/* roulang page: index */
/* ============ Design Tokens ============ */
        :root {
            --color-bg: #14100F;
            --color-bg-soft: #F5F0EA;
            --color-surface: #FCFAF7;
            --color-surface-deep: #221B19;
            --color-primary: #6A1F34;
            --color-primary-hover: #8A2A44;
            --color-primary-active: #521625;
            --color-accent: #C99B4A;
            --color-accent-hover: #E0B565;
            --color-accent-active: #A87F36;
            --color-text: #241E1B;
            --color-text-invert: #F5EFE6;
            --color-muted: #80756D;
            --color-border: rgba(36, 30, 27, 0.12);
            --color-border-light: rgba(245, 239, 230, 0.16);
            --color-success: #4A7C59;
            --color-warning: #C96F4A;
            --color-error: #B23A3A;
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 6px;
            --radius-pill: 999px;
            --shadow-card: 0 2px 8px rgba(36, 30, 27, 0.06), 0 12px 32px rgba(36, 30, 27, 0.08);
            --shadow-card-hover: 0 8px 28px rgba(106, 31, 52, 0.16);
            --shadow-dark: 0 4px 20px rgba(0, 0, 0, 0.35);
            --shadow-gold: 0 4px 16px rgba(201, 155, 74, 0.35);
            --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-serif: "Noto Serif SC", "Source Han Serif SC", serif;
            --container: 1200px;
            --gutter: 24px;
            --section-pad: 72px;
            --transition: 0.3s cubic-bezier(0.22, 1, 0.36, 1);
        }

        /* ============ Reset & Base ============ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background: var(--color-bg-soft);
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s;
        }

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4 {
            font-family: var(--font-serif);
            line-height: 1.3;
            font-weight: 700;
        }

        ::selection {
            background: rgba(201, 155, 74, 0.3);
            color: var(--color-primary);
        }

        /* ============ Layout ============ */
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 var(--gutter);
        }

        section {
            padding: var(--section-pad) 0;
        }

        /* ============ Buttons ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all 0.25s;
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, #C99B4A, #E0B565);
            color: #1A120C;
            box-shadow: 0 2px 8px rgba(201, 155, 74, 0.2);
        }
        .btn-primary:hover {
            filter: brightness(1.05);
            box-shadow: var(--shadow-gold);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }
        .btn-primary .arrow {
            transition: transform 0.25s;
        }
        .btn-primary:hover .arrow {
            transform: translateX(3px);
        }

        .btn-outline {
            background: transparent;
            border-color: var(--color-accent);
            color: var(--color-accent);
        }
        .btn-outline:hover {
            background: var(--color-accent);
            color: #1A120C;
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
        }
        .btn-outline:active {
            transform: translateY(1px);
        }

        .btn-outline-dark {
            background: transparent;
            border-color: var(--color-primary);
            color: var(--color-primary);
        }
        .btn-outline-dark:hover {
            background: var(--color-primary);
            color: var(--color-text-invert);
            transform: translateY(-2px);
        }

        .btn-full {
            width: 100%;
        }

        /* ============ Header / Nav ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(245, 240, 234, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            transition: background 0.3s, box-shadow 0.3s;
        }

        .site-header.scrolled {
            background: rgba(245, 240, 234, 0.95);
            box-shadow: 0 4px 20px rgba(36, 30, 27, 0.08);
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 76px;
            position: relative;
            gap: 20px;
        }

        .nav-left,
        .nav-right {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
        }

        .nav-right {
            justify-content: flex-end;
        }

        .nav-left .nav-link,
        .nav-right .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            position: relative;
            transition: color 0.25s;
        }

        .nav-left .nav-link::after,
        .nav-right .nav-link::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
            transition: width 0.3s;
        }

        .nav-left .nav-link:hover,
        .nav-right .nav-link:hover {
            color: var(--color-primary);
        }

        .nav-left .nav-link:hover::after,
        .nav-right .nav-link:hover::after {
            width: 24px;
        }

        .nav-left .nav-link.active,
        .nav-right .nav-link.active {
            color: var(--color-primary);
            font-weight: 600;
        }
        .nav-left .nav-link.active::after,
        .nav-right .nav-link.active::after {
            width: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 6px;
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: 0.02em;
            flex-shrink: 0;
            position: relative;
            z-index: 2;
        }

        .logo .logo-dot {
            width: 8px;
            height: 8px;
            background: var(--color-accent);
            border-radius: 50%;
            display: inline-block;
        }

        .logo .logo-gold {
            color: var(--color-accent);
        }

        .btn-nav {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            background: var(--color-primary);
            color: var(--color-accent);
            border-radius: var(--radius-md);
            font-size: 14px;
            font-weight: 600;
            transition: all 0.25s;
            margin-left: 8px;
        }

        .btn-nav:hover {
            background: var(--color-primary-hover);
            color: #fff;
            transform: translateY(-1px);
        }

        /* Mobile Menu */
        .mobile-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: transparent;
            padding: 10px;
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            z-index: 1001;
        }

        .mobile-toggle span {
            display: block;
            width: 100%;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: transform 0.3s, opacity 0.3s;
        }

        .mobile-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .mobile-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .mobile-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            background: var(--color-bg-soft);
            padding: 16px;
            border-top: 1px solid var(--color-border);
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

        .mobile-menu.open {
            max-height: 500px;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            font-size: 15px;
            color: var(--color-text);
            border-bottom: 1px solid var(--color-border);
        }
        .mobile-menu a:last-child {
            border-bottom: none;
        }
        .mobile-menu a:hover {
            color: var(--color-primary);
        }
        .mobile-menu .btn-nav {
            display: block;
            text-align: center;
            margin: 12px 16px 4px;
            padding: 12px;
        }

        /* ============ Hero ============ */
        .hero {
            position: relative;
            background: url('/assets/images/backpic/back-1.jpg') center center / cover no-repeat;
            background-color: var(--color-bg);
            min-height: 680px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(20, 16, 15, 0.94) 20%, rgba(20, 16, 15, 0.82) 55%, rgba(20, 16, 15, 0.65) 100%);
            z-index: 1;
        }

        .hero::after {
            content: "";
            position: absolute;
            top: -20%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(201, 155, 74, 0.1), transparent 60%);
            pointer-events: none;
            z-index: 0;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
            align-items: center;
            width: 100%;
            padding-top: 40px;
            padding-bottom: 40px;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(201, 155, 74, 0.14);
            border: 1px solid rgba(201, 155, 74, 0.5);
            color: var(--color-accent-hover);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 24px;
        }

        .hero-content h1 {
            font-size: clamp(28px, 4.2vw, 44px);
            font-weight: 800;
            line-height: 1.25;
            color: var(--color-text-invert);
            letter-spacing: 0.02em;
            margin-bottom: 20px;
        }

        .hero-content .hero-desc {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(245, 239, 230, 0.82);
            max-width: 540px;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 44px;
        }

        .hero-stats {
            display: flex;
            gap: 36px;
            flex-wrap: wrap;
        }

        .hstat {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .hstat .num {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1.1;
        }

        .hstat .label {
            font-size: 12px;
            color: rgba(245, 239, 230, 0.7);
            letter-spacing: 0.05em;
        }

        /* Hero Visual */
        .hero-visual {
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
        }

        .hero-card {
            position: relative;
            background: var(--color-surface-deep);
            border-radius: var(--radius-lg);
            padding: 10px;
            box-shadow: var(--shadow-dark), 0 0 0 1px rgba(201, 155, 74, 0.2);
            transform: rotate(2deg);
            max-width: 420px;
            width: 100%;
            transition: transform 0.3s;
        }

        .hero-card:hover {
            transform: rotate(0deg) scale(1.02);
        }

        .hero-card img {
            border-radius: calc(var(--radius-lg) - 6px);
            width: 100%;
            height: 280px;
            object-fit: cover;
        }

        .hero-badge {
            position: absolute;
            top: 18px;
            left: -16px;
            background: rgba(20, 16, 15, 0.88);
            border: 1px solid var(--color-accent);
            color: var(--color-accent-hover);
            padding: 8px 16px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            box-shadow: var(--shadow-dark);
        }

        .hero-badge .badge-icon {
            color: var(--color-accent);
            font-size: 16px;
        }

        /* Scroll Down */
        .scroll-down {
            position: absolute;
            bottom: 24px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 2;
            color: rgba(245, 239, 230, 0.5);
            font-size: 18px;
            animation: bounce 2s infinite;
        }

        @keyframes bounce {
            0%,
            20%,
            50%,
            80%,
            100% {
                transform: translate(-50%, 0);
            }
            40% {
                transform: translate(-50%, -10px);
            }
            60% {
                transform: translate(-50%, -5px);
            }
        }

        /* ============ Section Head ============ */
        .section-head {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-head h2 {
            font-size: clamp(24px, 3vw, 36px);
            color: var(--color-text);
            display: inline-flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
        }

        .accent-line {
            display: inline-block;
            width: 28px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 3px;
        }

        .section-sub {
            font-size: 14px;
            color: var(--color-muted);
            max-width: 600px;
            margin: 0 auto;
        }

        /* ============ Services ============ */
        .services {
            background: var(--color-bg-soft);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .service-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            position: relative;
            box-shadow: var(--shadow-card);
            transition: transform 0.3s, box-shadow 0.3s;
            overflow: hidden;
        }

        .service-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--color-accent);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.4s;
        }

        .service-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .service-card:hover::before {
            transform: scaleX(1);
        }

        .service-card .icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(106, 31, 52, 0.06);
            color: var(--color-primary);
            font-size: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            transition: background 0.3s, color 0.3s;
        }

        .service-card:hover .icon {
            background: var(--color-primary);
            color: var(--color-accent);
        }

        .service-card h3 {
            font-size: 18px;
            margin-bottom: 10px;
            color: var(--color-text);
        }

        .service-card p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.7;
            margin-bottom: 16px;
            min-height: 48px;
        }

        .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            border-bottom: 1px dashed var(--color-accent);
            padding-bottom: 2px;
            transition: color 0.25s;
        }

        .card-link:hover {
            color: var(--color-accent-active);
            border-bottom-style: solid;
        }

        /* ============ Stats ============ */
        .stats {
            background: var(--color-bg);
            position: relative;
            overflow: hidden;
        }

        .stats::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(201, 155, 74, 0.08), transparent 70%);
        }

        .stats-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .stats-left h2 {
            font-size: clamp(24px, 2.8vw, 34px);
            color: var(--color-text-invert);
            margin-bottom: 18px;
            position: relative;
        }

        .stats-left h2::before {
            content: "";
            display: block;
            width: 28px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 3px;
            margin-bottom: 14px;
        }

        .stats-left p {
            color: rgba(245, 239, 230, 0.7);
            font-size: 15px;
            line-height: 1.8;
            max-width: 520px;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .stat-item {
            background: var(--color-surface-deep);
            border: 1px solid rgba(201, 155, 74, 0.2);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: center;
            transition: background 0.3s;
        }

        .stat-item:hover {
            background: radial-gradient(circle, rgba(201, 155, 74, 0.15), transparent 70%), var(--color-surface-deep);
        }

        .stat-num {
            display: block;
            font-family: var(--font-serif);
            font-size: 38px;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1.2;
        }

        .stat-label {
            display: block;
            margin-top: 10px;
            padding-top: 10px;
            border-top: 1px solid rgba(201, 155, 74, 0.3);
            font-size: 13px;
            color: rgba(245, 239, 230, 0.75);
            letter-spacing: 0.03em;
        }

        /* ============ Cases ============ */
        .cases {
            background: var(--color-bg-soft);
        }

        .cases-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 28px;
            align-items: start;
        }

        .case-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform 0.35s, box-shadow 0.35s;
        }

        .case-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
        }

        .case-card-mid {
            margin-top: 40px;
        }

        .case-img {
            position: relative;
            height: 220px;
            overflow: hidden;
            background: var(--color-surface-deep);
        }

        .case-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s;
        }

        .case-card:hover .case-img img {
            transform: scale(1.05);
        }

        .case-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(20, 16, 15, 0.35));
        }

        .case-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-hover));
            color: #1A120C;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 700;
            z-index: 2;
            box-shadow: 0 2px 10px rgba(201, 155, 74, 0.4);
        }

        .case-body {
            padding: 22px 24px 26px;
        }

        .category-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-primary);
            background: rgba(106, 31, 52, 0.06);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            margin-bottom: 10px;
        }

        .case-body h3 {
            font-size: 20px;
            color: var(--color-text);
            margin-bottom: 10px;
        }

        .case-body p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 16px;
        }

        .case-body .view-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            border-bottom: 1px solid var(--color-accent);
            padding-bottom: 2px;
            transition: all 0.25s;
        }

        .case-body .view-link:hover {
            color: var(--color-accent-active);
            border-bottom-style: solid;
        }

        .cases-more {
            text-align: center;
            margin-top: 48px;
        }

        /* ============ Plans ============ */
        .plans {
            background: linear-gradient(135deg, #2B1216, #14100F);
            position: relative;
            overflow: hidden;
        }

        .plans::before {
            content: "";
            position: absolute;
            top: 10%;
            left: -10%;
            width: 300px;
            height: 300px;
            border: 1px solid rgba(201, 155, 74, 0.2);
            border-radius: 50%;
        }

        .plans::after {
            content: "";
            position: absolute;
            bottom: -20%;
            right: 5%;
            width: 200px;
            height: 200px;
            border: 1px solid rgba(201, 155, 74, 0.15);
            border-radius: 50%;
        }

        .plans-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 60px;
            align-items: start;
        }

        .plans-left h2 {
            font-size: clamp(24px, 2.8vw, 34px);
            color: var(--color-text-invert);
            margin-bottom: 18px;
            position: relative;
        }

        .plans-left h2::before {
            content: "";
            display: block;
            width: 28px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 3px;
            margin-bottom: 14px;
        }

        .plans-left p {
            color: rgba(245, 239, 230, 0.7);
            font-size: 15px;
            line-height: 1.75;
        }

        .plans-list {
            display: flex;
            flex-direction: column;
        }

        .plan-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 24px 16px;
            border-bottom: 1px solid rgba(201, 155, 74, 0.2);
            transition: background 0.25s, padding-left 0.25s;
            position: relative;
        }

        .plan-item:hover {
            padding-left: 20px;
            background: rgba(201, 155, 74, 0.05);
        }

        .plan-item:hover::before {
            content: "";
            position: absolute;
            left: 0;
            top: 12%;
            height: 76%;
            width: 2px;
            background: var(--color-accent);
        }

        .plan-num {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 800;
            color: var(--color-accent);
            min-width: 36px;
        }

        .plan-item h3 {
            font-size: 18px;
            color: var(--color-text-invert);
            margin-bottom: 4px;
        }

        .plan-item p {
            font-size: 13px;
            color: rgba(245, 239, 230, 0.6);
        }

        .plan-tag {
            margin-left: auto;
            flex-shrink: 0;
            background: rgba(201, 155, 74, 0.15);
            border: 1px solid rgba(201, 155, 74, 0.4);
            color: var(--color-accent-hover);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
        }

        .plans-cta {
            grid-column: 1 / -1;
            text-align: center;
            padding: 32px;
            background: rgba(201, 155, 74, 0.08);
            border: 1px solid rgba(201, 155, 74, 0.2);
            border-radius: var(--radius-lg);
            margin-top: 20px;
        }

        .plans-cta p {
            color: var(--color-text-invert);
            font-size: 16px;
            margin-bottom: 16px;
        }

        /* ============ FAQ ============ */
        .faq {
            background: var(--color-bg-soft);
        }

        .faq-inner {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 60px;
            align-items: start;
        }

        .faq-left h2 {
            font-size: clamp(24px, 2.8vw, 34px);
            color: var(--color-text);
            margin-bottom: 18px;
            position: relative;
        }

        .faq-left h2::before {
            content: "";
            display: block;
            width: 28px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 3px;
            margin-bottom: 14px;
        }

        .faq-left>p {
            color: var(--color-muted);
            font-size: 15px;
            line-height: 1.75;
            margin-bottom: 28px;
        }

        .faq-contact-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-card);
            border-top: 3px solid var(--color-accent);
        }

        .faq-contact-card span {
            display: block;
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            font-family: var(--font-serif);
            margin-bottom: 8px;
        }

        .faq-contact-card p {
            font-size: 14px;
            color: var(--color-muted);
            margin-bottom: 16px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }

        .faq-q {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            background: transparent;
            transition: background 0.25s;
            min-height: 56px;
        }

        .faq-q:hover {
            background: rgba(201, 155, 74, 0.05);
        }

        .faq-icon {
            position: relative;
            width: 18px;
            height: 18px;
            flex-shrink: 0;
        }

        .faq-icon::before,
        .faq-icon::after {
            content: "";
            position: absolute;
            background: var(--color-accent);
            border-radius: 2px;
            transition: transform 0.3s;
        }

        .faq-icon::before {
            top: 50%;
            left: 0;
            width: 18px;
            height: 2px;
            transform: translateY(-50%);
        }

        .faq-icon::after {
            top: 0;
            left: 50%;
            width: 2px;
            height: 18px;
            transform: translateX(-50%);
        }

        .faq-item.active .faq-icon::after {
            transform: translateX(-50%) rotate(90deg);
        }

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

        .faq-a p {
            padding: 0 24px 22px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--color-muted);
        }

        .faq-item.active .faq-a {
            max-height: 300px;
        }

        /* ============ Contact ============ */
        .contact {
            background: var(--color-surface);
        }

        .contact-card {
            background: var(--color-bg-soft);
            border-radius: 24px;
            padding: 0;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            position: relative;
        }

        .contact-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--color-accent);
        }

        .contact-info {
            padding: 48px 40px;
            background: var(--color-bg);
            color: var(--color-text-invert);
        }

        .contact-info h2 {
            font-size: clamp(22px, 2.5vw, 30px);
            color: var(--color-text-invert);
            margin-bottom: 24px;
            position: relative;
        }

        .contact-info h2::before {
            content: "";
            display: block;
            width: 28px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 3px;
            margin-bottom: 14px;
        }

        .contact-list {
            margin-bottom: 28px;
        }

        .contact-list li {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 10px 0;
            color: rgba(245, 239, 230, 0.8);
            font-size: 15px;
        }

        .c-icon {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: rgba(201, 155, 74, 0.15);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            flex-shrink: 0;
        }

        .privacy-note {
            font-size: 13px;
            color: rgba(245, 239, 230, 0.5);
            line-height: 1.7;
            border-left: 2px solid var(--color-accent);
            padding-left: 16px;
            margin-top: 20px;
        }

        .contact-form {
            padding: 48px 40px;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 8px;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            background: var(--color-surface);
            font-size: 15px;
            color: var(--color-text);
            transition: border-color 0.25s, box-shadow 0.25s;
            resize: vertical;
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: var(--color-muted);
            font-size: 14px;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(201, 155, 74, 0.2);
            outline: none;
        }

        .form-group input.error,
        .form-group textarea.error {
            border-color: var(--color-error);
        }

        .form-error {
            display: none;
            font-size: 12px;
            color: var(--color-error);
            margin-top: 6px;
        }

        .form-group.has-error .form-error {
            display: block;
        }

        .form-group.has-error input,
        .form-group.has-error textarea {
            border-color: var(--color-error);
        }

        .contact-form .btn-primary {
            width: 100%;
            margin-top: 8px;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--color-bg);
            color: rgba(245, 239, 230, 0.7);
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
            gap: 40px;
            padding-top: 60px;
            padding-bottom: 48px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 800;
            color: var(--color-text-invert);
            margin-bottom: 14px;
        }

        .footer-logo .logo-dot {
            width: 7px;
            height: 7px;
            background: var(--color-accent);
            border-radius: 50%;
            display: inline-block;
        }

        .footer-logo .logo-gold {
            color: var(--color-accent);
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(245, 239, 230, 0.6);
            line-height: 1.7;
            max-width: 300px;
            margin-bottom: 18px;
        }

        .social-links {
            display: flex;
            gap: 12px;
        }

        .social-link {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            border: 1px solid rgba(245, 239, 230, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: rgba(245, 239, 230, 0.6);
            transition: all 0.25s;
        }

        .social-link:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            transform: translateY(-2px);
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-accent);
            margin-bottom: 16px;
        }

        .footer-col ul li {
            margin-bottom: 10px;
            font-size: 14px;
        }

        .footer-col ul a {
            color: rgba(245, 239, 230, 0.6);
            transition: color 0.25s;
        }

        .footer-col ul a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(245, 239, 230, 0.1);
            padding: 18px 0;
        }

        .footer-bottom .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: rgba(245, 239, 230, 0.5);
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-bottom a {
            color: rgba(245, 239, 230, 0.6);
        }

        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        /* ============ Focus States ============ */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            box-shadow: 0 0 0 6px rgba(201, 155, 74, 0.2);
        }

        /* ============ Scrollbar ============ */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: transparent;
        }
        ::-webkit-scrollbar-thumb {
            background: var(--color-primary);
            border-radius: 8px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--color-primary-hover);
        }

        /* ============ Responsive ============ */
        @media (max-width: 1199px) {
            :root {
                --gutter: 20px;
            }

            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .service-card p {
                min-height: auto;
            }
        }

        @media (max-width: 991px) {
            :root {
                --section-pad: 56px;
            }

            .hero-inner {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .hero-visual {
                display: none;
            }

            .hero {
                min-height: 560px;
            }

            .stats-inner,
            .faq-inner,
            .plans-inner {
                grid-template-columns: 1fr;
                gap: 40px;
            }

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

            .cases-grid {
                grid-template-columns: 1fr;
                max-width: 520px;
                margin: 0 auto;
            }

            .case-card-mid {
                margin-top: 0;
            }

            .contact-card {
                grid-template-columns: 1fr;
            }

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

        @media (max-width: 767px) {
            :root {
                --section-pad: 48px;
                --gutter: 16px;
            }

            .nav-left,
            .nav-right {
                display: none;
            }

            .mobile-toggle {
                display: flex;
            }

            .nav-wrap {
                min-height: 64px;
                justify-content: center;
            }

            .logo {
                font-size: 20px;
            }

            .mobile-menu {
                display: block;
            }

            .hero {
                min-height: 600px;
            }

            .hero-inner {
                padding-top: 32px;
                padding-bottom: 24px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .hero-stats {
                gap: 20px;
                justify-content: space-between;
            }

            .hstat .num {
                font-size: 24px;
            }

            .hstat .label {
                font-size: 11px;
            }

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

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .stat-num {
                font-size: 28px;
            }

            .stat-item {
                padding: 20px 16px;
            }

            .cases-grid {
                max-width: 100%;
            }

            .plans-cta {
                padding: 24px;
            }

            .faq-inner {
                gap: 32px;
            }

            .faq-contact-card {
                padding: 20px;
            }

            .contact-info,
            .contact-form {
                padding: 32px 24px;
            }

            .contact-list li {
                font-size: 14px;
            }

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

            .footer-bottom .container {
                flex-direction: column;
                text-align: center;
                font-size: 12px;
            }

            .btn-nav {
                display: none;
            }

            .mobile-menu .btn-nav {
                display: block;
            }
        }

        @media (max-width: 520px) {
            .hero-stats {
                gap: 12px;
            }

            .hstat .num {
                font-size: 20px;
            }

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

            .footer-inner {
                grid-template-columns: 1fr;
                text-align: center;
            }

            .social-links {
                justify-content: center;
            }

            .footer-brand p {
                max-width: 100%;
            }
        }

/* roulang page: category1 */
/* ============ Design Tokens ============ */
:root {
    --color-bg: #14100F;
    --color-bg-soft: #F5F0EA;
    --color-surface: #FCFAF7;
    --color-surface-deep: #221B19;
    --color-primary: #6A1F34;
    --color-primary-hover: #8A2A44;
    --color-primary-active: #521625;
    --color-accent: #C99B4A;
    --color-accent-hover: #E0B565;
    --color-accent-active: #A87F36;
    --color-text: #241E1B;
    --color-text-invert: #F5EFE6;
    --color-muted: #80756D;
    --color-border: rgba(36, 30, 27, 0.12);
    --color-border-light: rgba(245, 239, 230, 0.16);
    --color-success: #4A7C59;
    --color-warning: #C96F4A;
    --color-error: #B23A3A;
    --radius-lg: 16px;
    --radius-md: 10px;
    --radius-sm: 6px;
    --radius-pill: 999px;
    --shadow-card: 0 2px 8px rgba(36, 30, 27, 0.06), 0 12px 32px rgba(36, 30, 27, 0.08);
    --shadow-card-hover: 0 8px 28px rgba(106, 31, 52, 0.16);
    --shadow-dark: 0 4px 20px rgba(0, 0, 0, 0.35);
    --shadow-gold: 0 4px 16px rgba(201, 155, 74, 0.35);
    --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    --font-serif: "Noto Serif SC", "Source Han Serif SC", serif;
    --container: 1200px;
    --gutter: 24px;
    --section-pad: 72px;
    --transition: 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}
/* ============ Reset & Base ============ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.8;
    color: var(--color-text);
    background: var(--color-bg-soft);
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.25s; }
button, input, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; background: none; }
button { cursor: pointer; }
ul, ol { list-style: none; }
h1, h2, h3, h4 { font-family: var(--font-serif); line-height: 1.3; }
/* ============ Layout ============ */
.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: var(--section-pad) 0; }
/* ============ Buttons ============ */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 24px; border-radius: var(--radius-md); font-weight: 600;
    font-size: 15px; line-height: 1.4; border: 1px solid transparent;
    cursor: pointer; transition: all 0.25s; text-align: center; white-space: nowrap;
}
.btn-primary {
    background: linear-gradient(135deg, #C99B4A, #E0B565);
    color: #1A120C; box-shadow: 0 2px 8px rgba(201, 155, 74, 0.2);
}
.btn-primary:hover { filter: brightness(1.05); box-shadow: var(--shadow-gold); transform: translateY(-2px); }
.btn-primary:active { transform: translateY(1px); box-shadow: none; }
.btn-primary .arrow { transition: transform 0.25s; }
.btn-primary:hover .arrow { transform: translateX(3px); }
.btn-outline-dark {
    background: transparent; border-color: var(--color-primary); color: var(--color-primary);
}
.btn-outline-dark:hover { background: var(--color-primary); color: var(--color-text-invert); transform: translateY(-2px); }
.btn-sm { padding: 8px 18px; font-size: 14px; border-radius: 8px; }
/* ============ Header / Nav ============ */
.site-header {
    position: sticky; top: 0; z-index: 1000;
    background: rgba(245, 240, 234, 0.85);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: background 0.3s, box-shadow 0.3s;
}
.site-header.scrolled {
    background: rgba(245, 240, 234, 0.95);
    box-shadow: 0 4px 20px rgba(36, 30, 27, 0.08);
}
.nav-wrap {
    display: flex; align-items: center; justify-content: center;
    min-height: 76px; position: relative; gap: 20px;
}
.nav-left, .nav-right {
    display: flex; align-items: center; gap: 28px; flex: 1;
}
.nav-left { justify-content: flex-start; }
.nav-right { justify-content: flex-end; }
.logo {
    font-family: var(--font-serif); font-size: 24px; font-weight: 800;
    color: var(--color-text); letter-spacing: 0.02em; white-space: nowrap;
    display: flex; align-items: center; gap: 2px;
}
.logo-gold { color: var(--color-accent); }
.logo .logo-dot {
    width: 8px; height: 8px; background: var(--color-accent);
    border-radius: 50%; display: inline-block; margin-right: 6px;
}
.nav-link {
    position: relative; font-size: 15px; font-weight: 500;
    color: var(--color-text); padding: 8px 2px; line-height: 1.4;
}
.nav-link::after {
    content: ''; position: absolute; left: 50%; bottom: 0;
    transform: translateX(-50%); width: 0; height: 2px;
    background: var(--color-accent); border-radius: 2px;
    transition: width 0.3s;
}
.nav-link:hover { color: var(--color-primary); }
.nav-link:hover::after { width: 24px; }
.nav-link.active { color: var(--color-primary); font-weight: 600; }
.nav-link.active::after { width: 24px; }
.nav-right .btn { margin-left: 4px; padding: 9px 20px; font-size: 14px; }
.menu-toggle {
    display: none; flex-direction: column; gap: 5px; padding: 8px;
    width: 44px; height: 44px; align-items: center; justify-content: center;
    border-radius: var(--radius-sm); transition: background 0.2s;
}
.menu-toggle:hover { background: rgba(106, 31, 52, 0.06); }
.menu-toggle span {
    width: 20px; height: 2px; background: var(--color-text);
    border-radius: 2px; transition: transform 0.3s, opacity 0.3s;
}
.menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
/* ============ Category Hero ============ */
.category-hero {
    position: relative; min-height: 360px; display: flex; align-items: center;
    background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
    background-color: var(--color-surface-deep);
    color: var(--color-text-invert); overflow: hidden;
}
.category-hero::before {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(20,16,15,0.86), rgba(20,16,15,0.92));
}
.category-hero::after {
    content: ''; position: absolute; top: 0; right: 0; width: 420px; height: 420px;
    background: radial-gradient(circle, rgba(201,155,74,0.14), transparent 70%);
    pointer-events: none;
}
.category-hero .container { position: relative; z-index: 2; }
.breadcrumb {
    display: flex; align-items: center; gap: 10px; font-size: 14px;
    color: rgba(245, 239, 230, 0.7); margin-bottom: 24px;
}
.breadcrumb a { color: rgba(245, 239, 230, 0.9); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb .sep { color: var(--color-accent); font-weight: 700; }
.breadcrumb .current { color: var(--color-accent); font-weight: 600; }
.hero-content {
    display: flex; align-items: flex-end; justify-content: space-between; gap: 40px;
}
.hero-text { max-width: 640px; }
.hero-text h1 {
    font-size: clamp(28px, 4vw, 44px); font-weight: 800;
    line-height: 1.25; letter-spacing: 0.02em; margin-bottom: 16px;
    color: var(--color-text-invert);
}
.hero-text h1 .gold { color: var(--color-accent); }
.hero-text p {
    font-size: 16px; line-height: 1.8; color: rgba(245, 239, 230, 0.78);
    max-width: 540px;
}
.hero-stats {
    display: flex; gap: 12px; flex-shrink: 0;
}
.stat-card {
    background: rgba(20, 16, 15, 0.72); border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md); padding: 16px 22px; text-align: center;
    backdrop-filter: blur(6px); min-width: 110px;
}
.stat-card .stat-num {
    font-family: var(--font-serif); font-size: 28px; font-weight: 800;
    color: var(--color-accent); display: block; line-height: 1.2;
}
.stat-card .stat-label {
    font-size: 13px; color: rgba(245, 239, 230, 0.7); margin-top: 4px; display: block;
}
/* ============ Filter Bar ============ */
.filter-bar {
    background: var(--color-bg-soft); padding: 20px 0;
    border-bottom: 1px solid var(--color-border);
}
.filter-list {
    display: flex; gap: 10px; flex-wrap: wrap; align-items: center;
}
.filter-tag {
    display: inline-block; padding: 8px 20px; border-radius: var(--radius-pill);
    font-size: 14px; font-weight: 500; color: var(--color-text);
    background: var(--color-surface); border: 1px solid var(--color-border);
    transition: all 0.25s; cursor: pointer;
}
.filter-tag:hover { border-color: var(--color-accent); color: var(--color-accent); }
.filter-tag.active {
    background: linear-gradient(135deg, #C99B4A, #E0B565);
    color: #1A120C; border-color: transparent; font-weight: 600;
    box-shadow: var(--shadow-gold);
}
/* ============ Category Grid ============ */
.category-grid { padding: 56px 0 72px; background: var(--color-bg-soft); }
.grid-head {
    display: flex; align-items: flex-end; justify-content: space-between;
    margin-bottom: 32px; gap: 24px;
}
.grid-head h2 {
    font-size: clamp(22px, 3vw, 30px); font-weight: 700; color: var(--color-text);
    display: flex; align-items: center; gap: 14px;
}
.grid-head h2::before {
    content: ''; width: 4px; height: 24px; border-radius: 4px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-hover));
}
.grid-head p { font-size: 14px; color: var(--color-muted); max-width: 480px; }
.cards-masonry {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.product-card {
    background: var(--color-surface); border-radius: var(--radius-lg);
    overflow: hidden; box-shadow: var(--shadow-card);
    border: 1px solid var(--color-border);
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex; flex-direction: column;
}
.product-card:hover {
    transform: translateY(-4px); box-shadow: var(--shadow-card-hover);
}
.card-img {
    position: relative; overflow: hidden; aspect-ratio: 16 / 10;
    background: var(--color-surface-deep);
}
.card-img img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 0.4s;
}
.product-card:hover .card-img img { transform: scale(1.05); }
.card-tag {
    position: absolute; top: 14px; left: 14px; z-index: 2;
    background: rgba(201, 155, 74, 0.92); color: #1A120C;
    font-size: 12px; font-weight: 700; padding: 4px 14px;
    border-radius: var(--radius-pill); letter-spacing: 0.04em;
    clip-path: polygon(0 0, 100% 0, 100% 70%, 85% 100%, 0 100%);
}
.card-body { padding: 20px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.card-body h3 { font-size: 19px; font-weight: 700; margin-bottom: 8px; color: var(--color-text); }
.card-body > p { font-size: 14px; color: var(--color-muted); line-height: 1.6; margin-bottom: 14px; flex: 1; }
.price-row {
    display: flex; align-items: baseline; gap: 10px; margin-bottom: 16px;
}
.price { font-size: 20px; font-weight: 800; color: var(--color-accent); font-family: var(--font-serif); }
.price-original {
    font-size: 14px; color: var(--color-muted); text-decoration: line-through;
}
.product-card .btn { align-self: flex-start; }
/* 错位效果：改变部分卡片的图片比例 */
.product-card.tall .card-img { aspect-ratio: 16 / 12; }
.product-card.short .card-img { aspect-ratio: 16 / 8.5; }
/* ============ Pagination ============ */
.pagination {
    display: flex; justify-content: center; gap: 8px; margin-top: 48px;
    flex-wrap: wrap;
}
.page-btn {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 42px; height: 42px; padding: 0 18px;
    border-radius: var(--radius-pill); font-size: 15px; font-weight: 500;
    background: var(--color-surface); color: var(--color-text);
    border: 1px solid var(--color-border);
    transition: all 0.25s;
}
.page-btn:hover { border-color: var(--color-accent); color: var(--color-accent); }
.page-btn.active {
    background: linear-gradient(135deg, #C99B4A, #E0B565);
    color: #1A120C; border-color: transparent; font-weight: 700;
    box-shadow: var(--shadow-gold);
}
/* ============ Category SEO Section ============ */
.category-seo {
    background: var(--color-surface); padding: 64px 0;
    border-top: 1px solid var(--color-border);
}
.seo-inner {
    max-width: 920px; margin: 0 auto; background: var(--color-bg-soft);
    border-radius: var(--radius-lg); padding: 48px;
    border-left: 4px solid var(--color-accent);
    box-shadow: var(--shadow-card);
}
.seo-inner h2 {
    font-size: clamp(22px, 3vw, 30px); font-weight: 700;
    color: var(--color-text); margin-bottom: 16px;
}
.seo-inner p {
    font-size: 15px; line-height: 2; color: var(--color-text);
    text-align: justify;
}
/* ============ Related Categories ============ */
.related-categories { background: var(--color-bg-soft); padding: 64px 0; }
.related-categories h2 {
    font-size: clamp(22px, 3vw, 30px); font-weight: 700; color: var(--color-text);
    text-align: center; margin-bottom: 8px;
}
.related-sub { text-align: center; color: var(--color-muted); font-size: 14px; margin-bottom: 40px; }
.related-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.related-card {
    background: var(--color-surface); border-radius: var(--radius-lg);
    padding: 28px 24px; border: 1px solid var(--color-border);
    box-shadow: var(--shadow-card); text-align: center;
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.related-card:hover {
    transform: translateY(-4px); box-shadow: var(--shadow-card-hover);
    border-color: rgba(201, 155, 74, 0.5);
}
.related-card .icon {
    width: 48px; height: 48px; border-radius: 12px; margin: 0 auto 16px;
    background: rgba(201, 155, 74, 0.14); border: 1px solid rgba(201, 155, 74, 0.4);
    display: flex; align-items: center; justify-content: center;
    font-size: 22px; color: var(--color-accent);
}
.related-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 6px; color: var(--color-text); }
.related-card p { font-size: 13px; color: var(--color-muted); }
/* ============ CTA Banner ============ */
.cta-banner { background: var(--color-bg-soft); padding-bottom: 72px; }
.cta-card {
    position: relative; display: flex; align-items: center; justify-content: space-between;
    gap: 40px; padding: 48px 56px; border-radius: 24px;
    background: linear-gradient(135deg, #2B1216, #14100F);
    color: var(--color-text-invert); overflow: hidden;
}
.cta-card::before {
    content: ''; position: absolute; top: -60px; right: 80px; width: 200px; height: 200px;
    background: radial-gradient(circle, rgba(201,155,74,0.2), transparent 70%);
    pointer-events: none;
}
.cta-card::after {
    content: ''; position: absolute; bottom: -40px; left: 30px; width: 140px; height: 140px;
    border: 1px solid rgba(201,155,74,0.25); border-radius: 50%;
    pointer-events: none;
}
.cta-text h2 {
    font-size: clamp(24px, 3vw, 32px); font-weight: 800; margin-bottom: 10px;
    font-family: var(--font-serif);
}
.cta-text h2 .gold { color: var(--color-accent); }
.cta-text p { font-size: 15px; color: rgba(245, 239, 230, 0.7); max-width: 480px; }
.cta-card .btn { position: relative; z-index: 2; flex-shrink: 0; padding: 14px 32px; font-size: 16px; }
/* ============ Footer ============ */
.site-footer {
    background: var(--color-bg); color: rgba(245, 239, 230, 0.7);
    padding: 56px 0 0; font-size: 14px;
}
.footer-inner {
    display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px;
    padding-bottom: 40px;
}
.footer-brand .footer-logo {
    font-family: var(--font-serif); font-size: 22px; font-weight: 800;
    color: var(--color-text-invert); display: flex; align-items: center; gap: 2px;
    margin-bottom: 14px;
}
.footer-brand .footer-logo .logo-dot {
    width: 8px; height: 8px; background: var(--color-accent);
    border-radius: 50%; display: inline-block; margin-right: 6px;
}
.footer-brand .footer-logo .logo-gold { color: var(--color-accent); }
.footer-brand p { font-size: 13px; line-height: 1.8; color: rgba(245, 239, 230, 0.55); max-width: 280px; margin-bottom: 18px; }
.social-links { display: flex; gap: 12px; }
.social-link {
    width: 38px; height: 38px; border-radius: 10px;
    border: 1px solid var(--color-border-light);
    display: flex; align-items: center; justify-content: center;
    color: rgba(245, 239, 230, 0.6); font-size: 16px;
    transition: all 0.25s;
}
.social-link:hover {
    border-color: var(--color-accent); color: var(--color-accent);
    transform: translateY(-2px);
}
.footer-col h4 {
    font-size: 15px; font-weight: 700; color: #E8C87E;
    margin-bottom: 16px; font-family: var(--font-sans);
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: rgba(245, 239, 230, 0.55); transition: color 0.25s; }
.footer-col ul li a:hover { color: var(--color-accent); }
.footer-bottom {
    border-top: 1px solid var(--color-border-light); padding: 20px 0;
    display: flex; align-items: center; justify-content: space-between;
    font-size: 13px; color: rgba(245, 239, 230, 0.4);
}
.footer-bottom a { color: rgba(245, 239, 230, 0.4); transition: color 0.2s; }
.footer-bottom a:hover { color: var(--color-accent); }
/* ============ Focus Visible ============ */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
    outline: 2px solid var(--color-accent); outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(201, 155, 74, 0.2);
}
/* ============ Responsive ============ */
@media (max-width: 1200px) {
    :root { --gutter: 20px; }
}
@media (max-width: 992px) {
    :root { --section-pad: 56px; --gutter: 20px; }
    .cards-masonry { grid-template-columns: repeat(2, 1fr); }
    .related-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
    .hero-stats { flex-direction: column; gap: 8px; }
}
@media (max-width: 767px) {
    :root { --section-pad: 48px; --gutter: 16px; }
    .nav-wrap { min-height: 64px; }
    .nav-left, .nav-right { display: none; }
    .menu-toggle { display: flex; position: absolute; left: 12px; top: 50%; transform: translateY(-50%); }
    .logo { font-size: 20px; }
    .nav-wrap.open .nav-left,
    .nav-wrap.open .nav-right {
        display: flex; position: fixed; top: 64px; left: 0; right: 0;
        background: var(--color-bg-soft); flex-direction: column;
        align-items: stretch; padding: 16px 20px 24px; gap: 4px;
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-card); z-index: 999;
    }
    .nav-wrap.open .nav-right { top: auto; margin-top: 4px; }
    .nav-link { padding: 12px 8px; font-size: 16px; border-bottom: 1px solid var(--color-border); }
    .nav-link::after { display: none; }
    .nav-right .btn { margin-top: 12px; width: 100%; }
    .hero-content { flex-direction: column; align-items: flex-start; gap: 24px; }
    .hero-stats { flex-direction: row; flex-wrap: wrap; }
    .stat-card { flex: 1; min-width: 90px; padding: 12px 14px; }
    .stat-card .stat-num { font-size: 22px; }
    .cards-masonry { grid-template-columns: 1fr; }
    .filter-list { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 8px; -webkit-overflow-scrolling: touch; }
    .filter-tag { flex-shrink: 0; }
    .grid-head { flex-direction: column; align-items: flex-start; gap: 8px; }
    .cta-card { flex-direction: column; padding: 32px 24px; text-align: center; gap: 20px; }
    .cta-card::before { right: -30px; }
    .cta-card::after { left: -20px; }
    .footer-inner { grid-template-columns: 1fr; gap: 28px; }
    .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
    .related-grid { grid-template-columns: 1fr; }
    .seo-inner { padding: 28px 22px; }
    .category-hero { min-height: 420px; }
    .pagination { gap: 6px; }
    .page-btn { min-width: 38px; height: 38px; padding: 0 12px; font-size: 14px; }
}
@media (max-width: 520px) {
    .stat-card { min-width: 75px; padding: 10px 10px; }
    .stat-card .stat-num { font-size: 18px; }
    .stat-card .stat-label { font-size: 11px; }
    .product-card .btn { width: 100%; }
    .card-body { padding: 18px 18px 20px; }
}