/* roulang page: index */
:root {
            --primary: #1F3A2C;
            --primary-dark: #15271D;
            --primary-light: #3A5544;
            --accent: #7C4A2A;
            --amber: #C8913A;
            --amber-dark: #A9762B;
            --seal: #A23B2E;
            --bg-warm: #F2ECE1;
            --bg-card: #FAF6EE;
            --border-light: #D6CBB6;
            --text-dark: #2B2B26;
            --text-secondary: #6E6A5E;
            --text-light: #F2ECE1;
            --text-light-secondary: #B7AB96;
            --radius-large: 8px;
            --radius-small: 4px;
            --radius-btn: 2px;
            --shadow-card: 4px 4px 0 rgba(0,0,0,0.18);
            --shadow-card-hover: 6px 6px 0 rgba(0,0,0,0.22);
            --container-w: 1200px;
            --space-section: clamp(72px, 9vw, 128px);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.8;
            letter-spacing: 0.01em;
            color: var(--text-dark);
            background-color: var(--bg-warm);
            background-image: repeating-linear-gradient(0deg, rgba(31,58,44,0.025) 0 1px, transparent 1px 32px), repeating-linear-gradient(90deg, rgba(31,58,44,0.025) 0 1px, transparent 1px 32px);
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }

        .container {
            max-width: var(--container-w);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: var(--space-section) 0;
            position: relative;
        }

        .section-header {
            margin-bottom: 48px;
        }

        .section-header .pixel-marker {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
        }

        .section-header .pixel-marker::before {
            content: "";
            width: 8px;
            height: 8px;
            background: var(--amber);
            display: block;
        }

        .section-header .pixel-marker::after {
            content: "";
            width: 4px;
            height: 24px;
            background: var(--primary);
            display: block;
        }

        .section-header h2 {
            font-family: "Noto Serif SC", serif;
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 700;
            color: var(--primary);
            line-height: 1.4;
        }

        .section-header p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-top: 12px;
            max-width: 640px;
            line-height: 1.8;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(242, 236, 225, 0.55);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.25);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            background: var(--primary);
            box-shadow: 0 4px 0 rgba(0, 0, 0, 0.2);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: "Noto Serif SC", serif;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--primary);
            flex-shrink: 0;
            transition: color 0.3s ease;
        }

        .site-logo .logo-icon {
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .site-logo .logo-icon svg {
            width: 28px;
            height: 28px;
            fill: none;
            stroke: var(--primary);
            stroke-width: 2;
        }

        .site-header.scrolled .site-logo,
        .site-header.scrolled .site-logo .logo-icon svg {
            color: var(--text-light);
            stroke: var(--text-light);
        }

        .site-nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .site-nav a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-dark);
            padding: 6px 2px;
            border-bottom: 2px solid transparent;
            transition: color 0.2s ease, border-color 0.2s ease;
            position: relative;
        }

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

        .site-nav a.active {
            color: var(--primary);
            border-bottom-color: var(--amber);
            font-weight: 700;
        }

        .site-header.scrolled .site-nav a {
            color: var(--text-light-secondary);
        }

        .site-header.scrolled .site-nav a:hover {
            color: var(--text-light);
        }

        .site-header.scrolled .site-nav a.active {
            color: var(--text-light);
            border-bottom-color: var(--amber);
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .btn-nav {
            background: var(--amber);
            color: var(--primary-dark);
            border: none;
            padding: 10px 20px;
            font-weight: 700;
            font-size: 0.9rem;
            border-radius: var(--radius-btn);
            cursor: pointer;
            box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.15);
            transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
            white-space: nowrap;
        }

        .btn-nav:hover {
            background: var(--amber-dark);
            transform: translate(-1px, -1px);
            box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.2);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid var(--primary);
            width: 44px;
            height: 44px;
            border-radius: var(--radius-small);
            cursor: pointer;
            position: relative;
            z-index: 1002;
        }

        .nav-toggle .bar {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--primary);
            margin: 5px auto;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }

        .site-header.scrolled .nav-toggle {
            border-color: var(--text-light);
        }

        .site-header.scrolled .nav-toggle .bar {
            background: var(--text-light);
        }

        /* ===== Hero ===== */
        .hero-section {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            background: linear-gradient(180deg, rgba(21, 39, 29, 0.55), rgba(21, 39, 29, 0.75)), url('/assets/images/backpic/back-1.jpg') center center / cover no-repeat;
            padding: 140px 0 100px;
        }

        .hero-content {
            max-width: 780px;
            padding: 0 24px;
        }

        .hero-badge {
            display: inline-block;
            padding: 8px 16px;
            border: 2px solid rgba(242, 236, 225, 0.7);
            background: rgba(21, 39, 29, 0.6);
            color: var(--text-light);
            font-size: 0.85rem;
            letter-spacing: 0.08em;
            border-radius: var(--radius-small);
            margin-bottom: 28px;
            backdrop-filter: blur(4px);
        }

        .hero-title {
            font-family: "Noto Serif SC", serif;
            font-size: clamp(2.2rem, 5.5vw, 3.6rem);
            font-weight: 900;
            color: var(--text-light);
            line-height: 1.3;
            margin-bottom: 18px;
        }

        .hero-divider {
            width: 100%;
            max-width: 420px;
            height: 8px;
            background: repeating-linear-gradient(90deg, var(--amber) 0 8px, transparent 8px 16px);
            margin: 24px 0;
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(242, 236, 225, 0.9);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 540px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 48px;
        }

        .btn-primary-hero {
            background: var(--amber);
            color: var(--primary-dark);
            border: none;
            padding: 14px 32px;
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-btn);
            cursor: pointer;
            box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.25);
            transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
        }

        .btn-primary-hero:hover {
            background: var(--amber-dark);
            transform: translate(-2px, -2px);
            box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.3);
        }

        .btn-outline-hero {
            background: transparent;
            color: var(--text-light);
            border: 2px solid rgba(242, 236, 225, 0.8);
            padding: 12px 28px;
            font-weight: 500;
            font-size: 1rem;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: background 0.2s ease, border-color 0.2s ease;
        }

        .btn-outline-hero:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--text-light);
        }

        .hero-data-row {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
        }

        .hero-data-item {
            color: var(--text-light);
        }

        .hero-data-item .num {
            font-family: "JetBrains Mono", monospace;
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--amber);
        }

        .hero-data-item .label {
            font-size: 0.85rem;
            color: var(--text-light-secondary);
            margin-left: 6px;
        }

        .hero-scroll-hint {
            position: absolute;
            bottom: 28px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            flex-direction: column;
            align-items: center;
            color: rgba(242, 236, 225, 0.7);
            font-size: 0.85rem;
            gap: 4px;
            animation: float 2s ease-in-out infinite;
        }

        .hero-scroll-hint .box {
            width: 32px;
            height: 32px;
            border: 2px solid rgba(242, 236, 225, 0.6);
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-small);
        }

        @keyframes float {
            0%,
            100% {
                transform: translateX(-50%) translateY(0);
            }
            50% {
                transform: translateX(-50%) translateY(8px);
            }
        }

        /* ===== 指标看板 ===== */
        .metrics-section {
            background: var(--primary-dark);
            padding: var(--space-section) 0;
            position: relative;
        }

        .metrics-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: repeating-linear-gradient(0deg, rgba(255,255,255,0.04) 0 1px, transparent 1px 32px), repeating-linear-gradient(90deg, rgba(255,255,255,0.04) 0 1px, transparent 1px 32px);
            pointer-events: none;
        }

        .metrics-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            flex-wrap: wrap;
            gap: 24px;
            margin-bottom: 48px;
            position: relative;
            z-index: 1;
        }

        .metrics-header h2 {
            font-family: "Noto Serif SC", serif;
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            color: var(--text-light);
            font-weight: 700;
        }

        .metrics-header p {
            color: var(--text-light-secondary);
            font-size: 0.95rem;
            max-width: 420px;
            line-height: 1.8;
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            position: relative;
            z-index: 1;
        }

        .metric-card {
            padding: 32px 24px;
            border-right: 1px solid var(--primary-light);
            text-align: center;
        }

        .metric-card:last-child {
            border-right: none;
        }

        .metric-icon {
            width: 40px;
            height: 40px;
            margin: 0 auto 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid var(--amber);
            border-radius: var(--radius-small);
        }

        .metric-icon svg {
            width: 20px;
            height: 20px;
            fill: none;
            stroke: var(--amber);
            stroke-width: 2;
        }

        .metric-number {
            font-family: "JetBrains Mono", monospace;
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--amber);
            line-height: 1.2;
        }

        .metric-number .unit {
            font-size: 1.2rem;
        }

        .metric-divider {
            width: 8px;
            height: 2px;
            background: var(--amber);
            margin: 12px auto;
        }

        .metric-label {
            color: var(--text-light);
            font-weight: 500;
            font-size: 1rem;
            margin-bottom: 4px;
        }

        .metric-desc {
            color: var(--text-light-secondary);
            font-size: 0.85rem;
            line-height: 1.5;
        }

        /* ===== 服务矩阵 ===== */
        .services-section {
            background: var(--bg-warm);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background: var(--bg-card);
            border: 2px solid var(--border-light);
            border-radius: var(--radius-large);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
            position: relative;
            clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
        }

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

        .service-card .corner-arrow {
            position: absolute;
            bottom: 16px;
            right: 16px;
            font-size: 1.2rem;
            color: var(--text-secondary);
            transition: color 0.2s ease, transform 0.2s ease;
        }

        .service-card:hover .corner-arrow {
            color: var(--amber);
            transform: translateX(4px);
        }

        .service-icon {
            width: 48px;
            height: 48px;
            background: var(--bg-warm);
            border: 2px solid var(--border-light);
            border-radius: var(--radius-small);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
        }

        .service-icon svg {
            width: 24px;
            height: 24px;
            fill: none;
            stroke: var(--primary);
            stroke-width: 2;
        }

        .service-card h3 {
            font-family: "Noto Serif SC", serif;
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .service-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .service-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }

        .service-tag {
            padding: 2px 8px;
            border: 2px solid var(--accent);
            border-radius: var(--radius-btn);
            font-size: 0.8rem;
            color: var(--accent);
            white-space: nowrap;
        }

        .service-price {
            font-family: "JetBrains Mono", monospace;
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--primary);
        }

        /* ===== 结果对比 ===== */
        .compare-section {
            background: var(--bg-card);
            position: relative;
        }

        .compare-top {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            margin-bottom: 64px;
        }

        .compare-card {
            background: var(--bg-card);
            border: 2px solid var(--border-light);
            border-radius: var(--radius-large);
            padding: 36px;
            box-shadow: var(--shadow-card);
        }

        .compare-card.traditional {
            filter: saturate(0.5);
            background: #EAE4DA;
        }

        .compare-card.premium {
            border-color: var(--amber);
            box-shadow: 4px 4px 0 rgba(200, 145, 58, 0.25);
        }

        .compare-card h3 {
            font-family: "Noto Serif SC", serif;
            font-size: 1.25rem;
            color: var(--primary);
            margin-bottom: 20px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--border-light);
        }

        .compare-card.premium h3 {
            border-bottom-color: var(--amber);
        }

        .compare-list {
            list-style: none;
        }

        .compare-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--text-dark);
            padding: 10px 0;
            line-height: 1.6;
        }

        .compare-list li .marker {
            flex-shrink: 0;
            font-size: 1rem;
            line-height: 1.6;
            color: var(--text-secondary);
        }

        .compare-list li .marker.filled {
            color: var(--amber);
        }

        .compare-bottom {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }

        .plan-card {
            background: var(--bg-card);
            border: 2px solid var(--border-light);
            border-radius: var(--radius-large);
            padding: 32px 24px;
            box-shadow: var(--shadow-card);
            text-align: center;
            position: relative;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }

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

        .plan-card.featured {
            border-color: var(--amber);
            transform: scale(1.05);
            box-shadow: 6px 6px 0 rgba(200, 145, 58, 0.3);
            z-index: 2;
        }

        .plan-card.featured:hover {
            transform: scale(1.05) translateY(-4px);
        }

        .plan-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--amber);
            color: var(--primary-dark);
            font-size: 0.8rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-btn);
            white-space: nowrap;
        }

        .plan-name {
            font-family: "Noto Serif SC", serif;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .plan-price {
            font-family: "JetBrains Mono", monospace;
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--amber);
            margin-bottom: 16px;
        }

        .plan-price .unit {
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        .plan-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 16px;
            line-height: 1.6;
        }

        .plan-features {
            list-style: none;
            text-align: left;
            margin-bottom: 20px;
        }

        .plan-features li {
            font-size: 0.85rem;
            padding: 6px 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .plan-features li::before {
            content: "▸";
            color: var(--accent);
        }

        .btn-plan {
            display: inline-block;
            padding: 10px 24px;
            border: 2px solid var(--primary);
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
            transition: background 0.2s ease, color 0.2s ease;
        }

        .btn-plan:hover {
            background: var(--primary);
            color: var(--text-light);
        }

        .plan-card.featured .btn-plan {
            background: var(--amber);
            border-color: var(--amber);
            color: var(--primary-dark);
        }

        .plan-card.featured .btn-plan:hover {
            background: var(--amber-dark);
            border-color: var(--amber-dark);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: #E9E1D4;
            position: relative;
            overflow: hidden;
        }

        .faq-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 32px;
            background: repeating-linear-gradient(90deg, var(--amber) 0 16px, transparent 16px 32px);
            opacity: 0.3;
        }

        .faq-wrapper {
            display: grid;
            grid-template-columns: 320px 1fr;
            gap: 48px;
        }

        .faq-sidebar {
            position: sticky;
            top: 110px;
            align-self: flex-start;
        }

        .faq-sidebar h2 {
            font-family: "Noto Serif SC", serif;
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            color: var(--primary);
            margin-bottom: 16px;
        }

        .faq-sidebar p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .faq-sidebar .contact-tip {
            background: var(--bg-card);
            border: 2px solid var(--border-light);
            border-radius: var(--radius-small);
            padding: 16px;
            font-size: 0.9rem;
            color: var(--primary);
            box-shadow: var(--shadow-card);
        }

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

        .faq-item {
            background: var(--bg-card);
            border: 2px solid var(--border-light);
            border-radius: var(--radius-small);
            overflow: hidden;
            transition: border-color 0.2s ease;
        }

        .faq-item:hover {
            border-color: var(--accent);
        }

        .faq-item.open {
            border-color: var(--amber);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 20px;
            cursor: pointer;
            font-weight: 500;
            font-size: 0.98rem;
            color: var(--text-dark);
            transition: color 0.2s ease;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }

        .faq-question:hover {
            color: var(--accent);
        }

        .faq-icon {
            width: 24px;
            height: 24px;
            border: 2px solid var(--seal);
            border-radius: var(--radius-btn);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            font-weight: 700;
            color: var(--seal);
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--seal);
            color: white;
        }

        .faq-answer {
            display: none;
            padding: 0 20px 20px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.8;
            border-left: 2px solid var(--amber);
            margin-left: 20px;
            padding-left: 20px;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* ===== 转化表单 ===== */
        .contact-section {
            background: var(--primary);
            position: relative;
            padding: var(--space-section) 0;
        }

        .contact-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: repeating-linear-gradient(0deg, rgba(255,255,255,0.04) 0 1px, transparent 1px 32px), repeating-linear-gradient(90deg, rgba(255,255,255,0.04) 0 1px, transparent 1px 32px);
            pointer-events: none;
        }

        .contact-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            position: relative;
            z-index: 1;
            align-items: center;
        }

        .contact-info h2 {
            font-family: "Noto Serif SC", serif;
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            color: var(--text-light);
            margin-bottom: 20px;
        }

        .contact-info p {
            color: var(--text-light-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .contact-info-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .contact-info-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: var(--text-light);
            font-size: 0.95rem;
        }

        .contact-info-list .icon {
            width: 28px;
            height: 28px;
            border: 2px solid var(--amber);
            border-radius: var(--radius-btn);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .contact-info-list .icon svg {
            width: 14px;
            height: 14px;
            fill: none;
            stroke: var(--amber);
            stroke-width: 2.5;
        }

        .contact-form-card {
            background: var(--bg-card);
            border: 2px solid var(--border-light);
            border-radius: var(--radius-large);
            padding: 36px;
            box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.3);
        }

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

        .form-group label {
            display: block;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-dark);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--border-light);
            border-radius: 0;
            background: white;
            font-size: 0.95rem;
            color: var(--text-dark);
            transition: border-color 0.2s ease;
            box-shadow: none;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 2px 2px 0 rgba(124, 74, 42, 0.15);
        }

        .form-group textarea {
            resize: vertical;
            min-height: 80px;
        }

        .btn-submit {
            width: 100%;
            background: var(--amber);
            color: var(--primary-dark);
            border: none;
            padding: 14px 24px;
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-btn);
            cursor: pointer;
            box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.15);
            transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
        }

        .btn-submit:hover {
            background: var(--amber-dark);
            transform: translate(-2px, -2px);
            box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.2);
        }

        /* ===== 资讯区 ===== */
        .news-section {
            background: var(--bg-warm);
        }

        .news-wrapper {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 48px;
        }

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

        .news-item {
            display: flex;
            align-items: baseline;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-light);
            gap: 16px;
            transition: padding-left 0.2s ease;
        }

        .news-item:hover {
            padding-left: 8px;
        }

        .news-item .date {
            font-family: "JetBrains Mono", monospace;
            font-size: 0.8rem;
            color: var(--accent);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .news-item a {
            font-size: 0.95rem;
            color: var(--text-dark);
            font-weight: 500;
            transition: color 0.2s ease;
            line-height: 1.6;
        }

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

        .news-sidebar {
            background: var(--bg-card);
            border: 2px solid var(--border-light);
            border-radius: var(--radius-large);
            padding: 28px;
            box-shadow: var(--shadow-card);
        }

        .news-sidebar h3 {
            font-family: "Noto Serif SC", serif;
            font-size: 1.1rem;
            color: var(--primary);
            margin-bottom: 20px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--border-light);
        }

        .news-sidebar ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .news-sidebar ul li a {
            font-size: 0.9rem;
            color: var(--text-dark);
            display: block;
            transition: color 0.2s ease;
            line-height: 1.6;
        }

        .news-sidebar ul li a:hover {
            color: var(--accent);
        }

        .news-sidebar .topic-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 2px solid var(--border-light);
        }

        .topic-tags a {
            font-size: 0.8rem;
            padding: 4px 10px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-btn);
            color: var(--text-secondary);
            transition: all 0.2s ease;
        }

        .topic-tags a:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        /* ===== 渠道卖点 ===== */
        .channel-section {
            background: var(--primary-dark);
            color: var(--text-light);
        }

        .channel-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            margin-bottom: 48px;
        }

        .channel-item {
            border-left: 2px solid var(--amber);
            padding: 20px 24px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 0 var(--radius-small) var(--radius-small) 0;
        }

        .channel-item .step {
            font-family: "JetBrains Mono", monospace;
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--amber);
            margin-bottom: 8px;
        }

        .channel-item h3 {
            font-family: "Noto Serif SC", serif;
            font-size: 1.1rem;
            margin-bottom: 10px;
            color: var(--text-light);
        }

        .channel-item p {
            font-size: 0.9rem;
            color: var(--text-light-secondary);
            line-height: 1.7;
        }

        .channel-cta {
            text-align: center;
            color: var(--text-light-secondary);
            font-size: 0.95rem;
        }

        /* ===== 卖点三连 ===== */
        .selling-section {
            background: var(--bg-warm);
        }

        .selling-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .selling-card {
            background: var(--bg-card);
            border: 2px solid var(--border-light);
            border-radius: var(--radius-large);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }

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

        .selling-card .icon {
            color: var(--amber);
            font-size: 1.2rem;
            border: 2px solid var(--amber);
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-btn);
            margin-bottom: 18px;
        }

        .selling-card h3 {
            font-family: "Noto Serif SC", serif;
            font-size: 1.1rem;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .selling-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary-dark);
            color: var(--text-light-secondary);
            padding: 72px 0 24px;
            border-top: 2px solid var(--amber);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 1fr;
            gap: 48px;
            margin-bottom: 48px;
        }

        .footer-brand .logo-text {
            font-family: "Noto Serif SC", serif;
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.8;
            max-width: 300px;
        }

        .footer-links h4,
        .footer-contact h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 16px;
        }

        .footer-links ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links ul li a {
            font-size: 0.9rem;
            color: var(--text-light-secondary);
            transition: color 0.2s ease;
        }

        .footer-links ul li a:hover {
            color: var(--amber);
        }

        .footer-contact p {
            font-size: 0.9rem;
            line-height: 1.8;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }

        .footer-bottom p {
            font-size: 0.8rem;
        }

        .pixel-tea {
            display: flex;
            gap: 4px;
        }

        .pixel-tea span {
            width: 8px;
            height: 8px;
            background: var(--amber);
            display: block;
        }

        .pixel-tea span:nth-child(2) {
            margin-top: 4px;
            opacity: 0.7;
        }

        .pixel-tea span:nth-child(3) {
            margin-top: 8px;
            opacity: 0.5;
        }

        /* ===== 移动端 ===== */
        @media (max-width: 1023px) {
            .nav-toggle {
                display: block;
            }

            .site-nav {
                position: fixed;
                top: 0;
                right: -100%;
                width: 80%;
                max-width: 360px;
                height: 100vh;
                background: var(--primary-dark);
                flex-direction: column;
                align-items: flex-start;
                padding: 100px 40px 40px;
                gap: 0;
                z-index: 1001;
                transition: right 0.3s ease;
                box-shadow: -4px 0 0 rgba(0, 0, 0, 0.2);
            }

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

            .site-nav a {
                color: var(--text-light) !important;
                font-size: 1.1rem;
                line-height: 3;
                display: block;
                border-bottom: 2px solid transparent;
            }

            .site-nav a.active {
                color: var(--amber) !important;
                border-bottom-color: var(--amber);
            }

            .nav-cta .btn-nav {
                display: none;
            }

            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }

            .metric-card {
                border-right: none;
                border-bottom: 1px solid var(--primary-light);
                padding: 20px;
            }

            .metric-card:nth-child(3) {
                border-bottom: none;
            }

            .metric-card:nth-child(4) {
                border-bottom: none;
            }

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

            .compare-top {
                grid-template-columns: 1fr;
            }

            .compare-bottom {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin: 0 auto;
            }

            .plan-card.featured {
                transform: scale(1.02);
            }

            .contact-wrapper {
                grid-template-columns: 1fr;
                gap: 48px;
            }

            .news-wrapper {
                grid-template-columns: 1fr;
            }

            .faq-wrapper {
                grid-template-columns: 1fr;
            }

            .faq-sidebar {
                position: static;
            }

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

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

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

        @media (max-width: 767px) {
            .container {
                padding: 0 16px;
            }

            .section-header h2 {
                font-size: 1.5rem;
            }

            .hero-title {
                font-size: 2.2rem;
            }

            .hero-subtitle {
                font-size: 1rem;
            }

            .hero-actions {
                flex-direction: column;
            }

            .hero-actions .btn-primary-hero,
            .hero-actions .btn-outline-hero {
                width: 100%;
                text-align: center;
            }

            .hero-data-row {
                gap: 16px;
                justify-content: space-between;
            }

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

            .metric-number {
                font-size: 1.8rem;
            }

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

            .compare-card {
                padding: 24px;
            }

            .contact-form-card {
                padding: 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .site-logo .logo-text {
                font-size: 0.95rem;
            }

            .hero-scroll-hint {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr;
            }

            .metric-card {
                border-bottom: 1px solid var(--primary-light);
            }

            .metric-card:last-child {
                border-bottom: none;
            }

            .site-nav {
                width: 100%;
                max-width: none;
            }

            .compare-bottom {
                grid-template-columns: 1fr;
            }

            .news-item {
                flex-direction: column;
                gap: 4px;
            }
        }

/* roulang page: category1 */
/* ===== CSS Variables ===== */
:root {
  --primary: #1F3A2C;
  --primary-dark: #15271D;
  --secondary: #7C4A2A;
  --accent: #C8913A;
  --accent-dark: #A9762B;
  --red: #A23B2E;
  --bg: #F2ECE1;
  --card-bg: #FAF6EE;
  --text: #2B2B26;
  --text-sub: #6E6A5E;
  --text-light: #F2ECE1;
  --text-light-sub: #B7AB96;
  --border: #D6CBB6;
  --border-dark: #3A5544;
  --shadow-sm: 2px 2px 0 rgba(0,0,0,0.14);
  --shadow: 4px 4px 0 rgba(0,0,0,0.18);
  --shadow-lg: 6px 6px 0 rgba(0,0,0,0.22);
  --radius: 8px;
  --radius-sm: 4px;
  --radius-btn: 2px;
  --header-h: 72px;
  --section-gap: clamp(72px, 9vw, 128px);
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 150px; }
body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: 0.01em;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    repeating-linear-gradient(0deg, rgba(31,58,44,0.03) 0 1px, transparent 1px 32px),
    repeating-linear-gradient(90deg, rgba(31,58,44,0.03) 0 1px, transparent 1px 32px);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
h1, h2, h3, h4 {
  font-family: "Noto Serif SC", "Source Han Serif SC", serif;
  line-height: 1.35;
}
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== Pixel Mark ===== */
.pixel-mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.pixel-mark::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--accent);
  flex-shrink: 0;
}
.pixel-mark::after {
  content: "";
  display: inline-block;
  width: 4px;
  height: 24px;
  background: var(--secondary);
  flex-shrink: 0;
  margin-left: 4px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  border-radius: var(--radius-btn);
  border: 2px solid transparent;
  transition: all 0.25s ease;
  box-shadow: var(--shadow);
  min-height: 44px;
}
.btn:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}
.btn-primary {
  background: var(--primary);
  color: var(--text-light);
  border-color: var(--primary);
}
.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.btn-line {
  background: transparent;
  color: var(--primary);
  border-color: var(--secondary);
}
.btn-line:hover {
  background: rgba(124,74,42,0.08);
  border-color: var(--secondary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.btn-accent {
  background: var(--accent);
  color: var(--primary-dark);
  border-color: var(--accent);
}
.btn-accent:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.btn-line-light {
  background: transparent;
  color: var(--text-light);
  border-color: rgba(242,236,225,0.8);
}
.btn-line-light:hover {
  background: rgba(242,236,225,0.15);
  border-color: var(--text-light);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.btn-lg { padding: 16px 40px; font-size: 17px; }

/* ===== Header Navigation ===== */
.site-header {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(242,236,225,0.5);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,0.25);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.site-header.scrolled {
  background: var(--primary);
  box-shadow: 0 4px 0 rgba(0,0,0,0.2);
}
.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  transition: color 0.3s;
}
.site-header.scrolled .site-logo { color: var(--text-light); }
.logo-icon svg {
  width: 28px; height: 28px;
  fill: none;
  stroke: var(--secondary);
  stroke-width: 1.6;
  transition: stroke 0.3s;
}
.site-header.scrolled .logo-icon svg { stroke: var(--accent); }
.logo-text {
  font-family: "Noto Serif SC", serif;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.site-nav a {
  position: relative;
  display: inline-block;
  padding: 8px 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  border-radius: var(--radius-btn);
  transition: color 0.2s, background 0.2s;
}
.site-header.scrolled .site-nav a { color: var(--text-light); }
.site-nav a:hover { color: var(--secondary); }
.site-header.scrolled .site-nav a:hover { color: var(--accent); }
.site-nav a.active {
  color: var(--secondary);
  background: rgba(124,74,42,0.08);
}
.site-header.scrolled .site-nav a.active {
  color: var(--accent);
  background: rgba(200,145,58,0.18);
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}
.btn-nav {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 20px;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  border: 2px solid var(--primary);
  border-radius: var(--radius-btn);
  background: transparent;
  transition: all 0.25s ease;
}
.site-header.scrolled .btn-nav {
  color: var(--primary-dark);
  border-color: var(--accent);
  background: var(--accent);
}
.btn-nav:hover { box-shadow: var(--shadow); transform: translateY(-1px); }
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 44px; height: 44px;
  padding: 10px;
  border: 2px solid var(--primary);
  border-radius: var(--radius-btn);
}
.site-header.scrolled .nav-toggle { border-color: var(--text-light); }
.nav-toggle .bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--primary);
  transition: transform 0.3s, opacity 0.3s, background 0.3s;
}
.site-header.scrolled .nav-toggle .bar { background: var(--text-light); }
.nav-toggle[aria-expanded="true"] .bar:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .bar:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ===== Category Hero ===== */
.category-hero {
  position: relative;
  min-height: 62vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 60px) 0 72px;
  background: linear-gradient(180deg, rgba(21,39,29,0.5) 0%, rgba(21,39,29,0.78) 100%), url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
  color: var(--text-light);
  border-bottom: 3px solid var(--accent);
}
.category-hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-light-sub);
  margin-bottom: 20px;
}
.breadcrumb a { color: var(--text-light-sub); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb-sep { opacity: 0.6; }
.breadcrumb .current { color: var(--text-light); }
.category-hero-text h1 {
  font-size: clamp(2rem, 4.2vw, 3.2rem);
  font-weight: 900;
  letter-spacing: 0.02em;
  line-height: 1.25;
  margin-bottom: 20px;
}
.category-hero-sub {
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-light-sub);
  max-width: 460px;
  margin-bottom: 32px;
}
.category-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid rgba(242,236,225,0.25);
}
.hero-trust span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-light-sub);
}
.hero-trust span::before {
  content: "■";
  font-size: 10px;
  color: var(--accent);
}
.category-hero-media {
  position: relative;
}
.category-hero-media img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--radius);
  border: 2px solid rgba(242,236,225,0.5);
  box-shadow: var(--shadow-lg);
}
.hero-media-badge {
  position: absolute;
  top: -14px;
  right: -10px;
  display: inline-block;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary-dark);
  background: var(--accent);
  border: 2px solid var(--primary-dark);
  border-radius: var(--radius-btn);
  box-shadow: var(--shadow-sm);
  transform: rotate(2deg);
}

/* ===== Anchor Bar ===== */
.anchor-bar {
  position: sticky;
  top: var(--header-h);
  width: 100%;
  z-index: 950;
  background: var(--card-bg);
  border-bottom: 2px solid var(--border);
  box-shadow: 0 2px 0 rgba(0,0,0,0.06);
}
.anchor-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 12px 24px;
}
.anchor-wrap::-webkit-scrollbar { display: none; }
.anchor-link {
  flex-shrink: 0;
  display: inline-block;
  padding: 6px 18px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  border: 2px solid var(--border);
  border-radius: var(--radius-btn);
  background: transparent;
  transition: all 0.2s ease;
}
.anchor-link:hover {
  border-color: var(--secondary);
  color: var(--secondary);
  transform: translateY(-1px);
}
.anchor-link.active {
  border-color: var(--primary);
  background: var(--primary);
  color: var(--text-light);
}
.anchor-link.anchor-cta {
  margin-left: auto;
  border-color: var(--accent);
  background: var(--accent);
  color: var(--primary-dark);
  font-weight: 700;
}
.anchor-link.anchor-cta:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
}

/* ===== Section Base ===== */
.section-block {
  padding: var(--section-gap) 0;
}
.section-head {
  margin-bottom: 48px;
}
.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 900;
  color: var(--primary);
  letter-spacing: 0.01em;
  margin-bottom: 12px;
}
.section-head p {
  font-size: 16px;
  color: var(--text-sub);
  max-width: 560px;
  line-height: 1.8;
}

/* ===== Env Section ===== */
.env-section { background: var(--bg); }
.env-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.env-media {
  position: relative;
}
.env-media img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--radius);
  border: 2px solid var(--border);
  box-shadow: var(--shadow);
}
.env-media-border {
  position: absolute;
  top: 14px; left: -14px;
  right: 14px; bottom: -14px;
  border: 2px solid var(--secondary);
  border-radius: var(--radius);
  z-index: -1;
}
.env-info h3 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 16px;
}
.env-info p {
  font-size: 16px;
  color: var(--text-sub);
  line-height: 1.9;
  margin-bottom: 20px;
}
.env-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 28px;
}
.env-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
}
.env-list li::before {
  content: "□";
  font-family: "JetBrains Mono", monospace;
  font-size: 14px;
  color: var(--secondary);
  margin-top: 4px;
  flex-shrink: 0;
}

/* ===== Teas Section ===== */
.teas-section { background: #F7F1E6; }
.teas-banner {
  margin-bottom: 40px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 2px solid var(--border);
  box-shadow: var(--shadow);
}
.teas-banner img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}
.teas-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.tea-card {
  background: var(--card-bg);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  transition: all 0.25s ease;
  position: relative;
}
.tea-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.tea-card-icon {
  width: 48px; height: 48px;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
}
.tea-card-icon svg {
  width: 26px; height: 26px;
  fill: none;
  stroke: var(--secondary);
  stroke-width: 1.8;
}
.tea-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}
.tea-card > p {
  font-size: 14.5px;
  color: var(--text-sub);
  line-height: 1.75;
  margin-bottom: 18px;
}
.tea-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.tag {
  display: inline-block;
  padding: 2px 10px;
  font-size: 12px;
  font-weight: 500;
  color: var(--secondary);
  border: 2px solid var(--secondary);
  border-radius: var(--radius-btn);
  background: transparent;
  line-height: 1.6;
}
.tea-price {
  font-family: "JetBrains Mono", monospace;
  font-size: 15px;
  font-weight: 700;
  color: var(--primary);
}

/* ===== Tea Art Section ===== */
.art-section {
  background: var(--primary-dark);
  color: var(--text-light);
  position: relative;
}
.art-section .section-head h2 { color: var(--text-light); }
.art-section .section-head p { color: var(--text-light-sub); }
.art-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.step-item {
  background: rgba(242,236,225,0.05);
  border: 2px solid var(--border-dark);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color 0.25s, transform 0.25s;
  position: relative;
}
.step-item:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}
.step-num {
  display: inline-block;
  font-family: "JetBrains Mono", monospace;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  border: 2px solid var(--accent);
  border-radius: var(--radius-btn);
  padding: 2px 10px;
  margin-bottom: 16px;
  background: rgba(200,145,58,0.1);
}
.step-content h3 {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 8px;
}
.step-content p {
  font-size: 14px;
  color: var(--text-light-sub);
  line-height: 1.75;
}

/* ===== Plans Section ===== */
.plans-section { background: var(--bg); }
.plans-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}
.plan-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--card-bg);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px 30px;
  box-shadow: var(--shadow);
  transition: all 0.25s ease;
}
.plan-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: var(--accent);
}
.plan-featured {
  border-color: var(--accent);
  background: #FFF9EF;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  transform: scale(1.03);
  z-index: 1;
}
.plan-featured:hover {
  transform: scale(1.03) translateY(-3px);
}
.plan-badge {
  position: absolute;
  top: 18px; right: 12px;
  display: inline-block;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-light);
  background: var(--red);
  border-radius: var(--radius-btn);
  box-shadow: var(--shadow-sm);
}
.plan-card h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 6px;
}
.plan-desc {
  font-size: 14px;
  color: var(--text-sub);
  margin-bottom: 18px;
  min-height: 40px;
}
.plan-price {
  font-family: "JetBrains Mono", monospace;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--border);
}
.plan-price span {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-sub);
}
.plan-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
  flex-grow: 1;
}
.plan-list li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text);
}
.plan-list li::before {
  content: "▣";
  position: absolute;
  left: 0;
  font-family: "JetBrains Mono", monospace;
  color: var(--secondary);
}
.plan-featured .plan-list li::before { color: var(--accent); }
.plan-card .btn { width: 100%; }

/* ===== Cross Section ===== */
.cross-section { background: #F7F1E6; border-top: 2px solid var(--border); }
.cross-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.cross-card {
  display: flex;
  flex-direction: column;
  padding: 28px 24px;
  background: var(--card-bg);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: all 0.25s ease;
}
.cross-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.cross-icon {
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  border: 2px solid var(--border);
  border-radius: var(--radius-btn);
  margin-bottom: 16px;
}
.cross-icon svg {
  width: 22px; height: 22px;
  stroke: var(--secondary);
  fill: none;
  stroke-width: 1.8;
}
.cross-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}
.cross-card p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  flex-grow: 1;
}
.cross-link {
  display: inline-block;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 700;
  color: var(--secondary);
  transition: transform 0.2s, color 0.2s;
}
.cross-card:hover .cross-link {
  color: var(--accent-dark);
  transform: translateX(4px);
}

/* ===== FAQ Section ===== */
.faq-section {
  background: var(--bg);
  position: relative;
  overflow: hidden;
}
.faq-section::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 24px;
  background: repeating-linear-gradient(90deg, var(--accent) 0 12px, transparent 12px 24px);
  opacity: 0.7;
}
.faq-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 56px;
  align-items: start;
}
.faq-intro h2 {
  font-size: clamp(1.6rem, 2.8vw, 2.1rem);
  font-weight: 900;
  color: var(--primary);
  line-height: 1.4;
  margin-bottom: 16px;
}
.faq-intro p {
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.8;
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: var(--card-bg);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.faq-item:hover { border-color: var(--secondary); }
.faq-item.active {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  text-align: left;
  line-height: 1.6;
  transition: color 0.2s;
}
.faq-question:hover { color: var(--secondary); }
.faq-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 28px; height: 28px;
  font-size: 18px;
  font-family: "JetBrains Mono", monospace;
  font-weight: 700;
  color: var(--red);
  border: 2px solid var(--red);
  border-radius: var(--radius-btn);
  transition: transform 0.25s;
}
.faq-item.active .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}
.faq-answer p {
  font-size: 14.5px;
  color: var(--text-sub);
  line-height: 1.75;
  border-left: 2px solid var(--accent);
  padding-left: 16px;
}

/* ===== CTA Bar ===== */
.cta-bar {
  background: var(--primary);
  padding: 60px 0;
  border-top: 2px solid var(--accent);
  position: relative;
}
.cta-bar::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-image:
    repeating-linear-gradient(0deg, rgba(242,236,225,0.02) 0 1px, transparent 1px 32px),
    repeating-linear-gradient(90deg, rgba(242,236,225,0.02) 0 1px, transparent 1px 32px);
  pointer-events: none;
}
.cta-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}
.cta-text h2 {
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  font-weight: 900;
  color: var(--text-light);
  margin-bottom: 8px;
}
.cta-text p {
  font-size: 15px;
  color: var(--text-light-sub);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--primary-dark);
  color: var(--text-light);
  padding: 64px 0 28px;
  border-top: 2px solid var(--accent);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border-dark);
}
.footer-brand .logo-text {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: "Noto Serif SC", serif;
  font-size: 20px;
  font-weight: 900;
  color: var(--text-light);
  margin-bottom: 14px;
}
.footer-brand .logo-text svg {
  flex-shrink: 0;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text-light-sub);
  line-height: 1.8;
  max-width: 320px;
}
.footer-links h4,
.footer-contact h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 10px;
}
.footer-links h4::after,
.footer-contact h4::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0;
  width: 24px; height: 2px;
  background: var(--accent);
}
.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  font-size: 14px;
  color: var(--text-light-sub);
  transition: color 0.2s, padding-left 0.2s;
}
.footer-links a:hover {
  color: var(--accent);
  padding-left: 4px;
}
.footer-contact p {
  font-size: 14px;
  color: var(--text-light-sub);
  line-height: 2;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
}
.footer-bottom p {
  font-size: 13px;
  color: var(--text-light-sub);
}
.pixel-tea {
  display: flex;
  gap: 6px;
}
.pixel-tea span {
  display: inline-block;
  width: 10px; height: 10px;
  background: var(--accent);
  border-radius: 1px;
}
.pixel-tea span:nth-child(2) { background: var(--secondary); }
.pixel-tea span:nth-child(3) { background: var(--text-light-sub); }

/* ===== Responsive ===== */
@media (max-width: 1023px) {
  .category-hero-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .category-hero-media {
    max-width: 560px;
  }
  .env-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .art-steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .plans-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }
  .plan-featured {
    transform: none;
  }
  .plan-featured:hover { transform: translateY(-3px); }
  .cross-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }
  .faq-layout {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 767px) {
  .container { padding: 0 16px; }
  .site-logo .logo-text { font-size: 16px; }
  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    background: var(--primary);
    padding: 12px 16px 24px;
    gap: 2px;
    transform: translateY(-120%);
    transition: transform 0.3s ease;
    box-shadow: 0 8px 16px rgba(0,0,0,0.25);
  }
  .site-nav.open { transform: translateY(0); }
  .site-nav a {
    color: var(--text-light);
    font-size: 18px;
    padding: 12px 14px;
    line-height: 1.6;
  }
  .site-nav a:hover { color: var(--accent); }
  .site-nav a.active {
    color: var(--accent);
    background: rgba(200,145,58,0.15);
  }
  .nav-cta .btn-nav { display: none; }
  .nav-toggle { display: flex; }
  .category-hero {
    min-height: auto;
    padding: calc(var(--header-h) + 40px) 0 48px;
  }
  .category-hero-text h1 { font-size: 1.9rem; }
  .category-hero-actions .btn { width: 100%; }
  .hero-trust { gap: 12px; }
  .anchor-wrap { padding: 10px 16px; }
  .anchor-link { padding: 6px 14px; font-size: 13px; }
  .teas-grid { grid-template-columns: 1fr; }
  .art-steps { grid-template-columns: 1fr; }
  .teas-banner img { height: 160px; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .cta-inner .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .pixel-mark { margin-bottom: 12px; }
  .section-head { margin-bottom: 32px; }
  .faq-question { font-size: 15px; padding: 16px 18px; }
  .faq-item.active .faq-answer { padding: 0 18px 18px; }
  .env-list li { font-size: 14px; }
  .tea-card { padding: 24px 20px; }
  .plan-card { padding: 30px 22px; }
  .cross-card { padding: 24px 20px; }
}