/* ============================================================
   JUEQ THEME — E2 Duotone Design System
   Zero external CSS, pure inline stylesheet
   ============================================================ */

/* ---- 1. CSS Variables ---- */
:root {
  --navy: #0a2540; --blue: #1da1f2; --blue-dark: #0d6dad; --blue-link: #0b6fb3;
  --blue-light: #e8f5fd; --white: #ffffff;
  --text-dark: #1a1a1a; --text-muted: #6b7280;
  --radius-sm: 6px; --radius: 10px; --radius-lg: 14px;
  --shadow-sm: 0 1px 3px rgba(10,37,64,0.06);
  --shadow: 0 2px 10px rgba(10,37,64,0.08);
  --shadow-md: 0 4px 18px rgba(10,37,64,0.10);
  --font: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono: "SF Mono","Fira Code","Consolas","Courier New",monospace;
  --section-gap: 40px;
}

/* ---- 2. Reset / Base / Typography ---- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth;height:100%}
body{font-family:var(--font);color:var(--text-dark);background:var(--white);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden;min-height:100%;display:flex;flex-direction:column}
main{flex:1}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue-link);text-decoration:underline;text-decoration-color:rgba(11,111,179,0.35);text-underline-offset:3px}
a:hover{text-decoration-color:var(--blue-link)}
.nav a,.footer a,.btn,.pagination-btn,.article-card,.product-card{text-decoration:none}
.nav a:hover,.footer a:hover,.btn:hover,.pagination-btn:hover,.article-card:hover,.product-card:hover{text-decoration:none}
h1,h2,h3,h4{color:var(--navy);line-height:1.3}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---- 3. Container ---- */
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--section-gap) 0}
@media(max-width:480px){.container{padding:0 16px}}

/* ---- 4. Navigation ---- */
.nav{position:sticky;top:0;z-index:100;background:var(--white);border-bottom:1px solid #e5e7eb;box-shadow:var(--shadow-sm)}
.nav-inner{max-width:1200px;margin:0 auto;height:64px;display:flex;align-items:center;padding:0 24px;position:relative}
.nav-brand{display:flex;align-items:center;gap:10px;color:var(--navy);text-decoration:none;flex-shrink:0}
.nav-brand:hover{text-decoration:none}
.nav-logo{width:36px;height:36px;border-radius:8px;overflow:hidden;flex-shrink:0}
.nav-logo img{width:100%;height:100%;object-fit:cover}
.nav-name{font-size:1.05rem;font-weight:700;white-space:nowrap}

/* Desktop search: centered absolute */
.nav-search{position:relative}
.nav-search-desktop{position:absolute;left:50%;transform:translateX(-50%);width:100%;max-width:360px}
.search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:#9ca3af;pointer-events:none;z-index:1}
.nav-search-input{width:100%;padding:8px 14px 8px 36px;border:1px solid #e0e4e8;border-radius:20px;font-size:.875rem;font-family:var(--font);background:#f5f7fa;color:var(--text-dark);outline:none;transition:all .2s}
.nav-search-input:focus{border-color:var(--blue);background:var(--white);box-shadow:0 0 0 3px rgba(29,161,242,0.08)}

/* Desktop: links row */
.nav-links{display:flex;align-items:center;gap:2px;flex-shrink:0;margin-left:auto}
.nav-link{padding:8px 14px;font-size:.875rem;font-weight:500;color:#4b5563;border-radius:var(--radius-sm);transition:all .2s;white-space:nowrap}
.nav-link:hover{color:var(--blue);text-decoration:none;background:#f0f7fc}

/* Order search button */
.nav-btn-order{display:flex;align-items:center;gap:4px;padding:6px 12px;border-radius:var(--radius-sm);font-size:.82rem;font-weight:500;text-decoration:none;border:1.5px solid #d1d5db;color:#4b5563;background:transparent;transition:all .2s;white-space:nowrap}
.nav-btn-order:hover{border-color:var(--blue);color:var(--blue)}
.nav-btn-order svg{width:14px;height:14px}
.nav-btn-order-m{display:none}

/* Mobile dropdown */
.nav-links-mobile{display:none}

/* Hamburger */
.nav-toggle{display:none}
.nav-hamburger{display:none;flex-direction:column;justify-content:center;width:44px;height:44px;cursor:pointer;gap:5px;padding:10px 6px}
.nav-hamburger span{display:block;height:2px;background:#4b5563;border-radius:2px;transition:all .3s}
.nav-toggle:checked~.nav-hamburger span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.nav-toggle:checked~.nav-hamburger span:nth-child(2){opacity:0}
.nav-toggle:checked~.nav-hamburger span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

@media(max-width:768px){
  .nav-search-desktop{display:none}
  .nav-btn-order-d{display:none}
  .nav-btn-order-m{display:flex;margin:0 auto}
  .nav-search-mobile{display:block;margin-bottom:8px}
  .nav-hamburger{display:flex}
  .nav-links{display:none}
  .nav-links-mobile{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;background:var(--white);border-bottom:1px solid #e5e7eb;box-shadow:var(--shadow);padding:12px 24px;gap:4px}
  .nav-toggle:checked~.nav-links-mobile{display:flex}
  .nav-link-m{width:100%;padding:12px 16px;font-size:1rem;font-weight:500;color:#4b5563;text-decoration:none;border-radius:var(--radius-sm)}
  .nav-link-m:hover{color:var(--blue);background:#f0f7fc}
}

/* ---- 5. Footer ---- */
.footer{background:var(--navy);padding:28px 0;margin-top:var(--section-gap)}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.footer-left{font-size:.82rem;color:rgba(255,255,255,0.7)}
.footer-right{display:flex;gap:24px}
.footer-right a{font-size:.82rem;color:rgba(255,255,255,0.7);text-decoration:none;transition:color .2s}
.footer-right a:hover{color:var(--white)}
@media(max-width:480px){
  .footer{margin-top:48px}
  .footer-inner{flex-direction:column;text-align:center}
  .footer-right{flex-wrap:wrap;justify-content:center;gap:16px}
}

/* ---- 6. Buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:50px;font-weight:400;cursor:pointer;font-family:var(--font);font-size:.9rem;transition:all .2s;border:none;line-height:1.4}
.btn-primary{padding:10px 28px;background:var(--blue-dark);color:var(--white)}
.btn-primary:hover{background:#0a5a94;box-shadow:0 4px 14px rgba(13,109,173,0.35);transform:translateY(-1px);text-decoration:none}
.btn-outline{padding:10px 28px;background:transparent;color:#4b5563;border:1.5px solid #d1d5db}
.btn-outline:hover{border-color:var(--blue);color:var(--blue);text-decoration:none}
.btn-outline-blue{padding:10px 28px;background:transparent;color:var(--blue-link);border:1.5px solid var(--blue-link)}
.btn-outline-blue:hover{background:var(--blue-light);text-decoration:none}
.btn-sm{padding:8px 18px;font-size:.875rem;border-radius:var(--radius-sm)}
@media(max-width:480px){
  .btn{width:100%;padding:12px 24px;font-size:.88rem}
}

/* ---- 7. Forms ---- */
.form-group{margin-bottom:16px}
.form-label{display:block;font-size:.85rem;font-weight:500;color:var(--navy);margin-bottom:6px}
.form-input{width:100%;padding:10px 14px;border:1px solid #e0e4e8;border-radius:20px;font-size:.88rem;font-family:var(--font);background:#f5f7fa;color:var(--text-dark);outline:none;transition:all .2s}
.form-input:focus{border-color:var(--blue);background:var(--white);box-shadow:0 0 0 3px rgba(29,161,242,0.08)}
.form-input::placeholder{color:#b0b8c1}
textarea.form-input{border-radius:var(--radius);resize:vertical;min-height:100px}

/* Quantity control */
.quantity{display:inline-flex;align-items:center;border:1px solid #e0e4e8;border-radius:20px;overflow:hidden}
.quantity button{width:38px;height:38px;border:none;background:transparent;font-size:1.1rem;color:var(--text-dark);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}
.quantity button:hover{background:var(--blue-light);color:var(--blue)}
.quantity input{width:48px;height:38px;border:none;border-left:1px solid #e0e4e8;border-right:1px solid #e0e4e8;text-align:center;font-size:.95rem;font-family:var(--font);font-weight:500;outline:none}
.quantity input::-webkit-outer-spin-button,.quantity input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}

/* Payment radio grid */
.pay-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.pay-option input{display:none}
.pay-option label{display:flex;align-items:center;gap:6px;padding:8px 12px;border:2px solid #e0e4e8;border-radius:var(--radius);cursor:pointer;font-size:.85rem;font-weight:500;transition:all .2s}
.pay-option label:hover{border-color:var(--blue)}
.pay-option input:checked+label{border-color:var(--blue-link);background:#f0f7fc;color:var(--blue-link)}
.pay-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}

/* ---- 8. Cards ---- */
.card{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow-sm);border:1px solid #e8ecf1;transition:all .2s}

/* Product card */
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.product-card{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;border:1px solid #e8ecf1;transition:all .25s;display:flex;flex-direction:column;text-decoration:none;color:inherit}
.product-card:hover{border-color:var(--blue);box-shadow:var(--shadow-md);text-decoration:none;transform:translateY(-2px)}
.product-card-img{height:160px;background:var(--blue-light);display:flex;align-items:center;justify-content:center;overflow:hidden}
.product-card-img img{max-width:70%;max-height:70%;object-fit:contain}
.bird-icon{width:52px;height:52px;border-radius:50%;background:rgba(29,161,242,0.15);display:flex;align-items:center;justify-content:center;color:var(--blue)}
.product-card-body{flex:1;display:flex;flex-direction:column;padding:14px 16px}
.product-name{font-size:.95rem;font-weight:400;color:var(--navy);margin:0 0 6px;line-height:1.4}
.product-card-meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:8px}
.product-price{font-size:1.25rem;font-weight:400;color:#c53030}
.product-stock{font-size:.72rem;font-weight:400;color:#5a6470;background:#e5e7eb;padding:3px 10px;border-radius:12px}
.product-card.sold-out{opacity:.55;cursor:default;pointer-events:none}

@media(max-width:1024px){.product-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:768px){.product-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .product-card-img{height:130px}.product-card-body{padding:14px}.product-name{font-size:.85rem}}
@media(max-width:480px){.product-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .product-card-img{height:110px}
  .product-card-body{padding:10px 12px 12px}
  .product-name{font-size:.78rem;margin:0 0 4px}
  .product-price{font-size:1.05rem}
  .product-stock{font-size:.65rem;padding:2px 8px}
  .product-card-meta{padding-top:4px}}

/* Article card */
.article-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.article-card{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;transition:box-shadow .25s}
.article-card:hover{box-shadow:var(--shadow-md)}
.article-card-img{height:140px;display:flex;align-items:center;justify-content:center;background:var(--blue-light);font-size:2.2rem}
.article-icon{font-size:2.2rem}
.article-card-body{padding:18px}
.article-card-date{font-size:.72rem;font-weight:400;color:var(--blue-link);margin-bottom:8px}
.article-card-body h3,.article-card-title{font-size:.95rem;font-weight:400;color:var(--navy);margin-bottom:8px;line-height:1.4}
.article-card-body p{font-size:.82rem;color:var(--text-muted);line-height:1.5}

@media(max-width:1024px){.article-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.article-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.article-grid{grid-template-columns:1fr}
  .article-card-img{height:100px}
  .article-card-body{padding:14px}
  .article-card-body h3,.article-card-title{font-size:.85rem}}

/* Search card */
.search-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.search-card{background:#f0f7fc;border-radius:var(--radius-lg);padding:32px 24px;box-shadow:var(--shadow-sm);border:1px solid #d5e8f5;text-align:center;display:flex;flex-direction:column;align-items:center;transition:all .25s}
.search-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.search-card-icon{width:64px;height:64px;border-radius:50%;background:#d5e8f5;display:flex;align-items:center;justify-content:center;margin-bottom:20px;color:var(--navy)}
.search-card-icon svg{width:28px;height:28px}
.search-card h3{font-size:1.05rem;font-weight:600;color:var(--navy);margin-bottom:8px}
.search-card p{font-size:.85rem;color:var(--text-muted);margin-bottom:16px}
.search-card .form-input,.search-card .btn{margin-top:8px}
@media(max-width:480px){.search-grid{grid-template-columns:1fr}}

/* Order card */
.order-card{background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:36px;border:1px solid #e5e7eb;max-width:700px;margin:0 auto}
@media(max-width:480px){.order-card{padding:20px 16px}}

/* Payment card (QR pay) */
.pay-card{background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:40px 36px;max-width:440px;margin:0 auto;text-align:center}
@media(max-width:480px){.pay-card{padding:28px 20px}}

/* Error card */
.error-card{background:linear-gradient(135deg,#e3f2fd 0%,#bbdefb 50%,#e8f5fd 100%);border-radius:20px;padding:56px 48px;text-align:center;box-shadow:0 2px 20px rgba(29,161,242,0.12);max-width:500px;margin:0 auto}
@media(max-width:480px){.error-card{padding:36px 24px}}

/* ---- 9. Section Layouts ---- */
section{padding:var(--section-gap) 0}
@media(max-width:768px){section{padding:32px 0}}
@media(max-width:480px){section{padding:24px 0}}

.section-heading{text-align:center;margin-bottom:32px}
.section-heading h2{font-size:1.05rem;font-weight:400;color:var(--blue-link);background:transparent;display:inline-block;padding:7px 28px;border-radius:50px;border:1.5px solid var(--blue-link);letter-spacing:0.02em}
.accent-bar{display:none}
@media(max-width:480px){
  .section-heading{margin-bottom:24px}
  .section-heading h2{font-size:.95rem;padding:7px 22px}
}

.page-heading{text-align:center;margin:32px 0 36px}
.page-heading h1{font-size:1.45rem;font-weight:400;letter-spacing:-0.02em;color:var(--navy);margin-bottom:12px}
.page-heading .accent-bar{margin:0 auto}
@media(max-width:480px){.page-heading h1{font-size:1.2rem}}

/* Hero */
.hero{padding:36px 0 24px}
.hero-card{max-width:960px;margin:0 auto;padding:48px 48px;background:#dce8f4;border-radius:20px;text-align:center;box-shadow:0 3px 24px rgba(29,161,242,0.10)}
.hero-card h1{font-size:clamp(1.15rem,2.2vw,1.65rem);font-weight:400;letter-spacing:-0.02em;color:var(--navy);margin-bottom:16px;line-height:1.5}
.hero-desc{font-size:.95rem;color:#4a6a8a;max-width:720px;margin:0 auto 28px;line-height:1.8}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:center}
@media(max-width:480px){
  .hero{padding:24px 0 16px}
  .hero-card{padding:28px 16px 24px}
  .hero-card h1{font-size:1rem;line-height:1.5}
  .hero-desc{font-size:.85rem;max-width:100%}
  .hero-desc{font-size:.92rem}
  .hero-actions .btn{width:100%;text-align:center;justify-content:center}
}

/* Breadcrumb */
.breadcrumb-wrap{background:#f0f7fc;padding:16px 0}
.breadcrumb{display:flex;align-items:center;gap:6px;font-size:.82rem;color:#5a6a7a;flex-wrap:wrap}
.breadcrumb a{color:#5a6a7a;text-decoration:none}
.breadcrumb a:hover{color:var(--blue-link)}
.breadcrumb .sep{color:#8a95a3}
.breadcrumb .current{color:#4b5563}

/* ---- 10. Component Patterns ---- */

/* Status badge */
.status-badge{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:50px;font-size:.82rem;font-weight:600;color:#fff}
.status-badge.paid,.status-badge.success{background:#047857}
.status-badge.pending{background:#b45309}
.status-badge.expired{background:#6b7280}

/* Info strip */
.info-strip{margin-top:40px;padding:24px 28px;background:#fafbfc;border-radius:var(--radius);border:1px solid #edf0f4;display:flex;gap:16px;align-items:flex-start}
.info-strip-icon{width:40px;height:40px;border-radius:50%;background:var(--blue-light);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--blue)}
.info-strip-icon svg{width:20px;height:20px}
.info-strip h3{font-size:.95rem;font-weight:600;color:var(--navy);margin-bottom:4px}
.info-strip p{font-size:.85rem;color:var(--text-muted)}

/* Carmi / code block */
.carmi-box{background:var(--blue-light);border-radius:var(--radius-sm);padding:20px;border:1px solid #d1e8fa;margin:16px 0}
.carmi-code{font-family:var(--font-mono);font-size:.9rem;line-height:1.8;color:var(--navy);white-space:pre-wrap;word-break:break-all}
.carmi-actions{display:flex;align-items:center;gap:8px;margin-top:12px}
.copy-btn{display:inline-flex;align-items:center;gap:6px;padding:7px 16px;border-radius:50px;font-size:.82rem;font-weight:500;border:1.5px solid var(--blue-link);color:var(--blue-link);background:transparent;cursor:pointer;font-family:var(--font);transition:all .2s}
.copy-btn:hover{background:var(--blue-light)}
.copy-toast{font-size:.78rem;color:#10b981;font-weight:600;opacity:0;transition:opacity .3s}
.copy-toast.show{opacity:1}

/* FAQ */
.faq-item{border:1px solid #dbeafe;border-radius:var(--radius);background:var(--white);margin-bottom:10px}
.faq-item[open]{border-left:3px solid var(--blue)}
.faq-item summary{padding:18px 20px;font-size:.95rem;font-weight:400;color:var(--navy);cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:1.3rem;color:var(--blue);font-weight:300;transition:transform .3s}
.faq-item[open] summary::after{content:"−"}
.faq-answer{padding:0 20px 18px;font-size:.9rem;color:var(--text-muted);line-height:1.7}
.faq-list{max-width:760px;margin:0 auto}

/* Guide Box (announcement table) */
.guide-divider{max-width:1200px;margin:0 auto;padding:0 24px}
.guide-divider hr{border:none;border-top:1px solid #e8ecf1;margin:0}
.guide-box{max-width:860px;margin:0 auto;background:#fafbfc;border-radius:var(--radius);border:1px solid #d5dde5;padding:36px 40px;box-shadow:var(--shadow-sm)}
.guide-row{display:flex;align-items:flex-start;gap:16px;padding:16px 0;border-bottom:1px solid #edf0f4}
.guide-row:last-child{border-bottom:none}
.guide-row-tag{flex-shrink:0;min-width:88px;font-size:.8rem;font-weight:600;color:var(--navy);background:#eaf3fa;padding:4px 10px;border-radius:4px;text-align:center}
.guide-row-tag.recommend{background:var(--blue);color:#fff}
.guide-row-content{flex:1}
.guide-row-content strong{color:var(--navy);font-size:.95rem}
.guide-row-content span{color:#5e6f82;font-size:.9rem}
.guide-row-price{flex-shrink:0;font-size:1rem;font-weight:600;color:var(--blue);white-space:nowrap}
.guide-meta{margin-top:20px;padding-top:16px;border-top:1px solid #e8ecf1;font-size:.78rem;color:#a0aab4}
@media(max-width:480px){
  .guide-box{padding:20px 16px}
  .guide-row{flex-wrap:wrap;gap:8px;padding:12px 0}
  .guide-row-tag{min-width:auto;font-size:.72rem;padding:2px 8px}
  .guide-row-price{font-size:.9rem}
  .guide-row-content{flex-basis:100%;order:3}
  .guide-row-content span{font-size:.82rem}
  .guide-meta{font-size:.72rem;margin-top:12px;padding-top:12px}
}

/* Trust cards */
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.trust-card{background:var(--white);border:1px solid #dbeafe;border-radius:var(--radius-lg);padding:32px 28px;transition:all .25s;box-shadow:var(--shadow-sm)}
.trust-card:hover{border-color:var(--blue);box-shadow:var(--shadow)}
.trust-card-icon{width:44px;height:44px;border-radius:50%;background:var(--blue-light);display:flex;align-items:center;justify-content:center;color:var(--blue);margin-bottom:18px}
.trust-card-icon svg{width:22px;height:22px}
.trust-card h3{font-size:1.05rem;font-weight:400;color:var(--navy);margin-bottom:10px}
.trust-card p{font-size:.9rem;color:var(--text-muted);line-height:1.6}
@media(max-width:768px){.trust-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.trust-grid{grid-template-columns:1fr}.trust-card{padding:24px 20px}.trust-card h3{font-size:.95rem}}

/* Steps */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;list-style:none;padding:0;margin:0}
.step-card{text-align:center}
.step-circle{display:flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:50%;margin:0 auto 18px;background:var(--blue);color:var(--white);font-size:1.2rem;font-weight:400}
.step-card h3{font-size:1rem;font-weight:400;color:var(--navy);margin-bottom:8px}
.step-card p{font-size:.85rem;color:var(--text-muted)}
@media(max-width:768px){.steps-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.steps-grid{grid-template-columns:1fr}.step-circle{width:40px;height:40px;font-size:1rem;margin-bottom:12px}.step-card h3{font-size:.9rem}.step-card p{font-size:.8rem}}

/* Testimonials */
.testimonial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testimonial-card{background:var(--white);border-radius:var(--radius-lg);padding:28px;border:1px solid #e5e7eb;box-shadow:var(--shadow-sm);transition:box-shadow .25s}
.testimonial-card:hover{box-shadow:var(--shadow)}
.testimonial-text{font-size:.92rem;color:#4b5563;line-height:1.7;margin-bottom:18px}
.testimonial-author{display:flex;align-items:center;gap:10px}
.testimonial-avatar{width:40px;height:40px;border-radius:50%;background:var(--blue);display:flex;align-items:center;justify-content:center;font-weight:400;font-size:.85rem;color:white}
.testimonial-info .name{font-weight:400;font-size:.9rem;color:var(--navy)}
.testimonial-info .role{font-size:.78rem;color:var(--text-muted)}
@media(max-width:768px){.testimonial-grid{grid-template-columns:1fr}}
@media(max-width:480px){.testimonial-card{padding:20px}.testimonial-text{font-size:.85rem}}

/* nav-btn */
.nav-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:var(--radius-sm);font-size:.875rem;font-weight:500;text-decoration:none;border:1.5px solid #d1d5db;color:#4b5563;background:transparent;transition:all .2s;cursor:pointer}
.nav-btn:hover{border-color:var(--blue);color:var(--blue)}
.faq-answer{padding:0 20px 18px;font-size:.9rem;color:var(--text-muted);line-height:1.7}

/* TOC (Table of Contents) for article detail */
.article-detail{display:grid;grid-template-columns:220px 1fr;gap:36px;align-items:start}
.article-meta{font-size:.82rem;color:#6b7280;margin-bottom:4px}

/* Desktop TOC (sticky sidebar) */
.toc-desktop{position:sticky;top:80px;padding-top:48px}
.toc-desktop .toc-title{font-size:.85rem;font-weight:600;color:var(--navy);margin-bottom:10px}
.toc-desktop .toc-list{list-style:none;border-left:2px solid #e5e7eb}
.toc-desktop .toc-list li{margin-bottom:4px}
.toc-desktop .toc-list a{display:block;padding:4px 12px;font-size:.82rem;color:var(--text-muted);border-left:2px solid transparent;margin-left:-2px;transition:all .2s;text-decoration:none}
.toc-desktop .toc-list a:hover,.toc-desktop .toc-list a.active{color:var(--blue);border-left-color:var(--blue)}
.toc-desktop .toc-list a.toc-h3{padding-left:24px;font-size:.78rem}

/* Mobile TOC (collapsed details after H1) */
.toc-mobile{display:none;margin-bottom:20px;border:1px solid #e8ecf1;border-radius:var(--radius)}
.toc-mobile summary{padding:10px 16px;font-size:.9rem;font-weight:500;color:var(--navy);cursor:pointer;list-style:none}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile summary::after{content:"▾";float:right;font-size:1.1rem;color:var(--text-muted)}
.toc-mobile .toc-list-mobile{list-style:none;padding:0 16px 12px;border-top:1px solid #e8ecf1}
.toc-mobile .toc-list-mobile li{margin-top:6px}
.toc-mobile .toc-list-mobile a{font-size:.85rem;color:#4b5563;text-decoration:none}
.toc-mobile .toc-list-mobile a.toc-h3{padding-left:12px;font-size:.8rem}

/* Pagination */
.pagination-btn{display:inline-flex;padding:8px 20px;border:1px solid var(--blue-link);border-radius:50px;color:var(--blue-link);font-size:.88rem;text-decoration:none;transition:all .2s}
.pagination-btn:hover{background:var(--blue-light)}
.pagination-btn.disabled{border-color:#e0e4e8;color:#b0b8c1;cursor:default;pointer-events:none}
.pagination-info{font-size:.88rem;color:var(--text-muted)}

@media(max-width:1024px){
  .article-detail{grid-template-columns:1fr;gap:20px}
  .toc-desktop{display:none}
  .toc-mobile{display:block;margin-bottom:16px}
}

/* ---- 11. Order Table ---- */
.order-table{width:100%;border-collapse:collapse}
.order-table tr{border-bottom:1px solid #f0f2f5}
.order-table td{padding:12px 0;vertical-align:top}
.order-table .t-label{color:var(--text-muted);white-space:nowrap;padding-right:28px;min-width:90px;font-size:.9rem}
.order-table .t-value{color:var(--text-dark);font-weight:500;font-size:.92rem}
.order-table .t-total{font-size:1.5rem;font-weight:800;color:var(--blue)}
.order-table .t-sn{font-family:var(--font-mono);background:#f5f7fa;border-radius:4px;padding:3px 8px;font-size:.85rem}
.order-table .t-discount{color:#22c55e}

.mobile-stacked{display:none}
@media(max-width:480px){
  .order-table{display:none}
  .mobile-stacked{display:block}
  .stacked-row{margin-bottom:12px;display:flex;flex-direction:column}
  .stacked-label{font-size:.8rem;color:var(--text-muted);margin-bottom:2px}
  .stacked-value{font-size:.95rem;font-weight:500}
  .stacked-sn{font-family:var(--font-mono);background:#f5f7fa;border-radius:4px;padding:3px 8px;font-size:.85rem;display:inline-block}
  .stacked-total{font-size:1.3rem;font-weight:800;color:var(--blue)}
}

/* ---- 12. Purchase Layout (buy page) ---- */
.purchase-layout{display:flex;gap:28px;align-items:flex-start}
.purchase-gallery{flex:0 0 30%;display:flex;align-items:center;justify-content:center;padding:40px 0 24px}
.purchase-gallery img{max-width:75%;border-radius:var(--radius);cursor:pointer;display:block}
.purchase-form-col{flex:1;min-width:0}
.purchase-form-col>*+*{margin-top:12px}
.purchase-form-col h1,.purchase-h1{font-size:1.2rem;font-weight:600;color:var(--navy);line-height:1.4;margin:0}
.price-qty-row{display:flex;align-items:center;gap:20px}
.price-qty-row>div:first-child{margin-right:auto}
.price-qty-row .form-group{flex-shrink:0}

@media(max-width:768px){
  .purchase-layout{flex-direction:column;gap:20px}
  .purchase-gallery{flex:0 0 auto;max-width:200px;margin:0 auto;padding:8px 0}
  .purchase-gallery img{max-width:120px}
}

.product-meta-bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.unit-price{font-size:1.6rem;font-weight:800;color:var(--blue-link)}

/* ---- 13. Article Content Typography ---- */
.article-content{font-size:1rem;line-height:1.85;color:#374151;word-wrap:break-word;overflow-wrap:break-word}
.article-content img{max-width:100%;height:auto;border-radius:var(--radius-sm);margin:16px 0}
.article-content p{margin-bottom:1.15em}
.article-content h2{font-size:1.4rem;margin:1.8em 0 .6em;padding-bottom:.4em;border-bottom:1px solid #e5e7eb}
.article-content h3{font-size:1.15rem;margin:1.5em 0 .5em}
.article-content h4{font-size:1.05rem;margin:1.2em 0 .4em}
.article-content a{color:var(--blue-link)}
.article-content ul,.article-content ol{padding-left:1.5em;margin-bottom:1em}
.article-content blockquote{border-left:3px solid var(--blue);padding:8px 16px;margin:16px 0;background:var(--blue-light);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--navy)}
.article-content pre{background:#f5f7fa;border-radius:var(--radius-sm);padding:16px;overflow-x:auto;font-size:.9em}
.article-content code{background:#f5f7fa;border-radius:3px;padding:2px 6px;font-size:.9em;font-family:var(--font-mono)}
.article-content pre code{padding:0;background:none}

/* ---- 14. QR Pay Specific ---- */
.qr-img{margin:24px auto;display:block;max-width:260px;border:2px solid var(--blue);border-radius:8px;padding:8px}
.qr-amount{font-size:2.2rem;font-weight:800;color:var(--blue);margin:12px 0}
.qr-instruction{font-size:.9rem;color:var(--text-muted);margin-bottom:20px}
.qr-countdown{font-size:.85rem;color:#f59e0b}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}
.qr-countdown .pulse{animation:pulse 1.5s infinite}
.wechat-warning{display:none;background:#fff7ed;border:1px solid #fed7aa;border-radius:var(--radius);padding:24px;margin-bottom:24px;text-align:left}
.wechat-warning h3{color:#92400e;font-size:1rem;margin-bottom:8px}
.wechat-warning p{color:#a16207;font-size:.85rem}

/* ---- 15. 2FA / TOTP Tool ---- */
.twofa-tool{background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:36px;border:1px solid #e5e7eb;max-width:580px;margin:0 auto;display:flex;flex-direction:column;align-items:center;gap:24px}
.twofa-input-wrap{width:100%;position:relative}
.twofa-input-wrap .form-input{padding-right:48px;font-family:var(--font-mono);font-size:.95rem;text-align:center;letter-spacing:0.05em}
.twofa-input-clear{position:absolute;right:8px;top:50%;transform:translateY(-50%);width:32px;height:32px;border-radius:50%;border:none;background:transparent;color:var(--text-muted);cursor:pointer;font-size:1.2rem;display:flex;align-items:center;justify-content:center;transition:all .2s}
.twofa-input-clear:hover{background:#f3f4f6;color:var(--text-dark)}

.twofa-code-wrap{display:flex;align-items:center;gap:14px}
.twofa-code{font-size:3rem;font-weight:800;font-family:var(--font-mono);letter-spacing:0.15em;color:var(--navy);line-height:1;user-select:all}
.twofa-copy-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:50px;font-size:.82rem;font-weight:500;border:1.5px solid var(--blue-link);color:var(--blue-link);background:transparent;cursor:pointer;font-family:var(--font);transition:all .2s}
.twofa-copy-btn:hover{background:var(--blue-light)}

.twofa-timer{display:flex;align-items:center;gap:8px}
.twofa-timer-ring{position:relative;width:48px;height:48px}
.twofa-timer-ring svg{transform:rotate(-90deg);width:48px;height:48px}
.twofa-timer-ring circle{fill:none;stroke-width:3}
.twofa-timer-ring .bg{stroke:#e5e7eb}
.twofa-timer-ring .fg{stroke:var(--blue);stroke-linecap:round;transition:stroke-dashoffset 1s linear}
.twofa-timer-text{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:700;font-family:var(--font-mono);color:var(--navy)}
.twofa-timer-label{font-size:.85rem;color:var(--text-muted)}

.twofa-qrcode{text-align:center}
.twofa-qrcode svg{display:block;margin:0 auto;max-width:200px;height:auto}
.twofa-qrcode-label{font-size:.78rem;color:var(--text-muted);margin-top:10px}

.twofa-notice{background:#fff8e1;border:1px solid #ffe082;border-radius:var(--radius);padding:16px 20px;margin-bottom:24px;font-size:.88rem;color:#8d6e00;line-height:1.6;max-width:580px;margin-left:auto;margin-right:auto}
.twofa-security-note{background:#e3f2fd;border:1px solid #90caf9;border-radius:var(--radius);padding:14px 18px;margin-bottom:24px;font-size:.82rem;color:#1565c0;line-height:1.5;max-width:580px;margin-left:auto;margin-right:auto;display:flex;align-items:flex-start;gap:10px}
.twofa-security-note svg{flex-shrink:0;margin-top:2px}

.twofa-seo{font-size:1rem;line-height:1.85;color:#374151}
.twofa-seo h2{font-size:1.4rem;margin:1.8em 0 .6em;padding-bottom:.4em;border-bottom:1px solid #e5e7eb;color:var(--navy)}
.twofa-seo h3{font-size:1.15rem;margin:1.5em 0 .5em;color:var(--navy)}
.twofa-seo p{margin-bottom:1.15em}
.twofa-seo ul,.twofa-seo ol{padding-left:1.5em;margin-bottom:1em}
.twofa-seo a{color:var(--blue-link)}

.twofa-error{color:#ef4444;font-size:.82rem;margin-top:4px;min-height:1.2em;text-align:center}

/* Recommend card (compact, title-only) */
.rec-title{font-size:.92rem;font-weight:400;color:var(--navy);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

@media(max-width:480px){
  .twofa-tool{padding:24px 16px;gap:18px;border-radius:var(--radius)}
  .twofa-code{font-size:2.2rem;letter-spacing:0.12em}
  .twofa-code-wrap{gap:10px}
  .twofa-copy-btn{font-size:.78rem;padding:6px 12px}
  .twofa-input-wrap .form-input{font-size:.85rem}
  .twofa-timer-ring{width:40px;height:40px}
  .twofa-timer-ring svg{width:40px;height:40px}
  .twofa-timer-text{font-size:.75rem}
}

/* ---- 16. Misc Utilities ---- */
.text-center{text-align:center}
.text-muted{color:var(--text-muted)}
.mt-0{margin-top:0}.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mt-32{margin-top:32px}.mt-40{margin-top:40px}
.mb-8{margin-bottom:8px}.mb-16{margin-bottom:16px}.mb-24{margin-bottom:24px}.mb-32{margin-bottom:32px}.mb-40{margin-bottom:40px}
.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.gap-8{gap:8px}.gap-16{gap:16px}.gap-24{gap:24px}
.w-full{width:100%}
.sect-light{background:var(--blue-light)}
.sect-white{background:var(--white)}

/* Empty state */
.empty-state{text-align:center;padding:80px 20px;color:var(--text-muted)}
.empty-state svg{width:64px;height:64px;color:#d1d5db;margin-bottom:16px}
.empty-state p{font-size:1rem;margin-bottom:8px}
.empty-state .sub{font-size:.85rem}

/* Notice / announcement */
.announcement-card{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:24px 28px;margin-bottom:24px}
.announcement-card h2{font-size:1.1rem;font-weight:400;color:var(--navy);margin-bottom:12px}
.announcement-content{font-size:1rem;line-height:1.8;color:#374151}
.announcement-content img{max-width:100%;height:auto;border-radius:var(--radius-sm)}
.announcement-content a,.guide-box a{color:var(--blue-link)!important;text-decoration:underline!important}

/* Category group heading */
.category-heading{margin:40px 0 20px}
.category-heading:first-child{margin-top:16px}
.category-heading h2{font-size:1.2rem;font-weight:600;color:var(--white);background:var(--blue);display:inline-block;padding:6px 18px;border-radius:50px}