/* ============================================================
   European Commission in China - Stylesheet
   ============================================================ */

/* ----- Custom Properties ----- */
:root {
  --color-primary: #0047AB;
  --color-primary-dark: #003776;
  --color-primary-light: #e6f0ff;
  --color-accent: #ffd617;
  --color-accent-dark: #e6c100;
  --color-green: #0047ab;
  --color-text: #1a1a1a;
  --color-text-secondary: #555;
  --color-text-muted: #767676;
  --color-bg: #fff;
  --color-bg-alt: #f5f6f8;
  --color-bg-dark: #00284a;
  --color-border: #d3d7de;
  --color-border-light: #e8ebf0;
  --color-white: #fff;
  --font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --space-xs: .25rem;
  --space-sm: .5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --container-max: 1368px;
  --header-height: 80px;
  --radius-sm: 4px;
  --radius-md: 4px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,.15);
  --transition: 200ms ease;
}

/* ----- Reset ----- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:100%;-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{font-family:var(--font-family);font-size:1rem;line-height:1.6;color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased}
img,picture,video,canvas,svg{display:block;max-width:100%;height:auto}
a{color:var(--color-primary);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--color-primary-dark);text-decoration:none}
a:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px;border-radius:2px}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
h1,h2,h3,h4{line-height:1.2;font-weight:600}

/* ----- Accessibility ----- */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.skip-link{position:absolute;top:-100%;left:var(--space-md);background:var(--color-primary);color:var(--color-white);padding:var(--space-sm) var(--space-lg);border-radius:0 0 var(--radius-sm) var(--radius-sm);z-index:10000;font-weight:600;transition:top var(--transition)}
.skip-link:focus{top:0;color:var(--color-white);text-decoration:none}

/* ----- Layout ----- */
.container{width:100%;max-width:var(--container-max);margin:0 auto;padding:0 1rem}
.section{padding:var(--space-3xl) 0}
.section--alt{background:var(--color-bg-alt)}
.section-title{font-size:1.5rem;font-weight:600;margin-bottom:var(--space-xl)}

/* ----- Header ----- */
.site-header{background:var(--color-white);border-bottom:1px solid var(--color-border-light);position:sticky;top:0;z-index:1000}
.header-bar{display:flex;align-items:center;justify-content:space-between;height:var(--header-height);max-width:var(--container-max);margin:0 auto;padding:0 1rem}
.logo{display:flex;align-items:center;flex-shrink:0;gap:var(--space-sm)}
.logo:hover{text-decoration:none}
.logo img{height:52px;width:auto}
.logo-text{font-size:1.25rem;font-weight:700;color:var(--color-primary);white-space:nowrap}
.header-actions{display:flex;align-items:center;gap:var(--space-xs)}
.site-header__sitename{display:none;background:var(--color-primary);color:var(--color-white);padding:var(--space-sm) 1rem;font-size:.875rem;font-weight:500}

/* Header buttons */
.btn-search,.btn-menu{display:flex;align-items:center;gap:var(--space-xs);padding:var(--space-sm) var(--space-md);color:var(--color-primary);font-size:.9375rem;font-weight:500;border-radius:var(--radius-sm);transition:background var(--transition)}
.btn-search:hover,.btn-menu:hover{background:var(--color-primary-light)}
.btn-menu{display:none}
.menu-icon{width:20px;height:2px;background:var(--color-primary);position:relative;transition:background var(--transition)}
.menu-icon::before,.menu-icon::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--color-primary);transition:transform var(--transition)}
.menu-icon::before{top:-6px}.menu-icon::after{top:6px}

/* Search Panel */
.search-panel{position:absolute;top:var(--header-height);left:0;right:0;background:var(--color-white);border-bottom:2px solid var(--color-primary);padding:var(--space-md);z-index:999;box-shadow:var(--shadow-md)}
.search-panel[hidden]{display:none}
.search-form{display:flex;max-width:var(--container-max);margin:0 auto;gap:var(--space-sm)}
.search-input{flex:1;padding:var(--space-sm) var(--space-md);border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:1rem;font-family:inherit}
.search-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px rgba(0,68,148,.1)}
.search-submit{padding:var(--space-sm) 1rem;background:var(--color-primary);color:var(--color-white);border-radius:var(--radius-sm);font-size:.8rem;font-weight:400;transition:background var(--transition)}
.search-submit:hover{background:var(--color-primary-dark)}
.search-close{padding:var(--space-sm) var(--space-md);color:var(--color-text-muted);font-size:1.25rem;line-height:1}

/* ----- Mega Menu ----- */
.mega-menu{background:var(--color-primary)}
.mega-menu__inner{max-width:var(--container-max);margin:0 auto;padding:0 1rem}
.menu-top{display:flex}
.menu-top-item{position:static}
.menu-top-link{display:flex;align-items:center;gap:var(--space-xs);padding:var(--space-md) var(--space-lg);color:var(--color-white);font-size:.9375rem;font-weight:500;white-space:nowrap;transition:background var(--transition)}
.menu-top-link:hover,.menu-top-link--active{background:rgba(255,255,255,.12);color:var(--color-white);text-decoration:none}
button.menu-top-link::after{content:"";display:inline-block;width:8px;height:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);transition:transform var(--transition)}
button.menu-top-link[aria-expanded="true"]::after{transform:rotate(-135deg)}
.menu-sub{display:none;position:absolute;top:100%;left:0;right:0;background:var(--color-white);box-shadow:var(--shadow-lg);z-index:998;border-top:3px solid var(--color-accent)}
.menu-sub--open{display:block}
.menu-sub-inner{display:flex;max-width:var(--container-max);margin:0 auto}
.menu-sub-main{flex:1;padding:var(--space-xl);display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-md) var(--space-xl);align-content:start}
.menu-sub-desc{grid-column:1/-1;font-size:.875rem;color:var(--color-text-secondary);margin-bottom:var(--space-md);padding-bottom:var(--space-md);border-bottom:1px solid var(--color-border-light)}
.menu-sub-list h4,.menu-sub-section-title{font-size:.8125rem;font-weight:700;color:var(--color-primary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:var(--space-sm)}
.menu-sub-list li{margin-bottom:2px}
.menu-sub-list a{display:block;padding:var(--space-xs) var(--space-sm);color:var(--color-text);font-size:.875rem;border-radius:var(--radius-sm);transition:background var(--transition),color var(--transition)}
.menu-sub-list a:hover{background:var(--color-primary-light);color:var(--color-primary);text-decoration:none}
.menu-sub-more,.menu-sub-list .see-all{display:inline-flex;align-items:center;gap:var(--space-xs);font-weight:600;margin-top:var(--space-md);padding-top:var(--space-md);border-top:1px solid var(--color-border-light)}
.menu-sub-featured{flex:0 0 260px;padding:var(--space-xl);background:var(--color-bg-alt);border-left:1px solid var(--color-border-light)}
.menu-sub-featured-label{font-size:.6875rem;font-weight:700;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:var(--space-sm)}
.menu-featured-item{display:block;font-size:.875rem;font-weight:600}
.menu-featured-item img{width:100%;border-radius:var(--radius-sm);margin-top:var(--space-sm)}

/* Menu Overlay */
.menu-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.3);z-index:997}
.menu-overlay--visible{display:block}

/* ----- Hero Banner ----- */
.hero-banner{position:relative;overflow:hidden;min-height:360px;display:flex;align-items:center;background:var(--color-green)}
.hero-bg{position:absolute;inset:0}
.hero-img{width:100%;height:100%;object-fit:cover}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(to right, #003776 0%, rgba(255, 255, 255, .12) 60%, rgba(70, 122, 57, .05) 100%)}
.hero-content{position:relative;z-index:2;padding:var(--space-3xl) 1rem}
.hero-title{font-size:2.25rem;font-weight:700;color:var(--color-white);max-width:600px;margin-bottom:var(--space-lg);line-height:1.15}
.hero-desc{font-size:1.125rem;color:rgba(255,255,255,.9);max-width:500px;margin-bottom:var(--space-lg)}
.hero-btn{display:inline-flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-xl);background:var(--color-accent);color:var(--color-text);font-weight:600;border-radius:var(--radius-sm);transition:background var(--transition)}
.hero-btn:hover{background:var(--color-accent-dark);color:var(--color-text);text-decoration:none}

/* ----- Card Grid ----- */
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-lg)}
.card-grid--3col{grid-template-columns:repeat(3,1fr)}

/* ----- Partner Logo Wall ----- */
.partner-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-xl) var(--space-lg);align-items:center}
.partner-item{display:flex;flex-direction:column;align-items:center;gap:var(--space-sm);padding:var(--space-lg);border-radius:var(--radius-md);transition:box-shadow var(--transition)}
.partner-item:hover{box-shadow:var(--shadow-md)}
.partner-item img{width:120px;height:60px;object-fit:contain;filter:grayscale(100%) brightness(.85);transition:filter .35s ease,transform .35s ease}
.partner-item:hover img{filter:grayscale(0%) brightness(1);transform:scale(1.08)}
.partner-item span{font-size:.8125rem;color:var(--color-text-secondary);text-align:center}
.card{position:relative;border-radius:var(--radius-md);overflow:hidden;transition:box-shadow var(--transition);border-bottom: 4px solid var(--color-primary);border-top: 1px solid #ededed;border-left: 1px solid #ededed;border-right: 1px solid #ededed;}
.card-link{position:absolute;inset:0;z-index:1;display:block}
.card:hover{box-shadow:var(--shadow-md)}
.card-img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .35s ease}
.card:hover .card-img{transform:scale(1.05)}
.card-body{padding:var(--space-md)}
.card-title{font-size:1.125rem;font-weight:400;margin-bottom:var(--space-xs)}
.card-title a{color:var(--color-text)}
.card-title a:hover{color:var(--color-primary)}
.card-desc{font-size:.875rem;color:var(--color-text-secondary)}
.card--compact .card-body{padding:var(--space-sm) var(--space-md) var(--space-md)}
.card-ext-gangwei{font-size:1rem;color:var(--color-primary);font-weight:600;margin-bottom:2px}
.card-ext-zhiwei{font-size:1rem;color:var(--color-text-secondary);}
@media (min-width: 981px){.card-ext-zhiwei{height: 25.6px;}}
/* ----- Carousel ----- */
.carousel{position:relative;overflow:hidden}
.carousel-track{display:flex;transition:transform .5s ease;touch-action:pan-y}
.carousel-slide{flex:0 0 25%;padding:0 var(--space-sm);box-sizing:border-box}
.carousel-slide .card{border-bottom:4px solid var(--color-primary)}
.carousel-scrollbar{position:relative;height:4px;background:var(--color-border-light);border-radius:2px;margin-top:var(--space-lg);opacity:0;transition:opacity .4s ease}
.carousel:hover .carousel-scrollbar{opacity:1}
.carousel-scrollbar-thumb{position:absolute;top:0;left:0;height:100%;background:var(--color-border);border-radius:2px;transition:left .4s ease,width .4s ease}

/* News card */
.news-card{display:flex;flex-direction:column}
.news-card__image{overflow:hidden;border-radius:var(--radius-sm);margin-bottom:var(--space-md)}
.news-card__image img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-card__image img{transform:scale(1.05)}
.news-card__date{font-size:.75rem;color:var(--color-text-muted);margin-bottom:var(--space-xs)}
.news-card__title{font-size:1rem;font-weight:600;margin-bottom:var(--space-sm);line-height:1.3}
.news-card__title a{color:var(--color-text)}
.news-card__title a:hover{color:var(--color-primary)}
.news-card__meta{display:flex;align-items:center;gap:var(--space-xs);font-size:.75rem;color:var(--color-text-muted);margin-top:auto}
.news-grid__divider{grid-column:1/-1;border-top:1px solid var(--color-border-light);margin:var(--space-md) 0}
.news-grid__more{grid-column:1/-1;text-align:right;padding:var(--space-md) 0}
.news-grid__more a{font-weight:600;display:inline-flex;align-items:center;gap:var(--space-xs)}

.link-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-lg)}
.link-card{display:flex;gap:var(--space-md);align-items:flex-start;padding:var(--space-md);border-radius:var(--radius-md);transition:box-shadow var(--transition);color:var(--color-text);text-decoration:none}
.link-card:hover{box-shadow:var(--shadow-sm);color:var(--color-text);text-decoration:none}
.link-card-icon{flex-shrink:0;width:48px;height:48px;object-fit:contain}
.link-card-title{font-size:1rem;font-weight:600;margin-bottom:var(--space-xs);color:var(--color-text)}
.link-card:hover .link-card-title{color:var(--color-primary)}
.link-card-desc{font-size:.875rem;color:var(--color-text-secondary)}

/* ----- Footer ----- */
.site-footer{background:var(--color-bg-dark);color:var(--color-white);padding:0}
.footer-top{background:var(--color-bg-dark);padding:var(--space-xl) 0;border-bottom:1px solid rgba(255,255,255,.15)}
.footer-join{display:flex;align-items:center;justify-content:center;gap:var(--space-xl);flex-wrap:wrap;max-width:var(--container-max);margin:0 auto;padding:0 1rem}
.footer-join-text{font-size:1.375rem;font-weight:700;color:var(--color-white)}
.btn-join{display:inline-flex;align-items:center;padding:var(--space-md) var(--space-2xl);background:var(--color-accent);color:var(--color-bg-dark);font-weight:700;font-size:1rem;border-radius:var(--radius-sm);transition:background var(--transition),color var(--transition),transform var(--transition)}
.btn-join:hover{background:var(--color-accent-dark);color:var(--color-bg-dark);text-decoration:none;transform:translateY(-2px)}
.footer-main{display:grid;grid-template-columns:180px 1fr;gap:var(--space-3xl);max-width:var(--container-max);margin:0 auto;padding:var(--space-2xl) 1rem}
.footer-qr{display:flex;flex-direction:column;align-items:center;gap:var(--space-sm)}
.footer-qr-img{width:140px;height:140px;border-radius:var(--radius-sm);background:var(--color-white);padding:4px}
.footer-qr-text{font-size:.8125rem;color:rgba(255,255,255,.7);text-align:center}
.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-xl)}
.footer-col h4{font-size:.875rem;font-weight:600;margin-bottom:var(--space-md);color:var(--color-white)}
.footer-col li{margin-bottom:var(--space-xs)}
.footer-col a{color:rgba(255,255,255,.7);font-size:.875rem}
.footer-col a:hover{color:var(--color-white)}
.social-links{display:flex;flex-direction:column;gap:var(--space-xs)}
.social-links li{margin-bottom:var(--space-xs)}
.social-links a{color:rgba(255,255,255,.7);font-size:.875rem}
.social-links a:hover{color:var(--color-white)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:var(--space-lg) 0;max-width:var(--container-max);margin:0 auto;padding-left:1rem;padding-right:1rem;text-align:left;}
.footer-copy{font-size:.8125rem;color:rgba(255,255,255,.6)}
.footer-copy a{color:rgba(255, 255, 255, .6);}
/* ----- Responsive ----- */
@media(max-width:1023px){
  :root{--header-height:64px}
  .btn-menu{display:flex}
  .menu-top{display:none;flex-direction:column;position:absolute;top:100%;left:0;right:0;background:var(--color-primary);z-index:998}
  .menu-top--open{display:flex}
  .menu-sub{position:static}
  .menu-sub-inner{flex-direction:column}
  .menu-sub-main{grid-template-columns:repeat(2,1fr);padding:var(--space-md)}
  .menu-sub-featured{flex:none;border-left:none;border-top:1px solid var(--color-border-light)}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .card-grid--3col{grid-template-columns:repeat(2,1fr)}
  .link-grid{grid-template-columns:repeat(2,1fr)}
  .partner-grid{grid-template-columns:repeat(3,1fr)}
  .carousel-slide{flex:0 0 33.333%}
  .hero-title{font-size:1.75rem}
  .footer-main{grid-template-columns:1fr;gap:var(--space-xl);display: none;}
  .footer-qr{flex-direction:row;justify-content:center;gap:var(--space-md)}
  .hero-banner{min-height:260px}
}
@media(max-width:767px){
  .card-grid{grid-template-columns:1fr}
  .card-grid--3col{grid-template-columns:1fr}
  .partner-grid{grid-template-columns:repeat(2,1fr)}
  .carousel-slide{flex:0 0 50%}
  .link-grid{grid-template-columns:1fr}
  .hero-banner{min-height:240px}
  .hero-title{font-size:1.5rem}
  .hero-desc{font-size:1rem}
  .menu-sub-main{grid-template-columns:1fr}
  .footer-links{grid-template-columns:1fr}
  .site-header__sitename{display:block}
  .logo img{height:38px}
  .logo-text{font-size:.9375rem}
  .header-bar{height:60px}
}
.about-content ul{list-style-type: disc; padding-left: 55px;}
/* ----- Page Hero ----- */
.page-hero{background:var(--color-primary);padding:var(--space-2xl) 0}
.page-hero-title{font-size:1.75rem;font-weight:700;color:var(--color-white);margin-bottom:var(--space-sm)}
.page-hero-breadcrumb{font-size:.8125rem;color:rgba(255,255,255,.65)}
.page-hero-breadcrumb a{color:rgba(255,255,255,.8)}
.page-hero-breadcrumb a:hover{color:var(--color-accent)}

/* ----- News Filter ----- */
.news-filter{display:flex;flex-wrap:wrap;gap:var(--space-sm);margin-bottom:var(--space-xl);padding-bottom:var(--space-lg);border-bottom:1px solid var(--color-border-light)}
.filter-btn{display:inline-flex;padding:var(--space-xs) var(--space-lg);font-size:.875rem;font-weight:500;color:var(--color-text-secondary);border-radius:20px;transition:all var(--transition)}
.filter-btn:hover{background:var(--color-primary-light);color:var(--color-primary);text-decoration:none}
.filter-btn.active{background:var(--color-primary);color:var(--color-white)}

/* ----- News List Grid ----- */
.news-list-grid{display:flex;flex-direction:column;gap:var(--space-lg)}
.news-list-card{position:relative;display:grid;grid-template-columns:280px 1fr;gap:var(--space-xl);padding-bottom:var(--space-lg);border-bottom:1px solid var(--color-border-light)}
.news-list-card__link{position:absolute;inset:0;z-index:1;display:block}
.news-list-card__image{overflow:hidden;border-radius:var(--radius-sm)}
.news-list-card__image img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease}
.news-list-card:hover .news-list-card__image img{transform:scale(1.05)}
.news-list-card__body{display:flex;flex-direction:column}
.news-list-card__date{font-size:.75rem;color:var(--color-text-muted);margin-bottom:var(--space-xs)}
.news-list-card__title{font-size:1.125rem;font-weight:600;line-height:1.3;margin-bottom:var(--space-sm)}
.news-list-card__title a{color:var(--color-text)}
.news-list-card__title a:hover{color:var(--color-primary)}
.news-list-card__desc{font-size:.875rem;color:var(--color-text-secondary);line-height:1.6;margin-bottom:var(--space-md);flex:1}
.news-list-card__meta{display:flex;gap:var(--space-lg);font-size:.75rem;color:var(--color-text-muted)}

/* ----- Pagination ----- */
.pagination{display:flex;align-items:center;justify-content:center;gap:var(--space-sm);margin-top:var(--space-2xl)}
.pagination-btn{display:inline-flex;align-items:center;justify-content:center;padding:8px 12px;color:var(--color-text);border:1px solid var(--color-border);border-radius:var(--radius-sm);transition:all var(--transition)}
.pagination-btn:hover{border-color:var(--color-primary);color:var(--color-primary);text-decoration:none}
.pagination-btn.disabled{opacity:.4;pointer-events:none}
.pagination-nums{display:flex;gap:4px}
.pagination-nums a{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;font-size:.875rem;color:var(--color-text);border:1px solid var(--color-border);border-radius:var(--radius-sm);transition:all var(--transition)}
.pagination-nums a:hover,.pagination-nums a.active{background:var(--color-primary);border-color:var(--color-primary);color:var(--color-white);text-decoration:none}
.empty-state{text-align:center;padding:var(--space-3xl);font-size:1rem;color:var(--color-text-muted)}

/* ----- Responsive: News List ----- */
@media(max-width:767px){
 .news-list-card{grid-template-columns:1fr;gap:var(--space-md)}
 .page-hero{padding:var(--space-xl) 0}
 .page-hero-title{font-size:1.375rem}
}

/* ----- Article Detail ----- */
.article-layout{display:grid;grid-template-columns:1fr 320px;gap:var(--space-3xl)}
.article-main{min-width:0}
.article-header{border-bottom:1px solid var(--color-border-light);padding-bottom:var(--space-xl);margin-bottom:var(--space-2xl)}
.article-title{font-size:2rem;font-weight:700;line-height:1.35;margin-bottom:var(--space-lg);color:var(--color-text)}
.article-meta{display:flex;flex-wrap:wrap;gap:var(--space-xl);font-size:.875rem;color:var(--color-text-muted);margin-bottom:var(--space-sm)}
.article-meta-item{display:flex;align-items:center;gap:var(--space-xs)}
.article-content{font-size:1.0625rem;line-height:2;color:var(--color-text);margin-bottom:var(--space-2xl);overflow-wrap:break-word;word-break:break-word;overflow-x:hidden}
.article-content img{width:auto;max-width:100%;height:auto;border-radius:var(--radius-sm);margin:var(--space-lg) auto}
.article-content p{margin-bottom:var(--space-lg)}
.article-content h2,.article-content h3{font-size:1.25rem;margin:var(--space-xl) 0 var(--space-md)}
.article-content table{width:100%;max-width:100%;display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}
.article-content iframe{max-width:100%}
.article-content video{max-width:100%}
.article-content center{max-width:100%;overflow:hidden}
.article-tags{display:flex;flex-wrap:wrap;gap:var(--space-sm);padding:var(--space-lg) 0;border-top:1px solid var(--color-border-light)}
.article-tag{display:inline-flex;padding:var(--space-xs) var(--space-md);font-size:.8125rem;color:var(--color-text-secondary);background:var(--color-bg-alt);border-radius:20px;transition:all var(--transition)}
.article-tag:hover{background:var(--color-primary);color:var(--color-white);text-decoration:none}
.article-nav{display:flex;flex-direction:column;gap:var(--space-md);padding-top:var(--space-xl);margin-top:var(--space-xl);border-top:1px solid var(--color-border-light)}
.article-nav-link{display:flex;flex-direction:column;font-size:.875rem;color:var(--color-text-secondary);transition:color var(--transition)}
.article-nav-link:hover{color:var(--color-primary);text-decoration:none}
.article-nav-label{margin-bottom:2px}
.article-nav-text{font-size:.8125rem;color:var(--color-text-muted)}
.article-nav-center{text-align:center}
.article-nav-right{text-align:left}

/* Sidebar */
.article-sidebar{display:flex;flex-direction:column;gap:var(--space-xl);min-width:0}
.sidebar-block{background:var(--color-bg-alt);border-radius:var(--radius-md);padding:var(--space-xl)}
.sidebar-title{font-size:1.125rem;font-weight:600;margin-bottom:var(--space-lg);padding-bottom:var(--space-sm);border-bottom:2px solid var(--color-primary);color:var(--color-text)}
.sidebar-list{display:flex;flex-direction:column}
.sidebar-list--thumb{gap:var(--space-md)}
.sidebar-thumb-item{display:flex;gap:var(--space-md);align-items:center;color:var(--color-text);transition:color var(--transition)}
.sidebar-thumb-item:hover{color:var(--color-primary);text-decoration:none}
.sidebar-thumb-img{width:80px;height:56px;object-fit:cover;border-radius:4px;flex-shrink:0}
.sidebar-thumb-info{display:flex;flex-direction:column;gap:4px;min-width:0}
.sidebar-thumb-title{font-size:.875rem;line-height:1.4;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.sidebar-thumb-date{font-size:.75rem;color:var(--color-text-muted)}
.sidebar-list--rank{counter-reset:rank}
.sidebar-rank-item{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-sm) 0;font-size:.875rem;color:var(--color-text);border-bottom:1px dashed var(--color-border-light);transition:color var(--transition)}
.sidebar-rank-item:last-child{border-bottom:none}
.sidebar-rank-item:hover{color:var(--color-primary);text-decoration:none}
.sidebar-rank-num{display:flex;align-items:center;justify-content:center;width:22px;height:22px;font-size:.75rem;font-weight:700;color:var(--color-white);background:var(--color-text-muted);border-radius:4px;flex-shrink:0}
.sidebar-rank-item:nth-child(-n+3) .sidebar-rank-num{background:var(--color-primary)}
.sidebar-rank-title{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sidebar-contact-item{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) 0;font-size:.875rem;color:var(--color-text-secondary)}
.sidebar-contact-item svg{flex-shrink:0;color:var(--color-primary)}
.sidebar-qr{text-align:center}
.sidebar-qr-img{display:block;margin:0 auto;width:150px;height:150px;background:var(--color-white);padding:6px;border-radius:var(--radius-sm)}
.sidebar-qr-text{font-size:.75rem;color:var(--color-text-muted);margin-top:var(--space-sm)}

@media(max-width:767px){
 .article-layout{grid-template-columns:1fr}
 .article-title{font-size:1.5rem}
}

/* ----- About Page ----- */
.about-layout{display:grid;grid-template-columns:1fr 320px;gap:var(--space-3xl)}
.about-main{min-width:0}
.about-content{font-size:1.0625rem;line-height:2;color:var(--color-text);overflow-wrap:break-word;word-break:break-word;overflow-x:hidden}
.about-content img{width:auto;max-width:100%;height:auto;border-radius:var(--radius-sm);margin:var(--space-lg) auto}
.about-content p{margin-bottom:1rem;text-align:justify}
.about-content h2,.about-content h3{font-size:1.375rem;margin:var(--space-2xl) 0 var(--space-md);color:var(--color-text)}
.about-content table{width:100%;max-width:100%;display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}
.about-content iframe{max-width:100%}
.about-content video{max-width:100%}
.about-content center{max-width:100%;overflow:hidden}
.about-sidebar{display:flex;flex-direction:column;gap:var(--space-xl);min-width:0}

@media(max-width:767px){
 .about-layout{grid-template-columns:1fr}
}

/* ----- Message Form ----- */
.message-layout{display:grid;grid-template-columns:1fr 320px;gap:var(--space-3xl)}
.message-main{min-width:0}
.message-desc{font-size:1rem;color:var(--color-text-secondary);margin-bottom:var(--space-xl)}
.message-form{background:var(--color-bg-alt);padding:var(--space-2xl);border-radius:var(--radius-md)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-lg);}
.form-row--code{grid-template-columns:1fr auto;align-items:end}
.form-group{display:flex;flex-direction:column;gap:var(--space-xs);margin-bottom: var(--space-lg);}
.form-code-img {
    margin-bottom: var(--space-lg);
}
.form-group label{font-size:.875rem;font-weight:600;color:var(--color-text)}
.form-group input,.form-group textarea{padding:var(--space-sm) var(--space-md);border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:.9375rem;font-family:inherit;transition:border-color var(--transition);outline:none}
.form-group input:focus,.form-group textarea:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px rgba(0,71,171,.08)}
.form-group textarea{resize:vertical}
.form-code-img img{height:36px;border-radius:var(--radius-sm);cursor:pointer;border:1px solid var(--color-border)}
.form-submit{display:inline-flex;padding:var(--space-md) var(--space-3xl);background:var(--color-primary);color:var(--color-white);font-size:1rem;font-weight:600;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:background var(--transition);margin-top:var(--space-lg)}
.form-submit:hover{background:var(--color-primary-dark)}
.message-sidebar{display:flex;flex-direction:column;gap:var(--space-xl)}

@media(max-width:767px){
 .message-layout{grid-template-columns:1fr}
 .form-row{grid-template-columns:1fr}
 .message-form{padding:var(--space-lg)}
}

/* ----- Search ----- */
.search-bar{display:flex;max-width:640px;margin:0 auto;gap:var(--space-sm)}
.search-bar-input{flex:1;padding:var(--space-sm) var(--space-lg);border:2px solid var(--color-border);border-radius:var(--radius-sm);font-size:1rem;font-family:inherit;outline:none;transition:border-color var(--transition)}
.search-bar-input:focus{border-color:var(--color-primary)}
.search-bar-btn{padding:var(--space-sm) var(--space-2xl);background:var(--color-primary);color:var(--color-white);font-size:1rem;font-weight:600;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:background var(--transition)}
.search-bar-btn:hover{background:var(--color-primary-dark)}

/* ----- Product Detail ----- */
.product-detail{max-width:900px;margin:0 auto}
.product-title{font-size:2rem;font-weight:700;line-height:1.35;margin-bottom:var(--space-2xl);color:var(--color-text)}
.product-content{font-size:1.0625rem;line-height:2;color:var(--color-text);overflow-wrap:break-word;word-break:break-word;overflow-x:hidden}
.product-content img{width:auto;max-width:100%;height:auto;border-radius:var(--radius-sm);margin:var(--space-lg) auto}
.product-content p{margin-bottom:var(--space-lg)}
.product-content table{width:100%;max-width:100%;display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}
.product-content iframe{max-width:100%}
.product-content video{max-width:100%}
.product-content center{max-width:100%;overflow:hidden}