/* ===== YiDUOLash Single Post Styles v4 ===== */
/* Based on index.css v4 design system */

/* ===== RESET & BASE ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',-apple-system,sans-serif;
  color:#1a1a1a;
  background:#fcfaf8;
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
button{cursor:pointer;font-family:inherit;background:none;border:none}
::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:#fcfaf8}
::-webkit-scrollbar-thumb{background:#b88494;border-radius:3px}
:focus-visible{outline:2px solid #b88494;outline-offset:3px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ===== TYPOGRAPHY ===== */
h1,h2,h3,h4,.logo{font-family:'Playfair Display',serif;font-weight:600}
.label{
  font-size:11px;
  font-weight:600;
  letter-spacing:2.5px;
  text-transform:uppercase;
  color:#b88494;
  margin-bottom:10px;
  text-align:center;
}

/* ===== READ PROGRESS ===== */
.read-progress{position:fixed;top:0;left:0;height:2px;background:#b88494;width:0%;z-index:300;transition:width .1s linear}

/* ===== ANNOUNCEMENT ===== */
.announcement-bar{
  background:#1a1a1a;color:#fff;
  text-align:center;padding:9px 16px;
  font-size:12px;letter-spacing:.4px;font-weight:400;
  position:relative;z-index:102;
  transition:transform .3s;
}
.announcement-bar strong{color:#f0cad8;font-weight:600}
.announcement-bar.hide{transform:translateY(-100%)}

/* ===== HEADER ===== */
.header{
  position:sticky;top:0;z-index:101;
  background:rgba(252,250,248,.96);backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(0,0,0,.05);
  transition:box-shadow .3s;
}
.header.scrolled{box-shadow:0 2px 20px rgba(0,0,0,.06)}
.header-inner{
  display:flex;align-items:center;
  justify-content:space-between;
  padding:16px 24px;max-width:1200px;margin:0 auto;
}
.logo{
  font-size:22px;font-weight:700;letter-spacing:.5px;
  font-family:'Playfair Display',serif;
}
.logo em{font-style:italic;color:#b88494}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{
  font-size:13px;font-weight:500;letter-spacing:.3px;
  transition:color .3s;position:relative;color:#444;
}
.nav-links a::after{
  content:'';position:absolute;bottom:-4px;left:0;
  width:0;height:1.5px;background:#b88494;transition:width .3s;
}
.nav-links a:hover{color:#b88494}
.nav-links a:hover::after{width:100%}
.nav-icons{display:flex;align-items:center;gap:14px}
.nav-icon-btn{background:none;border:none;cursor:pointer;padding:0;width:20px;height:20px;display:flex;align-items:center;justify-content:center;flex-shrink:0;color:inherit;line-height:0}
.nav-icon-btn:hover svg{color:#b88494}
.nav-icons svg{width:20px;height:20px;cursor:pointer;transition:color .3s;color:#444}
.nav-icons svg:hover{color:#b88494}
.nav-icons .cart-wrap{position:relative;display:flex;align-items:center;justify-content:center;width:20px;height:20px}
.nav-icons .cart-count{
  position:absolute;top:-6px;right:-6px;
  width:16px;height:16px;border-radius:50%;
  background:#b88494;color:#fff;
  font-size:9px;font-weight:600;
  display:flex;align-items:center;justify-content:center;
}
.hamburger{
  display:none;flex-direction:column;gap:4px;
  cursor:pointer;background:none;border:none;padding:4px;
}
.hamburger span{width:22px;height:2px;background:#1a1a1a;display:block;transition:.3s}
.mobile-menu{
  display:none;position:fixed;inset:0;
  background:rgba(252,250,248,.98);z-index:200;
  flex-direction:column;align-items:center;justify-content:center;
  gap:24px;opacity:0;transform:translateY(-16px);
  transition:opacity .35s,transform .35s;
}
.mobile-menu.open{display:flex;opacity:1;transform:translateY(0)}
.mobile-menu a{font-size:20px;font-weight:500;font-family:'Playfair Display',serif;color:#333}
.mobile-menu a:hover{color:#b88494}
.mobile-close{
  position:absolute;top:20px;right:24px;
  background:none;border:none;font-size:36px;cursor:pointer;color:#1a1a1a;
}

/* ===== BREADCRUMB ===== */
.breadcrumb-bar{padding:14px 0;border-bottom:1px solid rgba(0,0,0,.05)}
.breadcrumb-nav{display:flex;align-items:center;gap:8px;font-size:12px;color:#999;flex-wrap:wrap}
.breadcrumb-nav a{transition:color .3s;color:#999}
.breadcrumb-nav a:hover{color:#1a1a1a}
.bc-sep{color:#ddd}
.bc-current{color:#1a1a1a;font-weight:500}

/* ===== ARTICLE WRAP ===== */
.article-wrap{max-width:1140px;margin:0 auto;padding:48px 24px 76px}
.article-header,.article-tags,.article-share{max-width:760px}

/* ===== ARTICLE HEADER ===== */
.article-header{margin-bottom:36px}
.article-cat{display:inline-block;margin-bottom:14px;text-align:left}
.article-h1{
  font-family:'Playfair Display',serif;
  font-size:clamp(30px,5vw,52px);
  font-weight:600;line-height:1.02;
  letter-spacing:-0.5px;margin-bottom:18px;
}
.article-h1 em{font-style:italic;color:#b88494}
.article-lede{
  font-size:17px;color:#888;font-weight:300;
  line-height:1.7;border-left:2px solid #b88494;
  padding-left:20px;margin-bottom:28px;
}
.article-byline{
  display:flex;align-items:center;gap:14px;
  padding:20px 0;
  border-top:1px solid rgba(0,0,0,.06);
  border-bottom:1px solid rgba(0,0,0,.06);
}
.byline-avatar{width:44px;height:44px;border-radius:50%;overflow:hidden;background:#f2e8ea;flex-shrink:0}
.byline-avatar img{width:100%;height:100%;object-fit:cover}
.byline-name{font-size:14px;font-weight:500}
.byline-meta{font-size:11px;color:#999;margin-top:2px}
.byline-read{margin-left:auto;font-size:11px;color:#999;white-space:nowrap;font-weight:500;letter-spacing:.3px;text-transform:uppercase}

/* ===== ARTICLE BODY ===== */
.article-body{margin-top:36px}
.article-content-grid{display:grid;grid-template-columns:1fr 380px;gap:48px;align-items:start}
.article-body p{font-size:16px;line-height:1.85;color:#444;margin-bottom:24px}
.article-body a{color:#b88494;text-decoration:underline;text-underline-offset:3px;transition:color .3s}
.article-body a:hover{color:#9e6d7c}
.article-body .product-card-btn{color:#fff;text-decoration:none}
.article-body .product-card-btn:hover{color:#fff}
.article-body h2{
  font-family:'Playfair Display',serif;
  font-size:clamp(22px,3vw,30px);
  font-weight:600;line-height:1.1;
  margin:44px 0 18px;
}
.article-body h3{
  font-size:13px;font-weight:600;letter-spacing:1px;
  text-transform:uppercase;color:#b88494;
  margin:32px 0 14px;
}
.article-body ul{list-style:none;padding:0;margin-bottom:24px}
.article-body ul li{
  font-size:15px;line-height:1.75;color:#666;
  padding-left:20px;position:relative;margin-bottom:8px;
}
.article-body ul li::before{content:'—';position:absolute;left:0;color:#b88494;font-size:13px}
.article-body ol{counter-reset:article-ol;padding:0;margin-bottom:24px}
.article-body ol li{counter-increment:article-ol;font-size:15px;line-height:1.75;color:#666;padding-left:28px;position:relative;margin-bottom:8px;list-style:none}
.article-body ol li::before{content:counter(article-ol)'.';position:absolute;left:0;color:#b88494;font-size:13px;font-weight:600}
.article-body blockquote{
  font-family:'Playfair Display',serif;
  font-size:clamp(18px,2.5vw,26px);
  font-style:italic;font-weight:500;line-height:1.35;
  color:#1a1a1a;border-left:2px solid #b88494;
  padding:8px 0 8px 28px;margin:36px 0;
}
.article-body .table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 -24px;padding:0 24px}
.article-body table{
  width:100%;border-collapse:collapse;
  margin:28px 0;font-size:14px;
}
.article-body thead th{
  background:#1a1a1a;color:#fff;
  padding:12px 16px;text-align:left;
  font-size:11px;font-weight:600;
  letter-spacing:.6px;text-transform:uppercase;
}
.article-body thead th:first-child{border-radius:6px 0 0 0}
.article-body thead th:last-child{border-radius:0 6px 0 0}
.article-body tbody td{
  padding:12px 16px;
  border-bottom:1px solid rgba(0,0,0,.06);
  color:#555;line-height:1.6;
}
.article-body tbody tr:nth-child(even) td{background:rgba(0,0,0,.015)}
.article-body tbody tr:hover td{background:rgba(184,132,148,.04)}
.article-body tbody td:first-child{font-weight:500;color:#1a1a1a}
.article-body tbody tr:last-child td:first-child{border-radius:0 0 0 6px}
.article-body tbody tr:last-child td:last-child{border-radius:0 0 6px 0}
@media(max-width:640px){
  .article-body table{font-size:13px}
}
.article-body .article-img{margin:36px 0;overflow:hidden;border-radius:8px}
.article-body .article-img img{width:100%;max-height:480px;object-fit:cover}
.article-body .review-img{display:block;width:100%;max-width:300px;height:auto;margin:36px auto;border-radius:8px;box-shadow:0 2px 12px rgba(0,0,0,.06)}

/* ===== TABLE OF CONTENTS ===== */
.toc-sidebar{position:sticky;top:100px;padding-left:20px;border-left:1px solid rgba(0,0,0,.08)}
.toc-title{font-size:11px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;color:#999;margin:0 0 16px}
.toc-nav a{display:block;font-size:13px;color:#888;padding:6px 0;line-height:1.4;transition:color .2s;text-decoration:none}
.toc-nav a:hover,.toc-nav a.active{color:#b88494}
.toc-nav a[data-level=h3]{font-size:12px;padding-left:14px;color:#aaa}
@media(max-width:1000px){.article-content-grid{grid-template-columns:1fr}.toc-sidebar{display:none}}
.article-body .img-caption{
  font-size:11px;color:#999;
  text-align:center;margin-top:8px;font-style:italic;
}
.article-body .tip-box{
  background:#f2e8ea;border-left:2px solid #b88494;
  padding:20px 24px;margin:32px 0;border-radius:0 8px 8px 0;
}
.tip-label{font-size:10px;font-weight:600;letter-spacing:1px;text-transform:uppercase;color:#b88494;margin-bottom:8px}
.tip-text{font-size:14px;color:#666;line-height:1.7}

/* ===== PRODUCT CARD ===== */
.product-card{
  display:flex;gap:24px;align-items:center;
  border:1px solid rgba(0,0,0,.08);border-radius:12px;overflow:hidden;
  margin:36px 0;background:#fcfaf8;
}
.product-card-img{flex:0 0 42%;max-width:320px;aspect-ratio:1/1;background:#f2e8ea}
.product-card-img img{width:100%;height:100%;object-fit:cover}
.product-card-info{
  flex:1;padding:28px 28px 28px 0;
  display:flex;flex-direction:column;
}
.product-card-info h3{
  font-family:'Playfair Display',serif;font-size:22px;font-weight:600;
  margin:0 0 10px;color:#1a1a1a;line-height:1.2;
  text-transform:none;letter-spacing:0;
}
.product-card-info p{font-size:14px;color:#666;line-height:1.7;margin:0 0 18px;flex:1}
.product-card-btn{
  display:inline-block;background:#b88494;color:#fff;
  padding:12px 28px;font-size:12px;font-weight:600;
  letter-spacing:.8px;text-transform:uppercase;
  border-radius:6px;transition:background .3s;align-self:flex-start;
}
.product-card-btn:hover{background:#9e6d7c;color:#fff}
@media(max-width:600px){
  .product-card{flex-direction:column}
  .product-card-img{flex:none;width:100%;max-width:none;aspect-ratio:1}
  .product-card-info{padding:20px 24px 24px}
}

/* ===== SECRET CONTENT ===== */
.secret-content-section{margin-top:44px;padding-top:28px;border-top:2px dashed rgba(0,0,0,.06)}
.secret-label{display:inline-flex;align-items:center;gap:8px;font-size:11px;font-weight:600;letter-spacing:1px;text-transform:uppercase;color:#b88494;margin-bottom:20px}
.secret-body{
  background:linear-gradient(135deg,rgba(184,132,148,.06),rgba(184,132,148,.02));
  border:1px solid rgba(0,0,0,.06);padding:28px 32px;position:relative;
}
.secret-body.locked::after{
  content:'';position:absolute;inset:0;
  background:rgba(252,250,248,.85);backdrop-filter:blur(6px);
}
.secret-lock-overlay{
  position:absolute;inset:0;
  background:rgba(252,250,248,.88);backdrop-filter:blur(8px);
  display:flex;align-items:center;justify-content:center;z-index:5;
}
.secret-lock-inner{text-align:center}
.secret-lock-inner p{font-size:11px;font-weight:600;letter-spacing:.6px;text-transform:uppercase;color:#888;margin-bottom:14px}
.secret-lock-inner a{font-size:11px;font-weight:600;letter-spacing:.8px;text-transform:uppercase;color:#1a1a1a;border-bottom:1px solid #1a1a1a;padding-bottom:2px}

/* ===== TAGS ===== */
.article-tags{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:44px;padding-top:28px;border-top:1px solid rgba(0,0,0,.06)}
.tag-label{font-size:11px;color:#999;margin-right:4px;font-weight:500}
.article-tag{padding:5px 12px;border:1px solid #ddd;font-size:11px;color:#888;transition:all .3s}
.article-tag:hover{border-color:#1a1a1a;color:#1a1a1a}

/* ===== SHARE ===== */
.article-share{display:flex;align-items:center;gap:14px;margin-top:28px;flex-wrap:wrap}
.share-label{font-size:11px;font-weight:600;letter-spacing:.6px;text-transform:uppercase;color:#999}
.share-btn{
  padding:9px 18px;border:1px solid #ddd;
  font-size:11px;color:#888;display:inline-flex;align-items:center;
  gap:6px;transition:all .3s;min-height:38px;font-family:'Inter',sans-serif;
}
.share-btn:hover{border-color:#1a1a1a;color:#1a1a1a}
.share-btn svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2}

/* ===== RELATED SECTION ===== */
.related-section{background:#f2e8ea;padding:56px 0}
.related-inner{max-width:760px;margin:0 auto;padding:0 24px}
.related-heading{
  font-family:'Playfair Display',serif;
  font-size:clamp(22px,3vw,30px);
  font-weight:600;margin:12px 0 32px;line-height:1;
}
.related-heading em{font-style:italic;color:#b88494}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:640px){.related-grid{grid-template-columns:1fr}}
.related-card{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px;background:#fcfaf8;
  border:1px solid rgba(0,0,0,.06);transition:border-color .3s;
}
.related-card:hover{border-color:#1a1a1a}
.related-thumb{width:70px;height:70px;overflow:hidden;flex-shrink:0;background:#f2e8ea}
.related-thumb img{width:70px;height:70px;object-fit:cover;transition:transform .5s}
.related-card:hover .related-thumb img{transform:scale(1.08)}
.related-card-cat{font-size:10px;color:#b88494;font-weight:600;letter-spacing:.5px;text-transform:uppercase;margin-bottom:4px}
.related-card-title{font-family:'Playfair Display',serif;font-size:15px;line-height:1.2;font-weight:600}
.related-card-title em{font-style:italic}

/* ===== FOOTER ===== */
.footer{background:#1a1a1a;color:rgba(255,255,255,.65);padding:52px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px}
.footer-brand .logo{color:#fff;margin-bottom:12px;display:inline-block}
.footer-brand p{font-size:13px;line-height:1.7;max-width:280px}
.footer h4{color:#fff;font-size:12px;font-weight:600;letter-spacing:.8px;text-transform:uppercase;margin-bottom:16px}
.footer ul li{margin-bottom:8px}
.footer ul li a{font-size:13px;transition:color .3s}
.footer ul li a:hover{color:#b88494}
.footer .social-row{display:flex;gap:10px;margin-top:16px}
.footer .social-row a{
  width:32px;height:32px;border-radius:50%;border:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;transition:all .3s;color:rgba(255,255,255,.5);
}
.footer .social-row a:hover{border-color:#b88494;background:#b88494;color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.06);
  margin-top:36px;padding:20px 0;
  display:flex;justify-content:space-between;align-items:center;
  font-size:12px;flex-wrap:wrap;gap:10px;
}

/* ===== BACK TO TOP ===== */
.btt{
  position:fixed;bottom:28px;right:28px;
  width:42px;height:42px;border-radius:50%;
  background:#1a1a1a;color:#fff;border:none;
  cursor:pointer;display:flex;align-items:center;justify-content:center;
  font-size:17px;opacity:0;transform:translateY(16px);
  transition:all .3s;z-index:50;box-shadow:0 4px 16px rgba(0,0,0,.12);
}
.btt.visible{opacity:1;transform:translateY(0)}
.btt:hover{background:#b88494}

/* ===== CART TOAST ===== */
.cart-toast{
  position:fixed;bottom:80px;right:28px;
  background:#1a1a1a;color:#fff;padding:12px 20px;
  border-radius:8px;font-size:13px;font-weight:500;
  box-shadow:0 6px 24px rgba(0,0,0,.18);
  opacity:0;transform:translateY(10px);
  transition:all .3s;z-index:60;pointer-events:none;
}
.cart-toast.show{opacity:1;transform:translateY(0)}

/* ===== REVEAL ===== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal-d1{transition-delay:.12s}
.reveal-d2{transition-delay:.24s}
.reveal-d3{transition-delay:.36s}

/* ===== LOGIN PROMPT OVERLAY ===== */
.login-prompt-overlay{
  position:fixed;inset:0;
  background:rgba(26,26,26,.6);backdrop-filter:blur(8px);
  z-index:500;display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none;transition:opacity .35s;
}
.login-prompt-overlay.show{opacity:1;pointer-events:auto}
.login-prompt-box{background:#fcfaf8;padding:48px 40px;max-width:420px;text-align:center;border:1px solid rgba(0,0,0,.06)}
.login-prompt-box h3{font-family:'Playfair Display',serif;font-size:24px;font-weight:600;font-style:italic;margin-bottom:12px}
.login-prompt-box p{font-size:14px;color:#888;margin-bottom:28px}
.login-prompt-close{font-size:12px;font-weight:600;letter-spacing:.6px;text-transform:uppercase;color:#888;cursor:pointer;transition:color .3s}
.login-prompt-close:hover{color:#1a1a1a}

/* ===== NOT FOUND ===== */
.not-found{text-align:center;padding:100px 20px}
.not-found h1{font-family:'Playfair Display',serif;font-size:42px;font-style:italic;font-weight:600;margin-bottom:16px;color:#1a1a1a}
.not-found p{font-size:14px;color:#888;margin-bottom:28px}
.not-found a{font-size:12px;font-weight:600;letter-spacing:.8px;text-transform:uppercase;border-bottom:1px solid #1a1a1a;padding-bottom:2px}

/* ===== RESPONSIVE ===== */
@media(max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr 1fr}
}
@media(max-width:768px){
  .nav-links{display:none}
  .hamburger{display:flex}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:480px){
  .header-inner{padding:14px 16px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
}