color:#1e293b;margin-bottom:8px}
.step-card__desc{font-size:14px;color:#6b7280;line-height:1.6}
@media(max-width:768px){.steps-grid{grid-template-columns:repeat(2,1fr)}}

/* --- FAQ Section --- */
.faq-section{padding:70px 0;background:#f8fafc}
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:32px;max-width:900px;margin-left:auto;margin-right:auto}
.faq-link-card{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;background:#fff;border-radius:8px;border:1px solid #e5e7eb;color:#334155;transition:all .2s}
.faq-link-card:hover{border-color:#3b82f6;color:#3b82f6;box-shadow:0 4px 12px rgba(59,130,246,.12)}
.faq-link-card__q{font-size:14px;font-weight:500;flex:1}
@media(max-width:768px){.faq-grid{grid-template-columns:1fr}}

/* --- Home CTA --- */
.home-cta{padding:80px 0;background:linear-gradient(135deg,#1e3a8a,#3b82f6)}
.home-cta__box{text-align:center;color:#fff}
.home-cta__box h2{font-size:28px;font-weight:800;margin-bottom:12px}
.home-cta__box p{font-size:16px;opacity:.85;margin-bottom:32px;max-width:500px;margin-left:auto;margin-right:auto}
.home-cta__btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* --- Post Layout (article + sidebar) --- */
.post-layout{display:grid;grid-template-columns:1fr 340px;gap:40px;padding:20px 0 60px}
@media(max-width:1024px){.post-layout{grid-template-columns:1fr;gap:30px}}

.post-main{min-width:0}
.post-header{margin-bottom:28px}
.post-header__tags{margin-bottom:12px;display:flex;gap:6px;flex-wrap:wrap}
.post-header__title{font-size:clamp(24px,4vw,34px);font-weight:800;color:#1e293b;line-height:1.3;margin-bottom:14px}
.post-header__meta{display:flex;align-items:center;gap:8px;font-size:13px;color:#94a3b8}
.post-header__meta svg{vertical-align:middle;margin-right:2px}

.post-highlight{background:#eff6ff;border-left:4px solid #3b82f6;padding:16px 20px;border-radius:0 8px 8px 0;margin-bottom:28px;color:#334155;font-size:15px;line-height:1.7}

.post-body{font-size:16px;line-height:1.85;color:#333}
.post-body h2{font-size:22px;font-weight:700;color:#1e3a8a;margin:36px 0 14px;padding-bottom:8px;border-bottom:2px solid #eff6ff}
.post-body h3{font-size:18px;font-weight:600;color:#1e293b;margin:28px 0 10px}
.post-body p{margin-bottom:16px}
.post-body ul,.post-body ol{margin-bottom:16px;padding-left:24px}
.post-body li{margin-bottom:6px}
.post-body a{color:#3b82f6;text-decoration:underline;text-underline-offset:3px}
.post-body a:hover{color:#1e3a8a}
.post-body blockquote{border-left:4px solid #3b82f6;padding:12px 20px;margin:20px 0;background:#f8fafc;border-radius:0 8px 8px 0;color:#4b5563}
.post-body table{width:100%;border-collapse:collapse;margin:20px 0}
.post-body th,.post-body td{padding:10px 14px;border:1px solid #e5e7eb;text-align:left;font-size:14px}
.post-body th{background:#eff6ff;font-weight:600;color:#1e3a8a}
.post-body code{background:#f1f5f9;padding:2px 6px;border-radius:4px;font-size:14px}
.post-body pre{background:#1e293b;color:#e2e8f0;padding:16px;border-radius:8px;overflow-x:auto;margin:20px 0}
.post-body pre code{background:none;padding:0;color:inherit}

/* --- Post Related --- */
.post-related{margin-top:40px;padding-top:28px;border-top:2px solid #f1f5f9}
.post-related h3{font-size:18px;font-weight:700;color:#1e3a8a;margin-bottom:16px}
.post-related__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.post-related__card{display:block;padding:14px 18px;background:#f8fafc;border-radius:8px;border:1px solid #e5e7eb;transition:all .2s}
.post-related__card:hover{border-color:#3b82f6;background:#eff6ff}
.post-related__title{display:block;font-size:14px;font-weight:600;color:#1e293b;margin-bottom:4px}
.post-related__date{font-size:12px;color:#94a3b8}
@media(max-width:768px){.post-related__grid{grid-template-columns:1fr}}

/* --- Post Sidebar --- */
.post-sidebar{display:flex;flex-direction:column;gap:24px}
.post-sidebar__cta{background:linear-gradient(135deg,#1e3a8a,#3b82f6);color:#fff;border-radius:12px;padding:28px;text-align:center}
.post-sidebar__cta h4{font-size:18px;font-weight:700;margin-bottom:8px}
.post-sidebar__cta p{font-size:14px;opacity:.85;margin-bottom:18px}
.post-sidebar__cta .btn--primary{background:#fff;color:#1e3a8a;border-color:#fff}
.post-sidebar__cta .btn--primary:hover{background:#eff6ff;color:#1e40af}
.post-sidebar__cta .btn--outline{color:#fff;border-color:rgba(255,255,255,.5)}
.post-sidebar__cta .btn--outline:hover{background:rgba(255,255,255,.15);border-color:#fff}

.post-sidebar__block{background:#fff;border-radius:12px;padding:24px;border:1px solid #e5e7eb}
.post-sidebar__title{font-size:16px;font-weight:700;color:#1e3a8a;margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid #eff6ff}
.post-sidebar__list{list-style:none;padding:0}
.post-sidebar__list li{padding:8px 0;border-bottom:1px solid #f8fafc}
.post-sidebar__list li:last-child{border-bottom:none}
.post-sidebar__list a{font-size:14px;color:#334155;transition:color .2s}
.post-sidebar__list a:hover{color:#3b82f6}

.post-sidebar__tags{display:flex;flex-direction:column;gap:6px}
.post-sidebar__tag{display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:6px;font-size:14px;color:#334155;transition:all .2s}
.post-sidebar__tag:hover{background:#eff6ff;color:#3b82f6}
.post-sidebar__tag--active{background:#eff6ff;color:#3b82f6;font-weight:600}

/* --- Post Bottom CTA --- */
.post-bottom-cta{padding:60px 0;background:linear-gradient(135deg,#1e3a8a,#3b82f6)}
.post-bottom-cta__box{text-align:center;color:#fff}
.post-bottom-cta__box h2{font-size:26px;font-weight:800;margin-bottom:10px}
.post-bottom-cta__box p{font-size:15px;opacity:.85;margin-bottom:28px}
.post-bottom-cta__btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* --- Page Wrapper --- */
.page-wrapper{padding:50px 0 70px}
.page-header{margin-bottom:36px}
.page-header__title{font-size:30px;font-weight:800;color:#1e3a8a}
.page-header__meta{font-size:15px;color:#6b7280;margin-top:6px}

/* --- Tags Grid --- */
.tags-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.tag-card{display:flex;flex-direction:column;align-items:center;gap:10px;padding:28px 16px;background:#fff;border-radius:12px;border:1px solid #e5e7eb;transition:all .25s;text-align:center}
.tag-card:hover{box-shadow:0 8px 24px rgba(30,58,138,.12);transform:translateY(-3px);border-color:#3b82f6}
.tag-card__icon{color:#3b82f6}
.tag-card__name{font-weight:700;font-size:15px;color:#1e293b}
@media(max-width:768px){.tags-grid{grid-template-columns:repeat(2,1fr)}}

/* --- Tag Page Header --- */
.tag-page-header{margin-bottom:28px}
.tag-page-header__title{font-size:28px;font-weight:800;color:#1e3a8a;padding-bottom:12px;border-bottom:3px solid #3b82f6;display:inline-block}

/* --- Breadcrumb --- */
.breadcrumb{padding:16px 0;font-size:13px;color:#94a3b8}
.breadcrumb a{color:#6b7280;transition:color .2s}
.breadcrumb a:hover{color:#3b82f6}
.breadcrumb__sep{margin:0 6px;color:#d1d5db}
.breadcrumb__current{color:#334155;font-weight:500}

/* --- Download Page --- */
.dl-hero{background:linear-gradient(135deg,#1e3a8a,#3b82f6);color:#fff;padding:64px 0;text-align:center}
.dl-hero h1{font-size:32px;font-weight:800;margin-bottom:10px}
.dl-hero p{font-size:16px;opacity:.85}

.dl-cards{padding:60px 0}
.dl-cards__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.dl-card{background:#fff;border-radius:12px;padding:32px;border:1px solid #e5e7eb;text-align:center;transition:box-shadow .25s}
.dl-card:hover{box-shadow:0 8px 24px rgba(30,58,138,.1)}
.dl-card__badge{display:inline-block;background:#eff6ff;color:#3b82f6;font-size:12px;font-weight:700;padding:4px 14px;border-radius:50px;margin-bottom:16px;letter-spacing:1px}
.dl-card__title{font-size:20px;font-weight:700;color:#1e293b;margin-bottom:16px}
.dl-card__list{list-style:none;padding:0;margin-bottom:24px;text-align:left}
.dl-card__list li{padding:8px 0;font-size:14px;color:#4b5563;display:flex;align-items:center;gap:8px}
@media(max-width:768px){.dl-cards__grid{grid-template-columns:1fr}}

.dl-steps{padding:60px 0}
.dl-steps__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:32px}
.dl-step{text-align:center;padding:24px 16px}
.dl-step__num{width:44px;height:44px;background:#1e3a8a;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;margin:0 auto 14px}
.dl-step h3{font-size:16px;font-weight:700;color:#1e293b;margin-bottom:8px}
.dl-step p{font-size:14px;color:#6b7280;line-height:1.6}
@media(max-width:768px){.dl-steps__grid{grid-template-columns:repeat(2,1fr)}}

/* --- Static Page --- */
.static-page{padding:50px 0 70px;max-width:800px}
.static-page h1{font-size:30px;font-weight:800;color:#1e3a8a;margin-bottom:20px}
.static-page h2{font-size:22px;font-weight:700;color:#1e293b;margin:28px 0 12px}
.static-page p{margin-bottom:14px;color:#4b5563;line-height:1.7}
.static-page ul{padding-left:20px;margin-bottom:14px}
.static-page li{margin-bottom:6px;color:#4b5563}

/* --- Error Page --- */
.error-page{text-align:center;padding:100px 0}
.error-page h1{font-size:80px;font-weight:900;color:#1e3a8a;margin-bottom:12px}
.error-page p{font-size:18px;color:#6b7280;margin-bottom:28px}

/* --- Footer --- */
.site-footer{background:#0f172a;color:#94a3b8;padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px}
.footer-col__title{font-size:14px;font-weight:700;color:#fff;text-transform:uppercase;letter-spacing:1px;margin-bottom:16px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:#fff;margin-bottom:14px}
.footer-desc{font-size:14px;line-height:1.7;color:#94a3b8}
.footer-col__list{list-style:none;padding:0}
.footer-col__list li{padding:4px 0}
.footer-col__list a{font-size:14px;color:#94a3b8;transition:color .2s}
.footer-col__list a:hover{color:#60a5fa}
.footer-lang-grid{display:flex;flex-wrap:wrap;gap:6px}
.footer-lang-grid a{display:inline-block;padding:4px 12px;font-size:13px;color:#94a3b8;border-radius:4px;border:1px solid #334155;transition:all .2s}
.footer-lang-grid a:hover,.footer-lang-grid a.active{color:#60a5fa;border-color:#60a5fa}
.footer-bottom{border-top:1px solid #1e293b;padding:24px 0;text-align:center}
.footer-risk{font-size:12px;color:#64748b;margin-bottom:8px;line-height:1.6}
.footer-risk strong{color:#94a3b8}
.footer-copy{font-size:12px;color:#475569}
@media(max-width:768px){.footer-grid{grid-template-columns:1fr;gap:28px}}

/* --- Mobile Bottom Nav --- */
.mobile-nav{display:none;position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid #e5e7eb;z-index:200;padding:6px 0 env(safe-area-inset-bottom,0)}
@media(max-width:768px){.mobile-nav{display:flex}}
.mobile-nav__item{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;padding:6px 0;font-size:11px;color:#94a3b8;text-decoration:none;transition:color .2s}
.mobile-nav__item--active{color:#3b82f6}
.mobile-nav__item:hover{color:#3b82f6}

/* --- Empty State --- */
.empty-state{text-align:center;padding:60px 20px;color:#94a3b8;font-size:16px}

/* --- Section Badge --- */
.section-badge{display:inline-block;color:#3b82f6;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;margin-bottom:8px}