/* roulang page: index */
:root {
            --paper: #F5F0E6;
            --surface: #FFFCF6;
            --ink: #17211C;
            --muted: #66716A;
            --line: #E3D8C7;
            --brand: #C14900;
            --brand-hover: #9C3700;
            --brand-soft: #FBE3D4;
            --brand-bright: #F2790F;
            --pine: #123B32;
            --pine-soft: #DCE8E3;
            --accent: #F4B942;
            --success: #2F9B63;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            background-color: var(--paper);
            color: var(--ink);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section-space {
            padding-top: 80px;
            padding-bottom: 80px;
        }

        @media (max-width: 768px) {
            .section-space {
                padding-top: 56px;
                padding-bottom: 56px;
            }
        }

        .font-numeric {
            font-variant-numeric: tabular-nums;
        }

        .focus-ring:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 2px;
        }

        /* Header */
        .site-header {
            background: var(--surface);
            border-bottom: 1px solid var(--line);
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px -12px rgba(23, 33, 28, 0.15);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 80px;
        }

        .logo-main {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo-icon {
            width: 42px;
            height: 42px;
            background: var(--pine);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 900;
            color: var(--accent);
            flex-shrink: 0;
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .logo-text-top {
            font-size: 20px;
            font-weight: 800;
            color: var(--pine);
            letter-spacing: 0.02em;
        }

        .logo-text-sub {
            font-size: 11px;
            color: var(--muted);
            letter-spacing: 0.08em;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--ink);
            position: relative;
            padding: 8px 2px;
            transition: color 0.2s;
        }

        .nav-link:hover {
            color: var(--brand);
        }

        .nav-link.active {
            color: var(--brand);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            background: var(--brand);
            border-radius: 2px;
        }

        .nav-cta {
            background: var(--brand);
            color: #fff !important;
            padding: 8px 18px;
            border-radius: 10px;
            font-size: 14px;
            font-weight: 600;
            transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
            box-shadow: 0 4px 0 #9C3700;
        }

        .nav-cta:hover {
            background: var(--brand-hover);
            transform: translateY(1px);
            box-shadow: 0 2px 0 #9C3700;
            color: #fff !important;
        }

        .nav-cta:active {
            transform: translateY(2px);
            box-shadow: none;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            padding: 10px;
            border-radius: 10px;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--pine);
            border-radius: 2px;
            transition: transform 0.3s, opacity 0.3s;
        }

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

        .mobile-nav {
            position: fixed;
            top: 0;
            right: -100%;
            width: min(320px, 85vw);
            height: 100vh;
            background: var(--pine);
            z-index: 2000;
            padding: 40px 28px;
            transition: right 0.35s ease;
            overflow-y: auto;
        }

        .mobile-nav.open {
            right: 0;
        }

        .mobile-nav-close {
            position: absolute;
            top: 20px;
            right: 20px;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: #fff;
        }

        .mobile-nav .mobile-links {
            margin-top: 40px;
        }

        .mobile-nav .mobile-link {
            display: block;
            color: rgba(255, 255, 255, 0.9);
            font-size: 20px;
            font-weight: 500;
            padding: 14px 8px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: padding-left 0.2s;
        }

        .mobile-nav .mobile-link:hover {
            padding-left: 16px;
            color: #fff;
        }

        .mobile-nav .mobile-link.active-m {
            border-left: 4px solid var(--accent);
            color: var(--accent);
        }

        .mobile-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(23, 33, 28, 0.5);
            z-index: 1500;
            backdrop-filter: blur(2px);
        }

        .mobile-overlay.show {
            display: block;
        }

        /* Hero */
        .hero-section {
            position: relative;
            background: var(--paper);
            padding: 70px 0 90px;
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
        }

        .hero-grid-bg {
            position: absolute;
            inset: 0;
            background-image: radial-gradient(circle, rgba(193, 73, 0, 0.15) 1px, transparent 1px);
            background-size: 28px 28px;
            opacity: 0.3;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 60px;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--brand-soft);
            padding: 6px 14px;
            border-radius: 100px;
            font-size: 13px;
            font-weight: 500;
            color: var(--brand);
            margin-bottom: 16px;
        }

        .hero-title {
            font-size: 56px;
            line-height: 1.2;
            font-weight: 900;
            color: var(--pine);
            margin-bottom: 20px;
        }

        .hero-title .highlight {
            color: var(--brand);
        }

        .hero-sub {
            font-size: 18px;
            color: var(--muted);
            margin-bottom: 28px;
            max-width: 460px;
            line-height: 1.8;
        }

        .hero-ctas {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--brand);
            color: #fff;
            padding: 12px 26px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 16px;
            transition: all 0.2s;
            box-shadow: 0 4px 0 #9C3700;
        }

        .btn-primary:hover {
            background: var(--brand-hover);
            transform: translateY(1px);
            box-shadow: 0 2px 0 #9C3700;
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(3px);
            box-shadow: none;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--ink);
            padding: 12px 26px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 16px;
            border: 1px solid var(--line);
            transition: all 0.2s;
        }

        .btn-secondary:hover {
            border-color: var(--brand);
            color: var(--brand);
        }

        .btn-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--brand);
            font-weight: 600;
            transition: gap 0.2s;
        }

        .btn-link:hover {
            gap: 10px;
            color: var(--brand-hover);
        }

        .hero-trust {
            display: flex;
            gap: 24px;
            align-items: center;
            flex-wrap: wrap;
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--pine);
            font-size: 14px;
            font-weight: 500;
        }

        .trust-item .check {
            background: var(--success);
            color: #fff;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            flex-shrink: 0;
        }

        .hero-visual {
            position: relative;
        }

        .hero-frame {
            background: var(--surface);
            border-radius: 24px;
            box-shadow: var(--shadow-card);
            overflow: hidden;
            padding: 12px;
            border: 1px solid var(--line);
            position: relative;
        }

        .hero-frame .frame-top {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 6px 8px 12px;
        }

        .frame-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--line);
        }

        .frame-dot:first-child {
            background: #E97B5A;
        }
        .frame-dot:nth-child(2) {
            background: var(--accent);
        }
        .frame-dot:nth-child(3) {
            background: var(--success);
        }

        .frame-content {
            border-radius: 16px;
            overflow: hidden;
            position: relative;
        }

        .frame-content img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
        }

        .frame-badge {
            position: absolute;
            top: 14px;
            right: 14px;
            background: var(--accent);
            color: var(--pine);
            font-size: 13px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 100px;
            box-shadow: 0 4px 12px rgba(244, 185, 66, 0.4);
        }

        .float-card {
            position: absolute;
            bottom: -20px;
            left: -20px;
            background: var(--pine);
            color: #fff;
            padding: 14px 20px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            gap: 12px;
            box-shadow: 0 16px 30px rgba(18, 59, 50, 0.3);
        }

        .float-card .num {
            font-size: 26px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
        }

        .float-card .text {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.4;
        }

        /* Section title */
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 48px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            letter-spacing: 0.05em;
            color: var(--brand);
            font-weight: 600;
            margin-bottom: 8px;
        }

        .section-tag::before {
            content: '';
            width: 18px;
            height: 2px;
            background: var(--brand);
            border-radius: 2px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--pine);
            margin-bottom: 8px;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 26px;
            }
        }

        .section-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--brand);
            font-weight: 500;
            font-size: 15px;
            transition: gap 0.2s;
        }

        .section-link:hover {
            gap: 10px;
        }

        /* Features */
        .features-section {
            background: var(--surface);
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }

        .features-layout {
            display: grid;
            grid-template-columns: 0.55fr 0.45fr;
            gap: 60px;
        }

        @media (max-width: 992px) {
            .features-layout {
                grid-template-columns: 1fr;
                gap: 40px;
            }
        }

        .features-intro .section-title {
            font-size: 36px;
            margin-bottom: 16px;
        }

        .features-intro p {
            color: var(--muted);
            font-size: 16px;
        }

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

        .feature-item {
            display: flex;
            gap: 20px;
            padding: 28px 8px;
            border-top: 1px solid var(--line);
            transition: background 0.3s, padding-left 0.3s;
            border-radius: 12px;
        }

        .feature-item:last-child {
            border-bottom: 1px solid var(--line);
        }

        .feature-item:hover {
            background: var(--brand-soft);
            padding-left: 20px;
        }

        .feature-item .num {
            font-size: 15px;
            font-weight: 700;
            color: var(--brand);
            font-variant-numeric: tabular-nums;
            padding-top: 2px;
        }

        .feature-item .icon-wrap {
            width: 44px;
            height: 44px;
            background: var(--pine-soft);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--pine);
            flex-shrink: 0;
        }

        .feature-item h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 6px;
        }

        .feature-item p {
            color: var(--muted);
            font-size: 15px;
            max-width: 500px;
        }

        /* Scenario */
        .scenario-section {
            background: var(--paper);
        }

        .scenario-paths {
            display: flex;
            align-items: stretch;
            gap: 20px;
            position: relative;
        }

        .scenario-card {
            flex: 1;
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: 24px;
            padding: 30px;
            box-shadow: var(--shadow-card);
            position: relative;
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .scenario-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-card-hover);
        }

        .scenario-arrow {
            display: none;
        }

        .scenario-step {
            display: inline-flex;
            width: 40px;
            height: 40px;
            background: var(--pine);
            color: var(--accent);
            border-radius: 12px;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            margin-bottom: 18px;
        }

        .scenario-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--pine);
            margin-bottom: 12px;
        }

        .scenario-card p {
            color: var(--muted);
            font-size: 15px;
            margin-bottom: 16px;
        }

        .scenario-note {
            margin-top: 48px;
            background: var(--pine);
            color: rgba(255, 255, 255, 0.85);
            border-radius: 16px;
            padding: 20px 28px;
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 15px;
        }

        .scenario-note strong {
            color: var(--accent);
        }

        /* Trust */
        .trust-section {
            background: var(--pine);
            color: #fff;
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .trust-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: radial-gradient(circle, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
            background-size: 24px 24px;
        }

        .trust-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            position: relative;
            z-index: 2;
        }

        @media (max-width: 992px) {
            .trust-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        .trust-card .num {
            font-size: 48px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 12px;
            font-variant-numeric: tabular-nums;
        }

        .trust-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
        }

        .trust-card p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
        }

        /* News list styles */
        .news-list-section {
            background: var(--surface);
        }

        .news-card {
            display: flex;
            gap: 24px;
            background: var(--paper);
            border-radius: 20px;
            padding: 24px;
            margin-bottom: 20px;
            transition: transform 0.3s, box-shadow 0.3s;
            border: 1px solid transparent;
        }

        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--line);
        }

        .news-card img {
            width: 220px;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            border-radius: 14px;
            flex-shrink: 0;
        }

        .news-content h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .news-content h3 a:hover {
            color: var(--brand);
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 10px;
            font-size: 13px;
            color: var(--muted);
        }

        .news-badge {
            background: var(--accent);
            color: var(--pine);
            font-size: 12px;
            font-weight: 700;
            padding: 2px 12px;
            border-radius: 100px;
        }

        .news-excerpt {
            color: var(--muted);
            font-size: 15px;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 8px;
        }

        .news-date {
            color: var(--muted);
            font-size: 13px;
        }

        @media (max-width: 768px) {
            .news-card {
                flex-direction: column;
                padding: 18px;
            }

            .news-card img {
                width: 100%;
                aspect-ratio: 16 / 9;
            }
        }

        /* CSS strict mode for empty state */
        .news-empty {
            display: none;
        }

        /* FAQ */
        .faq-section {
            background: var(--paper);
        }

        .faq-container {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--line);
        }

        .faq-item summary {
            list-style: none;
            cursor: pointer;
            padding: 28px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            transition: color 0.2s;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary:hover .faq-q {
            color: var(--brand);
        }

        .faq-item summary .faq-icon {
            width: 36px;
            height: 36px;
            min-width: 36px;
            background: var(--brand-soft);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--brand);
            transition: transform 0.3s;
        }

        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
        }

        .faq-item .faq-q {
            font-size: 16px;
            font-weight: 600;
            color: var(--pine);
            line-height: 1.6;
            transition: color 0.2s;
        }

        .faq-item .faq-a {
            padding: 0 60px 28px 16px;
            color: var(--muted);
            font-size: 15px;
        }

        /* Sticky CTA */
        .bottom-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--pine);
            z-index: 1000;
            padding: 14px 20px;
            transform: translateY(0);
            transition: transform 0.3s;
            box-shadow: 0 -8px 30px rgba(23, 33, 28, 0.2);
        }

        .bottom-cta.hidden-bar {
            transform: translateY(100%);
        }

        .bottom-cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .bottom-cta-text {
            color: #fff;
            font-size: 15px;
            font-weight: 500;
        }

        .bottom-cta-inner .btn-primary {
            padding: 8px 20px;
            white-space: nowrap;
        }

        body {
            padding-bottom: 60px;
        }

        /* CTA dark section */
        .cta-dark-section {
            background: var(--pine);
            padding: 70px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-dark-section .cta-content {
            max-width: 700px;
            color: #fff;
        }

        .cta-dark-section h2 {
            font-size: 38px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-dark-section h2 .accent-text {
            color: var(--accent);
        }

        .cta-dark-section p {
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 24px;
        }

        .cta-dark {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .cta-dark .btn-primary {
            background: var(--accent);
            color: var(--pine);
            box-shadow: 0 4px 0 #d79a24;
        }

        .cta-dark .btn-primary:hover {
            background: #f4b942;
            color: var(--pine);
            box-shadow: 0 2px 0 #d79a24;
        }

        .cta-dark .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            padding: 10px 22px;
            border-radius: 12px;
            font-weight: 600;
            transition: border-color 0.2s, background 0.2s;
        }

        .cta-dark .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        /* Footer */
        .site-footer {
            background: var(--pine);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 0;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        .footer-brand p {
            color: rgba(255, 255, 255, 0.6);
            margin-top: 16px;
            font-size: 14px;
        }

        .footer-title {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            color: #fff;
            margin-bottom: 20px;
            font-size: 18px;
            font-weight: 600;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 12px;
            align-items: flex-start;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            transition: color 0.2s, padding-left 0.2s;
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-logo-icon {
            width: 36px;
            height: 36px;
            min-width: 36px;
            background: rgba(255, 255, 255, 0.1);
            color: var(--accent);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 17px;
        }

        .footer-logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.3;
        }

        .footer-logo-text .top {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
        }

        .footer-logo-text .sub {
            font-size: 11px;
            color: rgba(255, 255, 255, 0.6);
        }

        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            text-align: center;
            color: rgba(255, 255, 255, 0.35);
            font-size: 14px;
            background: rgba(0, 0, 0, 0.1);
        }

        .contact-col p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            margin-bottom: 10px;
        }

        .contact-col p a{
            color: var(--accent);
        }

        /* Marquee tags */
        .tags-row {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-top: 28px;
        }

        .mini-tag {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: rgba(255, 255, 255, 0.7);
            border-radius: 100px;
            padding: 3px 14px;
            font-size: 13px;
            transition: background 0.2s, border-color 0.2s;
        }

        .mini-tag:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: rgba(244, 185, 66, 0.4);
            color: #fff;
        }

        /* Status card, numbers */
        .reveal-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        @media (max-width: 640px) {
            .reveal-stats {
                grid-template-columns: 1fr;
            }
        }

        .status-strip {
            background: var(--surface);
            border-left: 4px solid var(--brand);
            padding: 20px 28px;
            border-radius: 12px;
            box-shadow: var(--shadow-card);
        }

        .status-strip .num {
            font-size: 32px;
            font-weight: 800;
            color: var(--pine);
        }

        .footer-hightlight-title {
            color: var(--accent);
            font-size: 14px;
            margin-bottom: 14px;
        }

        /* Details spacing */
        .news-list-section h2,
        .features-section h2,
        .scenario-section h2,
        .faq-section h2,
        .trust-section h2 {
            letter-spacing: 0.02em;
        }

        .badge-right-move {
            transition: transform 0.2s;
        }

        /* Reveal groups */
        .extra-stat-badge {
            display: flex;
            align-items: center;
        }

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

        .dot-list li {
            display: flex;
            gap: 8px;
            align-items: flex-start;
            color: var(--muted);
            font-size: 15px;
        }

        .dot-list li::before {
            content: '';
            width: 6px;
            height: 6px;
            background: var(--brand);
            border-radius: 50%;
            margin-top: 10px;
            flex-shrink: 0;
        }

        ol.numerical-list li {
            list-style: none;
            counter-increment: custom-list;
            position: relative;
            margin-bottom: 14px;
            color: var(--muted);
        }

        /* Accessible headings */
        .visually-hidden {
            position: absolute;
            width: 1px;
            height: 1px;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        @media (max-width: 1024px) {
            .main-nav {
                gap: 16px;
            }
        }

        @media (max-width: 768px) {
            .main-nav-desktop {
                display: none;
            }

            .hamburger {
                display: flex;
            }

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

            .hero-title {
                font-size: 38px;
            }

            .scenario-paths {
                flex-direction: column;
            }

            .scenario-card {
                margin-bottom: 16px;
            }

            .hero-frame {
                max-width: 460px;
                margin: 0 auto;
            }

            .float-card {
                left: 8px;
            }
        }

        @supports not (backdrop-filter: blur(2px)) {
            .mobile-overlay.show {
                background: rgba(23, 33, 28, 0.8);
            }
        }

        .cover1-usage {
            background-image: url('/assets/images/coverpic/cover-1.webp');
        }

        .category-shortcut-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: 20px;
            padding: 22px 26px;
            transition: border-color 0.2s, transform 0.2s;
        }

        .category-shortcut-card:hover {
            border-color: var(--brand);
            transform: translateY(-2px);
        }

        .category-shortcut-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--pine);
        }

        .category-shortcut-card p {
            font-size: 13px;
            color: var(--muted);
        }

/* roulang page: article */
:root {
            --paper: #F5F0E6;
            --surface: #FFFCF6;
            --ink: #17211C;
            --muted: #66716A;
            --line: #E3D8C7;
            --brand: #C14900;
            --brand-hover: #9C3700;
            --brand-soft: #FBE3D4;
            --brand-bright: #F2790F;
            --pine: #123B32;
            --pine-soft: #DCE8E3;
            --accent: #F4B942;
            --success: #2F9B63;
            --radius-card: 16px;
            --radius-btn: 12px;
            --shadow-card: 0 16px 40px -28px rgba(70, 42, 10, 0.2);
            --shadow-hover: 0 22px 50px -28px rgba(70, 42, 10, 0.3);
            --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            background: var(--paper);
            color: var(--ink);
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

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

        button,
        input {
            font-family: inherit;
        }

        h1, h2, h3, h4 {
            font-weight: 800;
            line-height: 1.35;
            letter-spacing: 0.01em;
        }

        .container-custom {
            width: min(1200px, calc(100% - 40px));
            margin-left: auto;
            margin-right: auto;
        }

        .container-narrow {
            width: min(760px, calc(100% - 40px));
            margin-left: auto;
            margin-right: auto;
        }

        .section-padding {
            padding: 80px 0;
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            color: var(--brand);
            background: var(--brand-soft);
            padding: 5px 14px 5px 10px;
            border-radius: 999px;
            letter-spacing: 0.08em;
            margin-bottom: 16px;
        }

        .section-eyebrow::before {
            content: "";
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--brand-bright);
        }

        .section-title {
            font-size: clamp(28px, 4vw, 40px);
            color: var(--ink);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .section-desc {
            color: var(--muted);
            font-size: 16px;
            max-width: 720px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 60;
            background: rgba(255, 252, 246, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--line);
            transition: box-shadow .3s ease, background .3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 8px 30px -20px rgba(23, 33, 28, 0.3);
            background: rgba(255, 252, 246, 0.97);
        }

        .header-inner {
            min-height: 76px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .logo-main {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: var(--pine);
            color: var(--accent);
            font-size: 24px;
            font-weight: 900;
            border-radius: 14px 14px 14px 4px;
            box-shadow: 0 6px 18px -10px rgba(18, 59, 50, 0.6);
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }

        .logo-text-top {
            font-size: 21px;
            font-weight: 900;
            color: var(--ink);
            letter-spacing: 0.02em;
        }

        .logo-text-sub {
            font-size: 11px;
            font-weight: 600;
            color: var(--muted);
            letter-spacing: 0.16em;
            margin-top: 3px;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-link {
            position: relative;
            padding: 10px 14px;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            border-radius: 10px;
            transition: color .2s ease, background .2s ease;
        }

        .nav-link:hover {
            color: var(--brand);
            background: var(--brand-soft);
        }

        .main-nav .nav-link.active {
            color: var(--brand);
            font-weight: 700;
        }

        .main-nav .nav-link.active::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 0;
            height: 2px;
            background: var(--brand);
            border-radius: 2px;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-left: 8px;
            background: var(--brand);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            padding: 10px 18px;
            border-radius: var(--radius-btn);
            box-shadow: 0 3px 0 var(--brand-hover);
            transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
            white-space: nowrap;
        }

        .nav-cta:hover {
            background: var(--brand-hover);
            transform: translateY(1px);
            box-shadow: 0 2px 0 var(--brand-hover);
        }

        .hamburger {
            display: none;
            background: transparent;
            border: 0;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            z-index: 80;
            position: relative;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--ink);
            border-radius: 2px;
            transition: all .3s ease;
        }

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

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

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

        @media (max-width: 1024px) {
            .main-nav {
                gap: 4px;
            }

            .nav-link {
                padding: 9px 10px;
                font-size: 14px;
            }

            .nav-cta {
                margin-left: 2px;
                padding: 9px 14px;
                font-size: 13px;
            }
        }

        @media (max-width: 900px) {
            .hamburger {
                display: inline-flex;
            }

            .main-nav-desktop {
                position: fixed;
                top: 0;
                right: -320px;
                width: 320px;
                height: 100vh;
                height: 100dvh;
                flex-direction: column;
                align-items: flex-start;
                justify-content: flex-start;
                gap: 12px;
                background: var(--surface);
                padding: 96px 30px 36px;
                box-shadow: -30px 0 70px -40px rgba(23, 33, 28, 0.45);
                transition: right .35s cubic-bezier(.22, .8, .35, 1);
                overflow-y: auto;
                z-index: 70;
                border-left: 1px solid var(--line);
            }

            .main-nav-desktop.open {
                right: 0;
            }

            .main-nav .nav-link {
                display: block;
                width: 100%;
                padding: 12px 14px;
                font-size: 18px;
                border-radius: 12px;
            }

            .main-nav .nav-link.active {
                background: var(--brand-soft);
                color: var(--brand);
            }

            .main-nav .nav-link.active::after {
                display: none;
            }

            .nav-cta {
                width: 100%;
                justify-content: center;
                margin: 12px 0 0;
                padding: 14px 18px;
                font-size: 16px;
            }
        }

        /* Breadcrumb */
        .breadcrumb-wrap {
            padding: 22px 0 4px;
            font-size: 13px;
            color: var(--muted);
        }

        .breadcrumb-wrap .container-custom {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
        }

        .breadcrumb-sep {
            color: #bcb2a1;
            margin: 0 4px;
        }

        .breadcrumb-wrap a {
            color: var(--muted);
            transition: color .2s ease;
        }

        .breadcrumb-wrap a:hover {
            color: var(--brand);
        }

        .breadcrumb-current {
            color: var(--brand);
            font-weight: 600;
            overflow: hidden;
            white-space: nowrap;
            text-overflow: ellipsis;
            max-width: 420px;
        }

        /* Article Hero */
        .article-hero {
            background: var(--surface);
            border-bottom: 1px solid var(--line);
            padding: 44px 0 52px;
            position: relative;
            overflow: hidden;
        }

        .article-hero::after {
            content: "";
            position: absolute;
            right: -80px;
            top: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(244, 185, 66, 0.14) 0%, transparent 68%);
            pointer-events: none;
        }

        .article-hero-inner {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .article-category-pill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--pine-soft);
            color: var(--pine);
            font-size: 13px;
            font-weight: 700;
            padding: 7px 18px;
            border-radius: 999px;
            margin-bottom: 20px;
        }

        .article-category-pill::before {
            content: "";
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--success);
            display: inline-block;
        }

        .article-hero h1 {
            font-size: clamp(28px, 5vw, 44px);
            line-height: 1.4;
            max-width: 900px;
            margin: 0 auto 22px;
            color: var(--ink);
        }

        .article-meta {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px 24px;
            flex-wrap: wrap;
            font-size: 14px;
            color: var(--muted);
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta .meta-dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: #cbc0af;
            display: inline-block;
        }

        .article-hero-image-wrap {
            margin-top: 36px;
            max-width: 880px;
            margin-left: auto;
            margin-right: auto;
            position: relative;
        }

        .article-hero-image-wrap::before {
            content: "";
            position: absolute;
            left: -10px;
            bottom: -10px;
            width: 100%;
            height: 100%;
            border-radius: 24px;
            background: var(--brand-soft);
            z-index: 0;
        }

        .article-hero-image-wrap img {
            position: relative;
            z-index: 1;
            border-radius: 20px;
            aspect-ratio: 16 / 7;
            object-fit: cover;
            border: 1px solid var(--line);
            box-shadow: var(--shadow-card);
        }

        /* Article Body */
        .main-article {
            padding: 60px 0 40px;
        }

        .article-content {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: clamp(28px, 6vw, 48px);
            box-shadow: var(--shadow-card);
        }

        .article-content p {
            margin: 0 0 1.3em;
            line-height: 1.8;
            word-break: break-word;
        }

        .article-content h2 {
            font-size: 26px;
            margin: 1.8em 0 0.7em;
            padding-left: 14px;
            border-left: 4px solid var(--brand);
            line-height: 1.4;
        }

        .article-content h3 {
            font-size: 20px;
            margin: 1.6em 0 0.6em;
            color: var(--pine);
        }

        .article-content img {
            border-radius: 18px;
            margin: 24px 0;
            border: 1px solid var(--line);
        }

        .article-content blockquote {
            margin: 26px 0;
            padding: 18px 20px;
            border-left: 4px solid var(--pine);
            background: var(--pine-soft);
            border-radius: 4px 14px 14px 4px;
            color: #27463d;
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 1.4em;
            padding-left: 1.4em;
        }

        .article-content li {
            margin-bottom: 0.55em;
        }

        .article-content a {
            color: var(--brand);
            border-bottom: 1px solid rgba(193, 73, 0, 0.3);
            transition: color .2s ease, border-color .2s ease;
        }

        .article-content a:hover {
            color: var(--brand-hover);
            border-color: var(--brand-hover);
        }

        .article-content figure {
            margin: 28px 0;
        }

        .article-content figcaption {
            font-size: 14px;
            color: var(--muted);
            text-align: center;
            margin-top: 8px;
        }

        /* Article tags */
        .article-tags-wrap {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-top: 38px;
        }

        .article-tag {
            font-size: 14px;
            color: var(--ink);
            background: #F0E9DC;
            padding: 6px 16px;
            border-radius: 999px;
            transition: all .2s ease;
            border: 1px solid transparent;
        }

        .article-tag:hover {
            background: var(--surface);
            border-color: var(--brand);
            color: var(--brand);
        }

        /* Not Found */
        .not-found-block {
            padding: 90px 0;
            text-align: center;
        }

        .not-found-icon {
            width: 90px;
            height: 90px;
            margin: 0 auto 24px;
            border-radius: 28px;
            background: var(--brand-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 40px;
            color: var(--brand);
        }

        .not-found-block h1 {
            font-size: clamp(30px, 5vw, 44px);
            margin-bottom: 16px;
        }

        .not-found-block .notice {
            color: var(--muted);
            max-width: 520px;
            margin: 0 auto 28px;
        }

        /* Buttons */
        .btn-main {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--brand);
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            padding: 13px 26px;
            border-radius: var(--radius-btn);
            border: 0;
            cursor: pointer;
            box-shadow: 0 4px 0 var(--brand-hover);
            transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
        }

        .btn-main:hover {
            background: var(--brand-hover);
            transform: translateY(-1px);
            box-shadow: 0 2px 0 var(--brand-hover);
        }

        .btn-main:active {
            transform: translateY(1px);
            box-shadow: 0 0 0 var(--brand-hover);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--surface);
            color: var(--ink);
            font-weight: 700;
            font-size: 15px;
            padding: 13px 26px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--line);
            cursor: pointer;
            transition: all .2s ease;
        }

        .btn-outline:hover {
            border-color: var(--brand);
            color: var(--brand);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
        }

        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--brand);
            font-weight: 700;
            font-size: 15px;
            transition: gap .2s ease, color .2s ease;
        }

        .btn-text:hover {
            color: var(--brand-hover);
            gap: 10px;
        }

        .btn-dark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--pine);
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            padding: 13px 26px;
            border-radius: var(--radius-btn);
            border: 0;
            cursor: pointer;
            box-shadow: 0 3px 0 rgba(0,0,0,0.15);
            transition: all .2s ease;
        }

        .btn-dark:hover {
            background: #0b2c25;
            transform: translateY(-1px);
        }

        /* Related */
        .related-section {
            padding: 60px 0 16px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 22px;
            margin-top: 28px;
        }

        .related-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-card);
            transition: transform .25s ease, box-shadow .25s ease;
        }

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

        .related-card .thumb {
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

        .related-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .45s ease;
        }

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

        .related-card .content {
            padding: 20px 20px 22px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .related-card .content .date {
            font-size: 13px;
            color: var(--muted);
        }

        .related-card h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color .2s ease;
        }

        .related-card:hover h3 {
            color: var(--brand);
        }

        /* Category guide grid */
        .guide-section {
            padding: 60px 0 72px;
        }

        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 24px;
            margin-top: 30px;
        }

        .guide-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: 20px;
            padding: 30px 28px 26px;
            position: relative;
            box-shadow: var(--shadow-card);
            transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
            display: flex;
            flex-direction: column;
        }

        .guide-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(193, 73, 0, 0.35);
        }

        .guide-card .guide-num {
            font-size: 34px;
            font-weight: 900;
            color: #e7dcc9;
            line-height: 1;
            letter-spacing: -0.03em;
            margin-bottom: 14px;
        }

        .guide-card h3 {
            font-size: 20px;
            color: var(--ink);
            margin-bottom: 10px;
        }

        .guide-card p {
            color: var(--muted);
            font-size: 15px;
            margin-bottom: 22px;
            flex: 1;
        }

        .guide-card .arrow-line {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--line);
            padding-top: 15px;
        }

        .guide-card .arrow-line span {
            font-size: 14px;
            color: var(--brand);
            font-weight: 600;
        }

        .guide-card .arrow-line i {
            font-style: normal;
            color: var(--brand);
            font-size: 18px;
            transition: transform .2s ease;
        }

        .guide-card:hover .arrow-line i {
            transform: translateX(4px);
        }

        /* CTA band */
        .cta-band-wrap {
            padding: 20px 0 90px;
        }

        .cta-band {
            background: var(--pine);
            border-radius: 26px;
            padding: clamp(32px, 6vw, 64px);
            position: relative;
            overflow: hidden;
            background-image: radial-gradient(rgba(255, 255, 255, 0.13) 1px, transparent 1px);
            background-size: 30px 30px;
            color: #fff;
        }

        .cta-band-inner {
            position: relative;
            z-index: 1;
            max-width: 760px;
        }

        .cta-band .mini-label {
            display: inline-block;
            background: var(--accent);
            color: var(--pine);
            font-weight: 700;
            font-size: 13px;
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 20px;
        }

        .cta-band h2 {
            font-size: clamp(24px, 4vw, 38px);
            line-height: 1.45;
            margin-bottom: 16px;
        }

        .cta-band p {
            color: rgba(255,255,255,0.82);
            margin-bottom: 28px;
            max-width: 640px;
        }

        .cta-band .cta-buttons {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--accent);
            color: var(--pine);
            font-weight: 800;
            padding: 13px 26px;
            border-radius: var(--radius-btn);
            box-shadow: 0 4px 0 #b88424;
            transition: all .2s ease;
        }

        .btn-accent:hover {
            background: #ffd166;
            transform: translateY(-1px);
        }

        .btn-ghost-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid rgba(255,255,255,0.55);
            color: #fff;
            font-weight: 700;
            padding: 12px 22px;
            border-radius: var(--radius-btn);
            transition: all .2s ease;
        }

        .btn-ghost-light:hover {
            background: rgba(255,255,255,0.12);
            border-color: #fff;
        }

        /* Footer */
        .site-footer {
            background: var(--pine);
            color: rgba(255,255,255,0.75);
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.45fr 1fr 1fr 1.25fr;
            gap: 44px;
            padding: 68px 0 56px;
        }

        .footer-brand p,
        .contact-col p {
            font-size: 14px;
            line-height: 1.85;
            color: rgba(255,255,255,0.65);
        }

        .footer-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: var(--surface);
            color: var(--pine);
            font-size: 24px;
            font-weight: 900;
            border-radius: 14px 14px 14px 4px;
            flex-shrink: 0;
        }

        .footer-logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }

        .footer-logo-text .top {
            font-size: 20px;
            font-weight: 900;
            color: #fff;
        }

        .footer-logo-text .sub {
            font-size: 11px;
            letter-spacing: 0.14em;
            color: rgba(255,255,255,0.5);
            margin-top: 3px;
        }

        .mini-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(255,255,255,0.08);
            color: rgba(255,255,255,0.7);
            font-size: 12px;
            border: 1px solid rgba(255,255,255,0.12);
        }

        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-links a {
            color: rgba(255,255,255,0.66);
            transition: all .2s ease;
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .copyright {
            border-top: 1px solid rgba(255,255,255,0.12);
            padding: 22px 0;
            color: rgba(255,255,255,0.45);
            font-size: 13px;
        }

        .copyright .container-custom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        @media (max-width: 980px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }

        @media (max-width: 760px) {
            .section-padding {
                padding: 52px 0;
            }

            .section-title {
                font-size: 28px;
            }

            .related-grid,
            .guide-grid {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                padding: 48px 0 40px;
            }
        }

        @media (max-width: 520px) {
            .container-custom,
            .container-narrow {
                width: calc(100% - 32px);
            }

            .article-meta {
                gap: 6px 14px;
            }

            .article-hero {
                padding: 32px 0 40px;
            }

            .main-article {
                padding: 36px 0 30px;
            }

            .article-content {
                padding: 24px 20px;
            }

            .article-tags-wrap {
                gap: 8px;
            }

            .article-tag {
                font-size: 13px;
                padding: 5px 12px;
            }

            .cta-band .cta-buttons .btn-accent,
            .cta-band .cta-buttons .btn-ghost-light {
                width: 100%;
            }
        }

/* roulang page: category1 */
:root {
    --paper: #F5F0E6;
    --surface: #FFFCF6;
    --ink: #17211C;
    --muted: #66716A;
    --line: #E3D8C7;
    --brand: #C14900;
    --brandhover: #9C3700;
    --brandsoft: #FBE3D4;
    --brandbright: #F2790F;
    --pine: #123B32;
    --pine-light: #1E5548;
    --pinesoft: #DCE8E3;
    --accent: #F4B942;
}

* {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    margin: 0;
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
    background: var(--paper);
    color: var(--ink);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}
img {
    max-width: 100%;
    display: block;
}
a {
    color: inherit;
    text-decoration: none;
}
h1, h2, h3 {
    line-height: 1.3;
    font-weight: 800;
    margin: 0;
}
p {
    margin: 0;
}
button, input {
    font-family: inherit;
}
.container-custom {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 80;
    background: rgba(255, 252, 246, 0.94);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
    transition: box-shadow .25s ease;
}
.site-header.is-scrolled {
    box-shadow: 0 10px 28px -24px rgba(70, 42, 10, 0.25);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
    gap: 18px;
}
.logo-main {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.logo-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--pine);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 900;
    box-shadow: 0 5px 16px -8px rgba(18, 59, 50, 0.6);
}
.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}
.logo-text-top {
    font-size: 21px;
    font-weight: 900;
    color: var(--pine);
    letter-spacing: 0.05em;
}
.logo-text-sub {
    font-size: 11px;
    color: var(--muted);
    letter-spacing: 0.18em;
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 28px;
}
.nav-link {
    position: relative;
    font-size: 15px;
    font-weight: 700;
    color: var(--ink);
    padding: 8px 0;
    transition: color .2s ease;
    white-space: nowrap;
}
.nav-link:hover {
    color: var(--brand);
}
.nav-link.active {
    color: var(--brand);
}
.nav-link.active::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -2px;
    height: 3px;
    border-radius: 6px;
    background: var(--brand);
}
.nav-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--brand);
    color: #fff;
    font-size: 15px;
    font-weight: 800;
    padding: 10px 20px;
    border-radius: 12px;
    box-shadow: 0 4px 0 var(--brandhover);
    transition: all .2s ease;
    white-space: nowrap;
}
.nav-cta:hover {
    background: var(--brandhover);
    transform: translateY(-1px);
    color: #fff;
}
.nav-cta:active {
    transform: translateY(2px);
    box-shadow: 0 0 0 var(--brandhover);
}
.hamburger {
    display: none;
    width: 44px;
    height: 44px;
    border: none;
    background: transparent;
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    border-radius: 12px;
    transition: background .2s;
}
.hamburger:hover {
    background: var(--brandsoft);
}
.hamburger span {
    width: 22px;
    height: 2px;
    background: var(--ink);
    border-radius: 3px;
    transition: transform .25s ease, opacity .25s ease;
}
body.menu-open .hamburger span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
body.menu-open .hamburger span:nth-child(2) {
    opacity: 0;
}
body.menu-open .hamburger span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Hero */
.page-section {
    padding: 82px 0;
}
.category-hero {
    position: relative;
    padding: 82px 0 92px;
    background-color: var(--pine);
    background-image: url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    color: #fff;
    overflow: hidden;
}
.category-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(95deg, rgba(8, 32, 27, 0.92) 10%, rgba(14, 56, 47, 0.76) 55%, rgba(18, 59, 50, 0.55) 100%);
}
.category-hero::after {
    content: "";
    position: absolute;
    width: 370px;
    height: 370px;
    right: -90px;
    top: -150px;
    background: radial-gradient(circle, rgba(244, 185, 66, 0.18), transparent 68%);
    pointer-events: none;
}
.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.08fr 0.92fr;
    gap: 56px;
    align-items: center;
}
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    margin-bottom: 22px;
}
.breadcrumb a {
    color: rgba(255, 255, 255, 0.75);
    transition: color .2s;
}
.breadcrumb a:hover {
    color: var(--accent);
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #FDEBC8;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 22px;
}
.hero-badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
}
.category-hero h1 {
    font-size: clamp(34px, 5vw, 56px);
    line-height: 1.22;
    letter-spacing: 0.02em;
    margin-bottom: 20px;
}
.hero-lead {
    color: rgba(255, 255, 255, 0.86);
    font-size: 16px;
    max-width: 570px;
    margin-bottom: 30px;
}
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
}
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: var(--brand);
    color: #fff;
    border: none;
    padding: 13px 24px;
    border-radius: 14px;
    font-weight: 800;
    font-size: 15px;
    cursor: pointer;
    box-shadow: 0 4px 0 var(--brandhover);
    transition: all .2s ease;
}
.btn-primary:hover {
    background: var(--brandhover);
    transform: translateY(-1px);
    box-shadow: 0 2px 0 #792b00;
}
.btn-primary:active {
    transform: translateY(3px);
    box-shadow: none;
}
.btn-primary:focus-visible,
.btn-secondary:focus-visible,
.nav-cta:focus-visible,
.nav-link:focus-visible,
.hamburger:focus-visible,
a:focus-visible {
    outline: 2px solid var(--brandbright);
    outline-offset: 4px;
}
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.45);
    padding: 13px 22px;
    border-radius: 14px;
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    transition: all .2s ease;
}
.btn-secondary:hover {
    border-color: #fff;
    color: var(--accent);
    background: rgba(255, 255, 255, 0.08);
}
.btn-secondary-dark {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: #fff;
    padding: 13px 22px;
    border-radius: 14px;
    font-weight: 700;
    font-size: 15px;
    transition: all .2s;
}
.btn-secondary-dark:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--accent);
    border-color: #fff;
}

.hero-visual {
    position: relative;
    z-index: 2;
}
.hero-frame {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 36px 80px -40px rgba(0, 0, 0, 0.5);
}
.hero-frame img {
    width: 100%;
    height: 320px;
    object-fit: cover;
}
.hero-float-tag {
    position: absolute;
    right: 18px;
    bottom: 18px;
    background: rgba(18, 59, 50, 0.92);
    color: #fff;
    padding: 10px 16px;
    border-radius: 14px;
    font-size: 14px;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 8px;
    border: 1px solid rgba(244, 185, 66, 0.6);
}
.hero-float-tag i {
    font-style: normal;
    color: var(--accent);
}

/* Steps section */
.sec-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--brand);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.1em;
    margin-bottom: 12px;
}
.sec-label::before {
    content: "";
    width: 22px;
    height: 2px;
    background: var(--brand);
    border-radius: 4px;
}
.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 30px;
    margin-bottom: 46px;
}
.section-head h2 {
    font-size: 30px;
    line-height: 1.3;
    color: var(--pine);
    letter-spacing: 0.02em;
}
.section-sub {
    max-width: 380px;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.8;
}
.quick-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}
.quick-card {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 30px 28px 32px;
    color: var(--ink);
    transition: all .25s ease;
    height: 100%;
    box-shadow: 0 16px 40px -32px rgba(70, 42, 10, 0.18);
}
.quick-card::before {
    content: "";
    position: absolute;
    left: 26px;
    top: 0;
    width: 34px;
    height: 4px;
    border-radius: 0 0 8px 8px;
    background: var(--brand);
}
.quick-card:hover {
    transform: translateY(-6px);
    background: #fff;
    box-shadow: 0 28px 56px -34px rgba(70, 42, 10, 0.28);
}
.step-number {
    display: inline-flex;
    width: 42px;
    height: 42px;
    align-items: center;
    justify-content: center;
    background: var(--pinesoft);
    color: var(--pine);
    border-radius: 12px;
    font-weight: 900;
    font-size: 16px;
    margin-bottom: 18px;
}
.quick-card h3 {
    font-size: 19px;
    color: var(--pine);
    margin-bottom: 10px;
}
.quick-card p {
    color: var(--muted);
    font-size: 15px;
    line-height: 1.8;
}

/* Guide 2 column */
.guide-grid {
    display: grid;
    grid-template-columns: 272px 1fr;
    gap: 44px;
    align-items: start;
}
.guide-aside-wrap {
    position: sticky;
    top: 100px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 22px;
    padding: 28px 24px;
    box-shadow: 0 18px 44px -32px rgba(70, 42, 10, 0.2);
}
.guide-aside-title {
    font-size: 18px;
    color: var(--pine);
    margin-bottom: 6px;
}
.guide-aside-desc {
    font-size: 13px;
    color: var(--muted);
    padding-bottom: 18px;
    border-bottom: 1px solid var(--line);
    margin-bottom: 10px;
    line-height: 1.7;
}
.guide-anchor-list {
    display: flex;
    flex-direction: column;
}
.guide-anchor-list a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 8px;
    border-radius: 10px;
    color: var(--ink);
    font-size: 14px;
    font-weight: 700;
    border-bottom: 1px dashed var(--line);
    transition: all .2s ease;
}
.guide-anchor-list a:last-child {
    border-bottom: none;
}
.guide-anchor-list a:hover {
    background: var(--brandsoft);
    color: var(--brand);
    padding-left: 13px;
}
.guide-anchor-list .guide-index {
    color: var(--brand);
    font-weight: 900;
    font-size: 13px;
    width: 22px;
    text-align: center;
}
.guide-mini-card {
    background: var(--pinesoft);
    border-radius: 14px;
    padding: 14px 16px;
    margin-top: 22px;
    font-size: 13px;
    line-height: 1.7;
    color: var(--pine);
}
.guide-mini-card strong {
    display: block;
    color: var(--pine);
}

.guide-content {
    display: flex;
    flex-direction: column;
    gap: 22px;
}
.content-panel {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 24px;
    padding: 36px 36px 38px;
    box-shadow: 0 18px 44px -36px rgba(70, 42, 10, 0.2);
}
.content-panel.compact {
    padding: 30px 32px 34px;
}
.panel-topline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 16px;
}
.panel-index {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 900;
    color: var(--brand);
    font-size: 14px;
    letter-spacing: 0.08em;
}
.panel-index span {
    display: inline-flex;
    width: 38px;
    height: 38px;
    background: var(--brandsoft);
    color: var(--brand);
    border-radius: 11px;
    align-items: center;
    justify-content: center;
    font-size: 15px;
}
.content-panel h2 {
    font-size: 25px;
    color: var(--pine);
    margin-bottom: 14px;
}
.content-panel p {
    color: var(--muted);
    line-height: 1.85;
    margin-bottom: 1.05em;
}
.content-panel p:last-child {
    margin-bottom: 0;
}
.panel-img {
    border-radius: 16px;
    overflow: hidden;
    margin: 18px 0 12px;
}
.panel-img img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}
.panel-img figcaption {
    font-size: 13px;
    color: var(--muted);
    padding: 10px 4px 12px;
    text-align: center;
}
.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}
.mini-tag {
    display: inline-block;
    background: var(--pinesoft);
    color: var(--pine);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 999px;
}
.mini-tag.warm {
    background: var(--brandsoft);
    color: var(--brand);
}
.note-box {
    background: #FDF6E5;
    border: 1px solid #EFD799;
    border-left: 5px solid var(--accent);
    padding: 18px 20px;
    border-radius: 6px 14px 14px 6px;
    margin-top: 16px;
    font-size: 14px;
    line-height: 1.8;
    color: #524023;
}
.note-box strong {
    color: #6B4D0E;
}
.device-row {
    display: grid;
    grid-template-columns: 108px 1fr;
    gap: 20px;
    padding: 18px 4px;
    border-bottom: 1px solid var(--line);
}
.device-row:last-child {
    border-bottom: 0;
}
.device-icon {
    display: inline-flex;
    width: 46px;
    height: 46px;
    background: var(--pinesoft);
    border-radius: 14px;
    color: var(--pine);
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 16px;
}
.device-row h3 {
    font-size: 17px;
    color: var(--pine);
    margin-bottom: 6px;
}
.device-row p {
    font-size: 15px;
    margin: 0;
    line-height: 1.8;
}
.check-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 12px;
}
.check-item {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    font-size: 15px;
    color: var(--ink);
    line-height: 1.8;
}
.check-item::before {
    content: "";
    flex: 0 0 auto;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--pinesoft);
    color: var(--pine);
    font-size: 12px;
    margin-top: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23123B32'%3E%3Cpath d='M6.4 10.9 3.2 7.7 4.4 6.5 6.4 8.5l5.2-5.2 1.2 1.2z'/%3E%3C/svg%3E");
    background-size: 12px;
    background-position: center;
    background-repeat: no-repeat;
}

/* FAQ */
.faq-wrap {
    max-width: 860px;
    margin: 0 auto;
}
.faq-head {
    text-align: center;
    margin-bottom: 40px;
}
.faq-head .sec-label {
    justify-content: center;
}
.faq-head h2 {
    font-size: 30px;
    color: var(--pine);
}
.faq-list {
    display: flex;
    flex-direction: column;
}
.faq-item {
    border-bottom: 1px solid var(--line);
    background: var(--surface);
    transition: background .2s;
}
.faq-item:first-of-type {
    border-top: 1px solid var(--line);
    border-radius: 18px 18px 0 0;
}
.faq-item:last-of-type {
    border-radius: 0 0 18px 18px;
}
.faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: 22px 46px 22px 22px;
    position: relative;
    outline: none;
    transition: background .2s;
}
.faq-item summary::-webkit-details-marker {
    display: none;
}
.faq-item summary:hover {
    background: var(--brandsoft);
}
.faq-item summary h3 {
    font-size: 16px;
    color: var(--ink);
    line-height: 1.6;
    padding-right: 12px;
}
.faq-item summary::after {
    content: "";
    position: absolute;
    right: 20px;
    top: 50%;
    width: 15px;
    height: 15px;
    border-right: 2px solid var(--brand);
    border-bottom: 2px solid var(--brand);
    transform: translateY(-70%) rotate(45deg);
    transition: transform .22s ease;
}
.faq-item[open] summary::after {
    transform: translateY(-25%) rotate(-135deg);
}
.faq-answer {
    padding: 0 46px 25px 24px;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.85;
}
.faq-answer p {
    margin-bottom: 10px;
}
.faq-answer p:last-child {
    margin-bottom: 0;
}

/* CTA */
.cta-section {
    padding-bottom: 92px;
}
.cta-box {
    position: relative;
    background: linear-gradient(125deg, #0D332A, #1B5346);
    border-radius: 28px;
    padding: 66px 60px;
    color: #fff;
    overflow: hidden;
    box-shadow: 0 40px 80px -48px rgba(18, 59, 50, 0.6);
}
.cta-box::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255, 255, 255, 0.16) 1px, transparent 1px);
    background-size: 28px 28px;
    opacity: .4;
}
.cta-content {
    position: relative;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 30px;
    align-items: center;
}
.cta-content h2 {
    font-size: clamp(22px, 2.5vw, 30px);
    margin-bottom: 10px;
}
.cta-content p {
    color: rgba(255, 255, 255, 0.78);
    max-width: 620px;
}
.cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

/* Footer */
.site-footer {
    background: var(--pine);
    color: rgba(255, 255, 255, 0.78);
    padding-top: 68px;
    margin-top: 20px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1.1fr 1.1fr 1.3fr;
    gap: 44px;
    padding-bottom: 44px;
}
.footer-brand p,
.contact-col p {
    font-size: 14px;
    line-height: 1.85;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 10px;
}
.footer-logo-icon {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 20px;
    font-weight: 900;
    border: 1px solid rgba(255, 255, 255, 0.12);
}
.footer-logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}
.footer-logo-text .top {
    color: #fff;
    font-weight: 900;
    font-size: 21px;
    letter-spacing: .05em;
}
.footer-logo-text .sub {
    font-size: 11px;
    letter-spacing: .15em;
    color: rgba(255, 255, 255, 0.6);
}
.footer-title {
    color: #fff;
    font-weight: 800;
    font-size: 15px;
    margin-bottom: 16px;
    letter-spacing: .06em;
}
.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.footer-links a {
    color: rgba(255, 255, 255, 0.55);
    font-size: 14px;
    transition: color .2s, padding-left .2s;
}
.footer-links a:hover {
    color: var(--accent);
    padding-left: 4px;
}
.contact-col a {
    color: rgba(255, 255, 255, 0.45);
    transition: color .2s;
}
.contact-col a:hover {
    color: var(--accent);
}
.copyright {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding: 22px 0;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.45);
}
.copyright .container-custom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 6px;
}

/* responsive */
@media (max-width: 1024px) {
    .guide-grid {
        grid-template-columns: 1fr;
    }
    .guide-aside-wrap {
        position: static;
    }
    .guide-anchor-list {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 6px;
    }
    .guide-anchor-list a {
        border: 1px solid var(--line);
        border-radius: 999px;
        padding: 9px 15px;
        font-size: 13px;
    }
    .guide-anchor-list .guide-index {
        width: auto;
    }
    .guide-mini-card {
        display: none;
    }
    .quick-grid {
        grid-template-columns: 1fr 1fr 1fr;
    }
    .footer-grid {
        grid-template-columns: 1.5fr 1fr 1fr;
        gap: 36px;
    }
    .contact-col {
        grid-column: span 3;
    }
}

@media (max-width: 900px) {
    .main-nav-desktop {
        position: fixed;
        top: 0;
        right: 0;
        height: 100vh;
        width: min(80vw, 350px);
        background: var(--surface);
        flex-direction: column;
        justify-content: flex-start;
        align-items: stretch;
        gap: 4px;
        padding: 96px 28px 34px;
        border-left: 1px solid var(--line);
        box-shadow: -30px 0 80px rgba(18, 59, 50, 0.2);
        transform: translateX(110%);
        transition: transform .32s ease;
        z-index: 95;
    }
    body.menu-open .main-nav-desktop {
        transform: translateX(0);
    }
    .main-nav-desktop .nav-link {
        font-size: 19px;
        padding: 12px 10px;
        border-bottom: 1px solid var(--line);
        border-radius: 0;
    }
    .main-nav-desktop .nav-link.active {
        color: var(--brand);
    }
    .main-nav-desktop .nav-link.active::after {
        display: none;
    }
    .main-nav-desktop .nav-link.active {
        border-left: 4px solid var(--brand);
        padding-left: 16px;
        background: var(--brandsoft);
    }
    .main-nav-desktop .nav-cta {
        margin-top: 20px;
        width: 100%;
        justify-content: center;
    }
    .hamburger {
        display: inline-flex;
        z-index: 110;
    }
    body.menu-open {
        overflow: hidden;
    }
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .category-hero {
        padding: 56px 0 60px;
    }
    .hero-visual {
        max-width: 560px;
    }
    .quick-grid {
        grid-template-columns: 1fr;
    }
    .cta-box {
        padding: 46px 34px;
    }
    .cta-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .page-section {
        padding: 60px 0;
    }
    .section-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        margin-bottom: 32px;
    }
    .section-head h2 {
        font-size: 24px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
    .footer-brand {
        grid-column: span 2;
    }
    .contact-col {
        grid-column: span 2;
    }
    .content-panel {
        padding: 26px 20px 28px;
        border-radius: 20px;
    }
    .device-row {
        grid-template-columns: 1fr;
        gap: 12px;
    }
}

@media (max-width: 520px) {
    .container-custom {
        padding-left: 16px;
        padding-right: 16px;
    }
    .logo-text-sub {
        letter-spacing: .1em;
        font-size: 10px;
    }
    .header-inner {
        min-height: 64px;
    }
    .category-hero h1 {
        font-size: 34px;
    }
    .category-hero .btn-primary,
    .category-hero .btn-secondary {
        width: 100%;
    }
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .cta-actions {
        flex-direction: column;
        width: 100%;
    }
    .cta-actions a {
        width: 100%;
    }
    .cta-box {
        border-radius: 22px;
        padding: 38px 22px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .footer-brand,
    .contact-col {
        grid-column: span 1;
    }
    .footer-grid .footer-title {
        margin-bottom: 12px;
    }
    .copyright .container-custom {
        flex-direction: column;
        text-align: center;
    }
}

/* roulang page: category2 */
:root {
    --paper: #F5F0E6;
    --surface: #FFFCF6;
    --ink: #17211C;
    --muted: #66716A;
    --line: #E3D8C7;
    --brand: #C14900;
    --brand-hover: #9C3700;
    --brand-soft: #FBE3D4;
    --brand-bright: #F2790F;
    --pine: #123B32;
    --pine-soft: #DCE8E3;
    --accent: #F4B942;
    --success: #2F9B63;
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 22px;
    --shadow-card: 0 16px 40px -28px rgba(70,42,10,.18);
    --shadow-card-hover: 0 22px 50px -28px rgba(70,42,10,.28);
  }

  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; scroll-padding-top: 100px; }
  body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
    font-size: 16px;
    line-height: 1.78;
    -webkit-font-smoothing: antialiased;
  }
  body.no-scroll { overflow: hidden; }
  img { max-width: 100%; display: block; }
  a { color: inherit; text-decoration: none; }
  button { font-family: inherit; }

  a:focus-visible,
  button:focus-visible,
  summary:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 3px;
    border-radius: 6px;
  }

  .container-custom {
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
  }

  h1, h2, h3, h4 {
    line-height: 1.3;
    font-weight: 800;
    margin: 0;
    letter-spacing: .01em;
  }

  p { margin: 0; }
  .muted { color: var(--muted); }

  .site-header {
    position: sticky;
    top: 0;
    z-index: 70;
    background: rgba(255, 252, 246, .96);
    border-bottom: 1px solid var(--line);
    transition: box-shadow .3s ease, background .3s ease;
  }
  .site-header.scrolled {
    background: rgba(255, 252, 246, .98);
    box-shadow: 0 14px 34px -20px rgba(45, 30, 5, .2);
  }
  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
    gap: 20px;
  }

  .logo-main {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
  }
  .logo-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--pine);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 900;
    box-shadow: 0 6px 14px -6px rgba(18, 59, 50, .45);
  }
  .logo-text { display: flex; flex-direction: column; line-height: 1.15; }
  .logo-text-top { font-size: 20px; font-weight: 900; letter-spacing: .04em; color: var(--pine); }
  .logo-text-sub { font-size: 11px; letter-spacing: .2em; color: var(--muted); }

  .main-nav {
    display: flex;
    align-items: center;
    gap: 6px;
  }
  .nav-link {
    position: relative;
    padding: 10px 13px;
    font-size: 15px;
    font-weight: 600;
    color: var(--ink);
    border-radius: 10px;
    transition: color .2s ease, background .2s ease, transform .2s ease;
  }
  .nav-link:hover {
    color: var(--brand);
    background: rgba(193, 73, 0, .05);
  }
  .nav-link.active {
    color: var(--brand);
    font-weight: 700;
  }
  .nav-link.active::after {
    content: "";
    position: absolute;
    left: 13px;
    right: 13px;
    bottom: 4px;
    height: 2px;
    background: var(--brand);
    border-radius: 99px;
  }
  .nav-cta {
    margin-left: 10px;
    padding: 11px 20px;
    border-radius: var(--radius-sm);
    background: var(--brand);
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    box-shadow: 0 4px 0 var(--brand-hover);
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
  }
  .nav-cta:hover {
    background: var(--brand-hover);
    transform: translateY(-1px);
    box-shadow: 0 3px 0 var(--brand-hover);
    color: #fff;
  }
  .nav-cta:active {
    transform: translateY(2px);
    box-shadow: 0 2px 0 var(--brand-hover);
  }

  .hamburger {
    display: none;
    width: 42px;
    height: 42px;
    border: none;
    background: transparent;
    border-radius: 10px;
    padding: 10px;
    cursor: pointer;
  }
  .hamburger span {
    display: block;
    height: 2px;
    background: var(--pine);
    border-radius: 99px;
    margin: 4px 0;
    transition: transform .25s ease, opacity .25s ease;
  }
  .hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .hamburger.open span:nth-child(2) { opacity: 0; }
  .hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

  .mobile-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: min(88vw, 360px);
    height: 100vh;
    background: var(--surface);
    z-index: 80;
    padding: 96px 30px 30px;
    box-shadow: -20px 0 40px rgba(40, 23, 0, .12);
    transform: translateX(102%);
    transition: transform .35s cubic-bezier(.22, .8, .26, 1);
  }
  .mobile-nav.open { transform: translateX(0); }
  .mobile-nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(20, 25, 18, .4);
    z-index: 75;
    opacity: 0;
    pointer-events: none;
    transition: opacity .3s ease;
  }
  .mobile-nav-backdrop.show { opacity: 1; pointer-events: auto; }
  .mobile-nav-links {
    display: flex;
    flex-direction: column;
  }
  .mobile-nav-links a {
    display: flex;
    align-items: center;
    min-height: 52px;
    font-size: 19px;
    font-weight: 700;
    border-bottom: 1px solid rgba(227, 216, 199, .7);
    color: var(--ink);
    transition: color .2s ease, padding-left .2s ease;
  }
  .mobile-nav-links a:hover {
    color: var(--brand);
    padding-left: 5px;
  }
  .mobile-nav-links a.active {
    position: relative;
    padding-left: 12px;
    color: var(--brand);
  }
  .mobile-nav-links a.active::before {
    content: "";
    position: absolute;
    left: 0;
    top: 14px;
    bottom: 14px;
    width: 4px;
    border-radius: 99px;
    background: var(--brand);
  }
  .mobile-close {
    position: absolute;
    top: 22px;
    right: 20px;
    font-size: 22px;
    border: 1px solid var(--line);
    background: #fff;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    cursor: pointer;
    color: var(--ink);
  }
  .mobile-close:hover { border-color: var(--brand); color: var(--brand); }

  .site-footer {
    background: var(--pine);
    color: rgba(255, 255, 255, .86);
    margin-top: 0;
    border-radius: 0;
  }
  .site-footer a {
    color: rgba(255, 255, 255, .72);
    transition: color .2s ease;
  }
  .site-footer a:hover { color: var(--accent); }
  .footer-grid {
    display: grid;
    grid-template-columns: 1.45fr .8fr .9fr 1.1fr;
    gap: 44px;
    padding-top: 72px;
    padding-bottom: 56px;
  }
  .footer-logo-icon {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: var(--pine);
    font-weight: 900;
    font-size: 20px;
    border-radius: 12px;
  }
  .footer-logo-text { display: flex; flex-direction: column; line-height: 1.15; }
  .footer-logo-text .top { font-size: 20px; font-weight: 900; color: #fff; letter-spacing: .05em; }
  .footer-logo-text .sub { font-size: 11px; letter-spacing: .22em; color: rgba(255, 255, 255, .5); }
  .footer-brand p { font-size: 14px; line-height: 1.8; color: rgba(255, 255, 255, .62); }
  .mini-tag {
    font-size: 12px;
    padding: 4px 12px;
    border-radius: 99px;
    background: rgba(255, 255, 255, .1);
    color: rgba(255, 255, 255, .6);
  }
  .footer-title {
    font-size: 15px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 18px;
    letter-spacing: .03em;
  }
  .footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 14px;
  }
  .contact-col p {
    font-size: 14px;
    line-height: 1.75;
    color: rgba(255, 255, 255, .55);
    margin-bottom: 12px;
  }
  .copyright {
    border-top: 1px solid rgba(255, 255, 255, .12);
    padding: 20px 0;
    font-size: 13px;
    color: rgba(255, 255, 255, .4);
    text-align: center;
  }

  .hero-dot-pattern {
    background-image: radial-gradient(rgba(23, 33, 28, .10) 1.4px, transparent 1.4px);
    background-size: 22px 22px;
  }
  .fingerprint-grid {
    background-color: var(--surface);
    background-image: radial-gradient(rgba(18, 59, 50, .12) 1.2px, transparent 1.2px);
    background-size: 18px 18px;
  }

  .topic-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
  }
  .topic-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: 99px;
    background: var(--surface);
    border: 1px solid var(--line);
    font-size: 14px;
    font-weight: 600;
    color: var(--ink);
    transition: .2s ease;
  }
  .topic-pill:hover {
    border-color: var(--brand);
    background: var(--brand-soft);
    color: var(--brand);
    transform: translateY(-1px);
  }
  .topic-pill .pill-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
  }

  .hero-note {
    border: 1px solid rgba(193, 73, 0, .15);
    background: #FFFFFF;
  }

  .section-space { padding-top: 80px; padding-bottom: 80px; }
  @media (min-width: 1024px) {
    .section-space { padding-top: 100px; padding-bottom: 100px; }
  }

  .faq-list-wrap {
    max-width: 860px;
    margin: 0 auto;
  }
  .faq-group + .faq-group { margin-top: 68px; }
  .faq-group-heading {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 26px;
  }
  .faq-group-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 10px;
    background: var(--pine-soft);
    color: var(--pine);
    font-weight: 800;
    font-size: 14px;
  }
  .faq-group-title {
    font-size: 24px;
    line-height: 1.3;
  }
  .faq-item {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    margin-bottom: 14px;
    overflow: hidden;
    transition: border-color .25s ease, box-shadow .25s ease;
  }
  .faq-item:hover { border-color: rgba(193, 73, 0, .35); box-shadow: var(--shadow-card); }
  .faq-item[open] {
    border-color: rgba(193, 73, 0, .34);
    box-shadow: 0 20px 44px -30px rgba(60, 27, 0, .28);
  }
  .faq-q {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 22px 26px;
    cursor: pointer;
    list-style: none;
    background: transparent;
    transition: background .2s ease;
  }
  .faq-q::-webkit-details-marker { display: none; }
  .faq-q h3 {
    font-size: 17px;
    font-weight: 700;
    line-height: 1.55;
  }
  .faq-q:hover { background: rgba(193, 73, 0, .025); }
  .faq-q:hover h3 { color: var(--brand); }
  .faq-icon {
    position: relative;
    flex: 0 0 24px;
    width: 24px;
    height: 24px;
    border-radius: 8px;
    background: var(--brand-soft);
    transition: transform .25s ease, background .25s ease;
  }
  .faq-icon::before,
  .faq-icon::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    width: 12px;
    height: 2px;
    background: var(--brand);
    border-radius: 99px;
    transform: translate(-50%, -50%);
  }
  .faq-icon::after { transform: translate(-50%, -50%) rotate(90deg); }
  .faq-item[open] .faq-icon { transform: rotate(135deg); background: var(--brand); }
  .faq-item[open] .faq-icon::before,
  .faq-item[open] .faq-icon::after { background: #fff; }
  .faq-a {
    padding: 4px 26px 26px;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.85;
  }
  .faq-a p + p { margin-top: 12px; }
  .faq-tip {
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: 13px;
    background: var(--brand-soft);
    color: var(--ink);
    font-size: 14px;
    line-height: 1.75;
  }
  .faq-tip strong { color: var(--brand); }

  .cta-card {
    background: var(--pine);
    color: #ffffff;
    position: relative;
    overflow: hidden;
    border-radius: 24px;
  }
  .cta-card-dot {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255, 255, 255, .18) 1.2px, transparent 1.2px);
    background-size: 28px 28px;
    pointer-events: none;
  }
  .cta-card h2 { font-size: 28px; }
  @media (max-width: 768px) {
    .cta-card { margin-left: 6px; margin-right: 6px; }
  }

  .button-row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    font-weight: 700;
    border-radius: var(--radius-sm);
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
  }
  .btn-primary {
    background: var(--brand);
    color: #ffffff;
    padding: 13px 26px;
    box-shadow: 0 4px 0 var(--brand-hover);
  }
  .btn-primary:hover {
    background: var(--brand-hover);
    transform: translateY(-1px);
    box-shadow: 0 3px 0 var(--brand-hover);
  }
  .btn-primary:active {
    transform: translateY(2px);
    box-shadow: 0 2px 0 var(--brand-hover);
  }
  .btn-outline-white {
    border: 1px solid rgba(255, 255, 255, .55);
    color: #ffffff;
    padding: 12px 22px;
    background: transparent;
  }
  .btn-outline-white:hover {
    border-color: #ffffff;
    background: rgba(255, 255, 255, .08);
  }
  .btn-outline-ink {
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--ink);
    padding: 13px 24px;
  }
  .btn-outline-ink:hover {
    border-color: var(--brand);
    color: var(--brand);
  }
  .btn-arrow { display: inline-flex; align-items: center; gap: 6px; color: var(--brand); font-weight: 700; }
  .btn-arrow .arrow-icon { transition: transform .25s ease; }
  .btn-arrow:hover { color: var(--brand-hover); }
  .btn-arrow:hover .arrow-icon { transform: translateX(4px); }

  .entry-box {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    padding: 24px;
  }
  .entry-index {
    width: 28px;
    height: 28px;
    flex: 0 0 28px;
    background: var(--brand-soft);
    color: var(--brand);
    font-weight: 800;
    font-size: 14px;
    border-radius: 9px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .badge-accent {
    background: var(--accent);
    color: var(--pine);
    border-radius: 99px;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .02em;
  }
  .divide-line-inner { border-top: 1px dashed var(--line); margin: 16px 0; }

  .mini-info {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 20px;
    color: var(--muted);
    font-size: 14px;
  }
  .mini-info span { display: inline-flex; align-items: center; gap: 7px; }
  .mini-info span::before {
    content: "";
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    display: inline-block;
  }

  .back-cove-visual::before {
    content: "";
    position: absolute;
    width: 160px;
    height: 200px;
    border-radius: 22px;
    right: -12px;
    bottom: -18px;
    background: var(--accent);
    z-index: 0;
  }

  .img-frame {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 26px 55px -35px rgba(16, 24, 18, .5);
  }

  @media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
    .main-nav-desktop { display: none; }
    .hamburger { display: block; }
    .header-cta-desktop { display: none; }
  }

  @media (max-width: 768px) {
    .container-custom { padding-left: 18px; padding-right: 18px; }
    .header-inner { height: 66px; }
    .logo-icon { width: 38px; height: 38px; border-radius: 10px; font-size: 20px; }
    .logo-text-top { font-size: 18px; }
    .logo-text-sub { font-size: 10px; letter-spacing: .15em; }
    .footer-grid {
      grid-template-columns: 1fr;
      gap: 32px;
      padding-top: 48px;
      padding-bottom: 36px;
    }
    .section-space { padding-top: 56px; padding-bottom: 56px; }
    .faq-q { padding: 18px 18px; }
    .faq-q h3 { font-size: 16px; }
    .faq-a { padding: 6px 18px 22px; font-size: 15px; }
  }

  @media (max-width: 520px) {
    .footer-grid { grid-template-columns: 1fr; }
    .footer-brand p, .contact-col p { font-size: 13px; }
    .footer-title { margin-bottom: 14px; }
    .cta-card h2 { font-size: 21px; }
    .hero-note { padding: 20px; }
    .topic-pill { font-size: 13px; }
  }

/* roulang page: category3 */
:root {
            --paper: #F5F0E6;
            --surface: #FFFCF6;
            --ink: #17211C;
            --muted: #66716A;
            --line: #E3D8C7;
            --brand: #C14900;
            --brand-hover: #9C3700;
            --brand-soft: #FBE3D4;
            --brand-bright: #F2790F;
            --pine: #123B32;
            --pine-soft: #DCE8E3;
            --accent: #F4B942;
            --success: #2F9B63;
            --shadow-card: 0 16px 40px -28px rgba(70, 42, 10, 0.22);
            --shadow-hover: 0 22px 50px -28px rgba(70, 42, 10, 0.3);
            --radius: 16px;
        }

        html {
            scroll-behavior: smooth;
        }

        * {
            box-sizing: border-box;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            background: var(--paper);
            color: var(--ink);
            font-size: 16px;
            line-height: 1.8;
            font-variant-numeric: tabular-nums;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease, background .2s ease, transform .2s ease, border-color .2s ease, box-shadow .2s ease;
        }

        ul,
        ol {
            margin-top: 0;
            margin-bottom: 0;
            padding-left: 0;
        }

        h1,
        h2,
        h3,
        h4 {
            margin: 0;
            font-weight: 800;
            line-height: 1.35;
        }

        button {
            font-family: inherit;
        }

        :focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 3px;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 60;
            background: rgba(255, 252, 246, .96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line);
            transition: box-shadow .2s ease;
        }

        .site-header.is-scrolled {
            box-shadow: 0 12px 30px -30px rgba(23, 33, 28, .45);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 78px;
            gap: 28px;
        }

        .logo-main {
            display: inline-flex;
            align-items: center;
            gap: 11px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 46px;
            height: 46px;
            border-radius: 14px;
            background: var(--pine);
            color: var(--accent);
            font-size: 24px;
            font-weight: 900;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            box-shadow: inset 0 -2px 0 rgba(0, 0, 0, .18);
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.08;
        }

        .logo-text-top {
            font-size: 23px;
            font-weight: 900;
            letter-spacing: .02em;
            color: var(--ink);
        }

        .logo-text-sub {
            font-size: 11px;
            letter-spacing: 1.6px;
            color: var(--brand);
            font-weight: 700;
            margin-top: 4px;
        }

        .main-nav-desktop {
            display: flex;
            align-items: center;
        }

        .main-nav-desktop .nav-link {
            position: relative;
            margin-left: 26px;
            font-size: 15px;
            font-weight: 500;
            color: #3C473F;
            padding: 10px 2px;
            white-space: nowrap;
        }

        .main-nav-desktop .nav-link:hover {
            color: var(--brand);
        }

        .main-nav-desktop .nav-link.active {
            color: var(--brand);
            font-weight: 700;
        }

        .main-nav-desktop .nav-link.active::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: -1px;
            height: 3px;
            border-radius: 99px;
            background: var(--brand);
            width: 28px;
            margin: 0 auto;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-left: 26px;
            padding: 10px 20px;
            border-radius: 12px;
            background: var(--brand);
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            box-shadow: 0 4px 0 var(--brand-hover);
            transition: background .2s, box-shadow .2s, transform .2s;
        }

        .nav-cta:hover {
            background: var(--brand-hover);
            transform: translateY(1px);
            box-shadow: 0 2px 0 var(--brand-hover);
        }

        .nav-cta:active {
            transform: translateY(3px);
            box-shadow: none;
        }

        .hamburger {
            width: 42px;
            height: 42px;
            border: 1px solid var(--line);
            background: var(--surface);
            border-radius: 12px;
            display: none;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            transition: border-color .2s, background .2s;
        }

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

        .hamburger span {
            width: 20px;
            height: 2px;
            background: var(--ink);
            display: block;
            border-radius: 99px;
            transition: transform .25s, opacity .2s;
        }

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

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

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

        /* ===== Hero Banner ===== */
        .hero-dark {
            position: relative;
            background: linear-gradient(118deg, var(--pine) 0%, #0B2922 100%);
            color: #fff;
            padding: 58px 0 66px;
            overflow: hidden;
        }

        .hero-dark::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(255, 255, 255, .14) 1px, transparent 1.4px);
            background-size: 26px 26px;
            opacity: .3;
            pointer-events: none;
        }

        .breadcrumbs {
            position: relative;
            font-size: 13px;
            color: rgba(255, 255, 255, .55);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }

        .breadcrumbs a {
            color: rgba(255, 255, 255, .7);
        }

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

        .breadcrumbs .sep {
            color: rgba(255, 255, 255, .35);
        }

        .hero-inner {
            position: relative;
            display: grid;
            grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
            align-items: center;
            gap: 52px;
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            border: 1px solid rgba(244, 185, 66, .42);
            background: rgba(244, 185, 66, .1);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 99px;
            letter-spacing: .03em;
        }

        .hero-dark h1 {
            color: #fff;
            font-size: clamp(36px, 5vw, 56px);
            line-height: 1.16;
            margin: 22px 0 18px;
            letter-spacing: .01em;
        }

        .hero-lead {
            max-width: 590px;
            color: rgba(255, 255, 255, .78);
            font-size: 17px;
            line-height: 1.85;
            margin-bottom: 26px;
        }

        .hero-points {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .hero-point {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            background: rgba(255, 255, 255, .07);
            border: 1px solid rgba(255, 255, 255, .16);
            border-radius: 13px;
            padding: 9px 15px;
            font-size: 14px;
            color: rgba(255, 255, 255, .9);
        }

        .hero-point .hp-num {
            color: var(--accent);
            font-weight: 800;
            letter-spacing: .04em;
        }

        .hero-visual {
            position: relative;
        }

        .browser-frame {
            background: var(--surface);
            border-radius: 20px;
            box-shadow: 0 28px 60px -24px rgba(0, 0, 0, .4);
            overflow: hidden;
        }

        .browser-bar {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 12px 14px;
            border-bottom: 1px solid var(--line);
            background: #FFFDF8;
        }

        .browser-dot {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: #DF9B65;
        }

        .browser-dot:nth-child(2) {
            background: #E9C078;
        }

        .browser-dot:nth-child(3) {
            background: #A8CBB8;
        }

        .browser-url {
            margin-left: 10px;
            flex: 1;
            background: var(--paper);
            border: 1px solid var(--line);
            border-radius: 8px;
            padding: 4px 12px;
            font-size: 12px;
            color: var(--muted);
            text-align: center;
            overflow: hidden;
            white-space: nowrap;
            text-overflow: ellipsis;
        }

        .browser-frame img {
            width: 100%;
            height: 240px;
            object-fit: cover;
        }

        .hero-img-note {
            color: rgba(255, 255, 255, .55);
            font-size: 13px;
            margin: 12px 2px 0;
        }

        /* ===== Prep ===== */
        .prep-area {
            padding: 70px 0 8px;
        }

        .prep-area .prep-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: 24px;
            box-shadow: var(--shadow-card);
            padding: 38px 40px 40px;
        }

        .prep-head {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            margin-bottom: 26px;
        }

        .prep-icon {
            flex: 0 0 44px;
            width: 44px;
            height: 44px;
            border-radius: 14px;
            background: var(--pine-soft);
            color: var(--pine);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 21px;
            font-weight: 900;
        }

        .prep-card h2 {
            font-size: 24px;
            color: var(--ink);
            margin-bottom: 4px;
        }

        .prep-card .prep-desc {
            color: var(--muted);
            font-size: 15px;
        }

        .prep-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            list-style: none;
            margin: 0;
        }

        .prep-list li {
            background: var(--paper);
            border: 1px solid var(--line);
            border-radius: 16px;
            padding: 20px;
            display: flex;
            gap: 14px;
            align-items: flex-start;
            transition: transform .2s, background .2s, border-color .2s;
        }

        .prep-list li:hover {
            transform: translateY(-3px);
            border-color: rgba(193, 73, 0, .35);
            background: var(--surface);
        }

        .prep-num {
            font-size: 13px;
            font-weight: 800;
            color: var(--brand);
            border: 1px solid rgba(193, 73, 0, .35);
            border-radius: 10px;
            flex: 0 0 34px;
            width: 34px;
            height: 30px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .prep-list h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .prep-list p {
            font-size: 14px;
            color: var(--muted);
            margin: 0;
            line-height: 1.75;
        }

        /* ===== Steps ===== */
        .steps-section {
            padding: 76px 0 74px;
            background: var(--paper);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: var(--brand);
            font-weight: 800;
            font-size: 13px;
            letter-spacing: .1em;
            margin-bottom: 12px;
        }

        .section-label::before {
            content: "";
            width: 22px;
            height: 2px;
            background: var(--brand);
        }

        .section-title {
            font-size: clamp(26px, 3.2vw, 36px);
            letter-spacing: -.01em;
        }

        .section-intro {
            color: var(--muted);
            font-size: 16px;
            max-width: 720px;
            margin-top: 14px;
        }

        .steps-stack {
            margin-top: 44px;
            display: flex;
            flex-direction: column;
            gap: 62px;
        }

        .step-block {
            display: grid;
            grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
            gap: 56px;
            align-items: center;
        }

        .step-visual {
            position: relative;
            order: 0;
        }

        .step-visual::after {
            content: "";
            position: absolute;
            right: -10px;
            bottom: -12px;
            width: 58%;
            height: 58%;
            border-radius: 22px;
            background: var(--pine-soft);
            z-index: 0;
        }

        .step-image {
            position: relative;
            z-index: 1;
            border-radius: 22px;
            overflow: hidden;
            background: var(--surface);
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(227, 216, 199, .7);
        }

        .step-image img {
            width: 100%;
            height: 280px;
            object-fit: cover;
        }

        .image-note {
            position: relative;
            z-index: 1;
            font-size: 13px;
            color: var(--muted);
            margin-top: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .image-note::before {
            content: "";
            width: 18px;
            height: 2px;
            background: var(--brand-bright);
        }

        .step-text {
            order: 0;
        }

        .step-count {
            display: flex;
            align-items: center;
            gap: 12px;
            color: var(--brand);
            font-weight: 900;
            font-size: 44px;
            line-height: 1;
            margin-bottom: 14px;
        }

        .step-count span {
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .16em;
            color: var(--muted);
            border-left: 2px solid var(--brand);
            padding-left: 12px;
            line-height: 2;
        }

        .step-text h3 {
            font-size: 25px;
            color: var(--ink);
            margin-bottom: 12px;
        }

        .step-text p {
            color: var(--muted);
            margin: 0 0 16px;
        }

        .check-list {
            list-style: none;
            margin: 0 0 16px;
        }

        .check-list li {
            position: relative;
            padding-left: 34px;
            margin-bottom: 10px;
            color: #3A463E;
            font-size: 15px;
        }

        .check-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            top: 2px;
            width: 22px;
            height: 22px;
            border-radius: 8px;
            background: var(--pine-soft);
            color: var(--pine);
            font-size: 13px;
            font-weight: 800;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .step-tip {
            background: var(--brand-soft);
            border-left: 4px solid var(--brand);
            border-radius: 12px;
            padding: 13px 16px;
            font-size: 14px;
            color: #5F2C0C;
            margin-top: 10px;
        }

        .step-tip strong {
            font-weight: 800;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--brand);
            font-weight: 700;
            font-size: 15px;
        }

        .text-link:hover {
            color: var(--brand-hover);
        }

        .text-link .arr {
            transition: transform .2s;
            font-style: normal;
        }

        .text-link:hover .arr {
            transform: translateX(4px);
        }

        .step-block.flip .step-visual {
            order: 2;
        }

        /* ===== Tips ===== */
        .tips-section {
            padding: 72px 0 78px;
            background: var(--surface);
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }

        .tips-grid {
            margin-top: 34px;
        }

        .tip-card {
            background: var(--paper);
            border: 1px solid var(--line);
            border-radius: 20px;
            padding: 24px 24px 26px;
            height: 100%;
            transition: transform .25s, box-shadow .25s, border-color .25s;
            box-shadow: 0 6px 20px -24px rgba(23, 33, 28, .3);
        }

        .tip-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(193, 73, 0, .3);
        }

        .tip-icon {
            width: 40px;
            height: 40px;
            background: var(--pine);
            color: var(--accent);
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 18px;
            margin-bottom: 16px;
        }

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

        .tip-card p {
            color: var(--muted);
            font-size: 14.5px;
            line-height: 1.8;
            margin: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0 90px;
            background: var(--paper);
        }

        .cta-banner {
            position: relative;
            border-radius: 28px;
            overflow: hidden;
            background-color: var(--pine);
            background-size: cover;
            background-position: center;
            padding: 54px 52px;
            color: #fff;
            box-shadow: var(--shadow-hover);
        }

        .cta-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(10, 42, 34, .94) 20%, rgba(10, 42, 34, .74) 100%);
        }

        .cta-banner>* {
            position: relative;
            z-index: 1;
        }

        .cta-banner .cta-label {
            color: var(--accent);
            font-weight: 800;
            font-size: 13px;
            letter-spacing: .12em;
        }

        .cta-banner h2 {
            color: #fff;
            font-size: clamp(24px, 3vw, 34px);
            margin: 10px 0 14px;
            max-width: 680px;
        }

        .cta-banner p {
            color: rgba(255, 255, 255, .78);
            max-width: 720px;
            margin-bottom: 26px;
        }

        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 7px;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 700;
            border: 0;
            line-height: 1.25;
            padding: 13px 23px;
            cursor: pointer;
            transition: background .2s, color .2s, border-color .2s, box-shadow .2s, transform .2s;
        }

        .btn-primary {
            background: var(--brand);
            color: #fff;
            box-shadow: 0 4px 0 var(--brand-hover);
        }

        .btn-primary:hover {
            background: var(--brand-hover);
            transform: translateY(1px);
            box-shadow: 0 2px 0 var(--brand-hover);
        }

        .btn-primary:active {
            transform: translateY(3px);
            box-shadow: none;
        }

        .btn-outline {
            border: 1px solid rgba(255, 255, 255, .35);
            color: #fff;
            background: transparent;
        }

        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-1px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0D2D26;
            color: rgba(255, 255, 255, .72);
            padding-top: 62px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr .8fr .8fr 1.2fr;
            gap: 38px;
            padding-bottom: 44px;
        }

        .footer-brand p,
        .contact-col p {
            color: rgba(255, 255, 255, .6);
            font-size: 14px;
            line-height: 1.85;
            margin: 0 0 10px;
        }

        .footer-logo-icon {
            flex: 0 0 40px;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--accent);
            color: var(--pine);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 20px;
        }

        .footer-logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.1;
        }

        .footer-logo-text .top {
            color: #fff;
            font-size: 21px;
            font-weight: 900;
        }

        .footer-logo-text .sub {
            color: var(--accent);
            font-size: 11px;
            letter-spacing: 1.3px;
            margin-top: 4px;
            font-weight: 700;
        }

        .mini-tag {
            display: inline-flex;
            align-items: center;
            background: rgba(255, 255, 255, .09);
            border: 1px solid rgba(255, 255, 255, .1);
            color: rgba(255, 255, 255, .78);
            font-size: 12px;
            padding: 4px 11px;
            border-radius: 99px;
        }

        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 800;
            margin-bottom: 15px;
            letter-spacing: .02em;
        }

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

        .footer-links a {
            display: inline-block;
            color: rgba(255, 255, 255, .58);
            width: fit-content;
            padding: 4px 0;
            font-size: 14px;
            transition: color .2s, padding-left .2s;
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 3px;
        }

        .copyright {
            background: #0A241F;
            border-top: 1px solid rgba(255, 255, 255, .12);
            color: rgba(255, 255, 255, .42);
            font-size: 13px;
            text-align: center;
            padding: 22px 0;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-inner {
                gap: 34px;
            }

            .prep-area {
                padding-top: 56px;
            }

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

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

            .footer-brand {
                grid-column: span 2;
            }

            .contact-col {
                grid-column: span 2;
            }
        }

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

            .hero-visual {
                max-width: 640px;
            }

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

            .step-block.flip .step-visual {
                order: 0;
            }

            .step-image img {
                height: 240px;
            }

            .steps-stack {
                gap: 48px;
            }
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 20px;
            }

            .main-nav-desktop {
                position: fixed;
                top: 0;
                right: 0;
                width: min(84vw, 330px);
                height: 100vh;
                background: var(--surface);
                border-left: 1px solid var(--line);
                box-shadow: -20px 0 50px rgba(23, 33, 28, .16);
                flex-direction: column;
                align-items: flex-start;
                justify-content: flex-start;
                padding: 104px 30px 32px;
                gap: 8px;
                transform: translateX(105%);
                transition: transform .28s ease;
                overflow-y: auto;
                z-index: 59;
            }

            .main-nav-desktop.open {
                transform: translateX(0);
            }

            .main-nav-desktop .nav-link {
                margin: 0;
                width: 100%;
                font-size: 18px;
                padding: 13px 2px;
                border-bottom: 1px solid rgba(227, 216, 199, .6);
                white-space: normal;
            }

            .main-nav-desktop .nav-link.active::after {
                left: 0;
                right: auto;
                width: 4px;
                height: 20px;
                top: 50%;
                transform: translateY(-50%);
                margin: 0;
                bottom: auto;
                border-radius: 4px;
                background: var(--brand);
            }

            .main-nav-desktop .nav-cta {
                margin: 18px 0 0;
                width: 100%;
            }

            .hamburger {
                display: inline-flex;
            }

            .prep-card {
                padding: 28px 24px;
            }

            .prep-head {
                flex-direction: column;
                gap: 8px;
            }

            .prep-list {
                grid-template-columns: 1fr;
            }

            .section-title {
                line-height: 1.3;
            }

            .cta-banner {
                padding: 38px 26px;
            }
        }

        @media (max-width: 560px) {
            body {
                font-size: 15px;
            }

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

            .footer-brand,
            .contact-col {
                grid-column: span 1;
            }

            .step-image img {
                height: 200px;
            }

            .hero-dark {
                padding: 42px 0 48px;
            }

            .hero-dark h1 {
                font-size: 31px;
            }

            .cta-section {
                padding: 58px 0;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: stretch;
            }

            .cta-buttons .btn {
                width: 100%;
            }

            .prep-list li {
                padding: 18px 16px;
            }
        }