:root {
    --bg: #fafaf8;
    --surface: #ffffff;
    --border: #e8e8e4;
    --border-light: #f0f0ec;
    --text-primary: #0d0d0c;
    --text-secondary: #5c5c58;
    --text-muted: #a0a09a;
    --accent: #1a6b3c;
    --accent-light: #edf7f1;
    --accent-hover: #155730;
    --accent2: #2563eb;
    --radius: 14px;
    --radius-sm: 9px;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: "Geist", sans-serif;
    background: var(--bg);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
}

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(250, 250, 248, 0.92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    align-items: center;
    height: 62px;
    gap: 32px;
}

.nav-logo {
    font-size: 19px;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 7px;
    flex-shrink: 0;
}

.nav-logo-mark {
    width: 28px;
    height: 28px;
    background: var(--text-primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-logo-mark svg {
    width: 14px;
    height: 14px;
    fill: #fff;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2px;
    flex: 1;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    transition: all 0.15s;
    letter-spacing: -0.1px;
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--border-light);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
    flex-shrink: 0;
}

.btn-ghost {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    border: 1.5px solid var(--border);
    padding: 8px 18px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
    background: transparent;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    white-space: nowrap;
}

.btn-ghost:hover {
    border-color: var(--text-primary);
}

.btn-primary {
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    background: var(--text-primary);
    border: none;
    padding: 8px 18px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    white-space: nowrap;
}

.btn-primary:hover {
    background: #2a2a28;
}

.btn-accent {
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    background: var(--accent);
    border: none;
    padding: 9px 20px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.btn-accent:hover {
    background: var(--accent-hover);
}

.btn-outline {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    border: 1.5px solid var(--border);
    padding: 9px 20px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: var(--surface);
}

.btn-outline:hover {
    border-color: var(--text-primary);
}

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    background: transparent;
    cursor: pointer;
    margin-left: auto;
    flex-shrink: 0;
    transition: all 0.15s;
}

.hamburger:hover {
    border-color: var(--text-primary);
}

.hamburger span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.25s ease;
    transform-origin: center;
}

.hamburger.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.hamburger.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 62px;
    left: 0;
    right: 0;
    background: rgba(250, 250, 248, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 99;
    padding: 16px 24px 24px;
    flex-direction: column;
    gap: 4px;
    box-shadow: var(--shadow-md);
}

.mobile-menu.open {
    display: flex;
}

.mobile-menu .nav-link {
    font-size: 15px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    display: block;
}

.mobile-menu-divider {
    height: 1px;
    background: var(--border);
    margin: 12px 0;
}

.mobile-menu-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 0 0px;
}

.mobile-menu-actions .btn-ghost,
.mobile-menu-actions .btn-primary {
    justify-content: center;
    padding: 11px 20px;
    font-size: 15px;
}

.breadcrumb {
    max-width: 1140px;
    margin: 0 auto;
    padding: 86px 32px 0;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
}

.breadcrumb a {
    color: var(--text-muted);
    text-decoration: none;
}

.breadcrumb a:hover {
    color: var(--text-primary);
}

.breadcrumb-sep {
    color: var(--border);
}

.detail-layout {
    max-width: 1140px;
    margin: 0 auto;
    padding: 24px 32px 80px;
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 32px;
    align-items: start;
}

@media (max-width: 900px) {
    .detail-layout {
        grid-template-columns: 1fr;
    }
}

/* MAIN CONTENT */
.detail-badge-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}

.detail-badge {
    font-size: 12px;
    font-weight: 700;
    padding: 4px 11px;
    border-radius: 20px;
}

.badge-special {
    background: #fef3c7;
    color: #92400e;
}

.badge-hot {
    background: #fee2e2;
    color: #991b1b;
}

.badge-category {
    background: var(--bg);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.detail-title {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.6px;
    margin-bottom: 10px;
    line-height: 1.2;
}

.detail-meta-row {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.detail-meta-item {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 13px;
    color: var(--text-secondary);
}

.detail-meta-item i {
    font-size: 12px;
    color: var(--text-muted);
}

.detail-price-big {
    font-size: 32px;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -1px;
}

.detail-price-note {
    font-size: 13px;
    color: var(--text-muted);
    margin-left: 6px;
    font-weight: 400;
}

.detail-section {
    margin-bottom: 28px;
}

.detail-section-title {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.2px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.detail-section-title i {
    color: var(--accent);
    font-size: 14px;
}

.detail-body {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.includes-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.include-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    padding: 8px 12px;
    background: var(--bg);
    border-radius: 8px;
    border: 1px solid var(--border);
}

.include-item i {
    color: var(--accent);
    font-size: 12px;
    flex-shrink: 0;
}

.divider {
    height: 1px;
    background: var(--border);
    margin: 28px 0;
}

/* BIZ CARD (inline) */
.biz-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
    transition: all 0.15s;
}

.biz-card:hover {
    border-color: var(--accent);
    background: var(--accent-light);
}

.biz-card-avatar {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    font-weight: 800;
    color: #fff;
    flex-shrink: 0;
}

.biz-card-name {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 3px;
}

.biz-card-meta {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
}

.biz-card-arrow {
    margin-left: auto;
    color: var(--text-muted);
    font-size: 13px;
}

/* SIDEBAR */
.sidebar-sticky {
    position: sticky;
    top: 88px;
}

.action-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow-md);
    margin-bottom: 16px;
}

.action-price {
    font-size: 34px;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -1px;
    margin-bottom: 4px;
}

.action-price-note {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.btn-action-primary {
    width: 100%;
    padding: 13px;
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    background: var(--accent);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
    margin-bottom: 10px;
}

.btn-action-primary:hover {
    background: var(--accent-hover);
}

.btn-action-outline {
    width: 100%;
    padding: 11px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    background: transparent;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    text-decoration: none;
    margin-bottom: 10px;
}

.btn-action-outline:hover {
    border-color: var(--text-primary);
}

.action-guarantee {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.5;
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
}

.action-guarantee i {
    color: var(--accent);
    font-size: 13px;
    flex-shrink: 0;
    margin-top: 1px;
}

.sidebar-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 16px;
}

.sidebar-card-title {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 14px;
}

.info-row {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 13px;
}

.info-row:last-child {
    margin-bottom: 0;
}

.info-icon {
    width: 28px;
    height: 28px;
    border-radius: 7px;
    background: var(--bg);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 11px;
    flex-shrink: 0;
}

.info-label {
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 1px;
}

.info-val {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

/* MORE OFFERS */
.more-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 24px;
}

.mini-offer {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px;
    display: flex;
    gap: 12px;
    text-decoration: none;
    transition: all 0.15s;
}

.mini-offer:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow);
}

.mini-avatar {
    width: 36px;
    height: 36px;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 800;
    color: #fff;
    flex-shrink: 0;
}

.mini-name {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.mini-desc {
    font-size: 12px;
    color: var(--text-muted);
}

.mini-price {
    margin-left: auto;
    font-size: 14px;
    font-weight: 800;
    color: var(--accent);
    flex-shrink: 0;
}

footer {
    background: var(--text-primary);
    color: #fff;
    padding: 48px 0 24px;
}

.footer-inner {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 48px;
}

@media (max-width: 900px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 600px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

.footer-brand-logo {
    font-size: 22px;
    font-weight: 800;
    color: #fff;
    text-decoration: none;
    display: block;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.footer-brand-desc {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.6;
    margin-bottom: 20px;
}

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

.footer-social {
    width: 32px;
    height: 32px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 13px;
    text-decoration: none;
    transition: all 0.15s;
}

.footer-social:hover {
    border-color: rgba(255, 255, 255, 0.4);
    color: #fff;
}

.footer-col-title {
    font-size: 11px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.4);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 14px;
}

.footer-link {
    display: block;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.55);
    text-decoration: none;
    margin-bottom: 9px;
    transition: color 0.15s;
}

.footer-link:hover {
    color: #fff;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-copy {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.3);
}

.footer-legal {
    display: flex;
    gap: 16px;
}

.footer-legal a {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.3);
    text-decoration: none;
}

.footer-legal a:hover {
    color: rgba(255, 255, 255, 0.6);
}

@media (max-width: 640px) {
    .nav-links {
        display: none;
    }

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

@media (max-width: 1100px) {
    .detail-layout {
        grid-template-columns: 1fr 300px;
        gap: 24px;
    }
}

@media (max-width: 900px) {
    .detail-layout {
        grid-template-columns: 1fr;
        padding: 20px 20px 60px;
    }

    .breadcrumb {
        padding: 86px 20px 0;
    }

    .sidebar-sticky {
        position: static;
    }

    .action-card {
        padding: 20px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 28px;
    }
}

@media (max-width: 640px) {
    .nav-links {
        display: none;
    }

    .nav-actions {
        display: none;
    }

    .hamburger {
        display: flex;
    }

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

    .detail-title {
        font-size: 22px;
    }

    .detail-badge-row {
        flex-wrap: wrap;
    }

    .detail-meta-row {
        gap: 10px;
    }

    .nav-inner {
        padding: 0 12px;
    }

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

    .more-grid {
        gap: 8px;
    }

    .mini-offer {
        padding: 12px;
    }
}

@media (max-width: 400px) {
    .breadcrumb {
        padding: 80px 12px 0;
        font-size: 12px;
        flex-wrap: wrap;
    }

    .detail-layout {
        padding: 16px 8px 40px;
    }
}