/* roulang page: index */
/* ========== Design Variables ========== */
    :root {
        --color-primary: #E85D3D;
        --color-primary-light: #F07858;
        --color-dark: #083D36;
        --color-dark-light: #0E4E45;
        --color-amber: #F0B553;
        --color-bg: #F5F2ED;
        --color-card: #FFFFFF;
        --color-card-warm: #FAFAF8;
        --color-text: #2A2A2A;
        --color-text-light: #6E6E6E;
        --color-line: rgba(8, 61, 54, 0.12);
        --color-success: #1B9B8F;
        --radius: 14px;
        --radius-sm: 8px;
        --shadow-sm: 0 2px 10px rgba(8, 61, 54, 0.06);
        --shadow-hover: 0 4px 20px rgba(8, 61, 54, 0.10);
        --transition: 0.2s ease;
        --container-max: 1280px;
        --section-gap: 96px;
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        background-color: var(--color-bg);
        color: var(--color-text);
        line-height: 1.75;
        font-size: 16px;
        -webkit-font-smoothing: antialiased;
        overflow-x: hidden;
    }

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

    a {
        text-decoration: none;
        color: inherit;
        transition: color var(--transition);
    }

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

    ul,
    ol {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
        font-weight: 700;
        line-height: 1.3;
        color: var(--color-text);
    }

    p {
        margin-bottom: 1.2rem;
    }

    /* ========== Container ========== */
    .container {
        max-width: var(--container-max);
        margin: 0 auto;
        padding: 0 24px;
    }

    /* ========== Safety Bar ========== */
    .safety-bar {
        background-color: var(--color-dark);
        color: var(--color-amber);
        font-size: 13px;
        text-align: center;
        padding: 8px 16px;
        letter-spacing: 0.4px;
        line-height: 1.4;
        width: 100%;
    }

    .safety-bar i {
        margin-right: 6px;
        font-size: 12px;
    }

    /* ========== Header / Nav ========== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1050;
        background-color: var(--color-dark);
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 72px;
        gap: 24px;
    }

    .brand {
        display: flex;
        align-items: baseline;
        gap: 4px;
        flex-shrink: 0;
        line-height: 1;
    }

    .brand-main {
        font-size: 30px;
        font-weight: 800;
        color: #FFFFFF;
        letter-spacing: 1px;
    }

    .brand-main::after {
        content: "";
        display: inline-block;
        width: 0;
        height: 0;
    }

    .brand-sub {
        font-size: 13px;
        font-weight: 400;
        color: rgba(255, 255, 255, 0.65);
        background: rgba(255, 255, 255, 0.08);
        border-radius: 999px;
        padding: 4px 12px;
        margin-left: 6px;
        letter-spacing: 2px;
    }

    .main-nav {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-wrap: nowrap;
        overflow-x: auto;
        scrollbar-width: none;
    }

    .main-nav::-webkit-scrollbar {
        display: none;
    }

    .nav-chip {
        height: 34px;
        padding: 0 20px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 999px;
        border: 1px solid rgba(255, 255, 255, 0.5);
        color: rgba(255, 255, 255, 0.9);
        font-size: 14px;
        font-weight: 500;
        white-space: nowrap;
        transition: all var(--transition);
    }

    .nav-chip:hover {
        background: rgba(255, 255, 255, 0.15);
        border-color: rgba(255, 255, 255, 0.8);
        color: #FFFFFF;
    }

    .nav-chip.active {
        background: var(--color-primary);
        border-color: var(--color-primary);
        color: #FFFFFF;
        font-weight: 600;
    }

    .btn-login {
        height: 40px;
        padding: 0 28px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: var(--color-amber);
        color: var(--color-dark);
        border-radius: 999px;
        font-size: 14px;
        font-weight: 700;
        flex-shrink: 0;
        transition: all var(--transition);
    }

    .btn-login:hover {
        background: #F5C26B;
        color: var(--color-dark);
        transform: translateY(-1px);
    }

    .btn-login:active {
        transform: translateY(1px);
    }

    .menu-toggle {
        display: none;
        width: 40px;
        height: 40px;
        border-radius: 8px;
        color: #FFFFFF;
        font-size: 20px;
        align-items: center;
        justify-content: center;
        background: rgba(255, 255, 255, 0.1);
        flex-shrink: 0;
    }

    .mobile-menu {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 1060;
        background: var(--color-dark);
        padding: 80px 32px 40px;
        flex-direction: column;
        gap: 16px;
        overflow-y: auto;
    }

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

    .mobile-menu .nav-chip {
        border: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: 0;
        padding: 16px 0;
        height: auto;
        font-size: 18px;
        justify-content: flex-start;
        color: rgba(255, 255, 255, 0.9);
    }

    .mobile-menu .nav-chip.active {
        background: transparent;
        color: var(--color-amber);
        font-weight: 700;
    }

    .mobile-menu .btn-login {
        margin-top: 20px;
        width: 100%;
        height: 48px;
    }

    .menu-close {
        position: absolute;
        top: 20px;
        right: 24px;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.1);
        color: #FFFFFF;
        font-size: 18px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* ========== Hero ========== */
    .hero {
        position: relative;
        min-height: 600px;
        display: flex;
        align-items: center;
        background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
        overflow: hidden;
    }

    .hero-overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(100deg, rgba(8, 61, 54, 0.92) 0%, rgba(8, 61, 54, 0.78) 45%, rgba(8, 61, 54, 0.35) 100%);
        z-index: 1;
    }

    .hero .container {
        position: relative;
        z-index: 2;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 48px;
        padding-top: 60px;
        padding-bottom: 60px;
    }

    .hero-content {
        flex: 0 0 55%;
        max-width: 640px;
        color: #FFFFFF;
        padding: 40px 0;
    }

    .hero-kicker {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        font-weight: 500;
        color: var(--color-amber);
        background: rgba(240, 181, 83, 0.12);
        border: 1px solid rgba(240, 181, 83, 0.35);
        border-radius: 999px;
        padding: 6px 16px;
        margin-bottom: 24px;
        letter-spacing: 0.4px;
    }

    .hero-kicker i {
        font-size: 11px;
    }

    .hero-h1 {
        font-size: 48px;
        font-weight: 800;
        color: #FFFFFF;
        letter-spacing: 1px;
        line-height: 1.2;
        margin-bottom: 16px;
    }

    .hero-h1 .accent {
        color: var(--color-amber);
    }

    .hero-sub {
        font-size: 18px;
        line-height: 1.7;
        color: rgba(255, 255, 255, 0.85);
        margin-bottom: 32px;
        max-width: 480px;
    }

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

    .btn-primary-lg,
    .btn-outline-lg {
        height: 48px;
        padding: 0 32px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 999px;
        font-size: 15px;
        font-weight: 700;
        transition: all var(--transition);
        min-width: 140px;
    }

    .btn-primary-lg {
        background: var(--color-primary);
        color: #FFFFFF;
        border: 1px solid var(--color-primary);
    }

    .btn-primary-lg:hover {
        background: var(--color-primary-light);
        border-color: var(--color-primary-light);
        transform: translateY(-1px);
    }

    .btn-primary-lg:active {
        transform: translateY(1px);
    }

    .btn-primary-lg i {
        margin-left: 8px;
        font-size: 14px;
    }

    .btn-outline-lg {
        background: transparent;
        color: #FFFFFF;
        border: 1px solid rgba(255, 255, 255, 0.6);
    }

    .btn-outline-lg:hover {
        background: rgba(255, 255, 255, 0.15);
        border-color: #FFFFFF;
    }

    .btn-outline-lg i {
        margin-right: 8px;
        font-size: 14px;
    }

    .hero-visual {
        flex: 0 0 38%;
        max-width: 420px;
        position: relative;
        min-height: 360px;
    }

    .abstract-panel {
        position: absolute;
        top: 50%;
        right: 0;
        transform: translateY(-50%);
        width: 340px;
        background: rgba(255, 255, 255, 0.12);
        border: 1px solid rgba(255, 255, 255, 0.25);
        border-radius: 20px;
        padding: 24px;
        backdrop-filter: blur(2px);
    }

    .panel-window {
        background: rgba(255, 255, 255, 0.92);
        border-radius: 12px;
        padding: 20px;
        box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
    }

    .panel-dots {
        display: flex;
        gap: 6px;
        margin-bottom: 12px;
    }

    .panel-dots span {
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background: var(--color-line);
    }

    .panel-dots span:first-child {
        background: #E85D3D;
    }

    .panel-dots span:nth-child(2) {
        background: #F0B553;
    }

    .panel-dots span:last-child {
        background: #1B9B8F;
    }

    .panel-line {
        height: 8px;
        border-radius: 4px;
        background: rgba(8, 61, 54, 0.1);
        margin-bottom: 10px;
    }

    .panel-line.short {
        width: 60%;
    }

    .panel-line.medium {
        width: 80%;
    }

    .panel-line.long {
        width: 95%;
    }

    .panel-btn-mock {
        height: 32px;
        border-radius: 999px;
        background: var(--color-primary);
        margin-top: 14px;
        width: 50%;
    }

    .panel-tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: rgba(240, 181, 83, 0.2);
        border: 1px solid rgba(240, 181, 83, 0.4);
        color: var(--color-dark);
        font-size: 12px;
        border-radius: 999px;
        padding: 4px 12px;
        margin-top: 12px;
    }

    /* ========== Section Common ========== */
    .section {
        padding: var(--section-gap) 0;
    }

    .section-header {
        text-align: center;
        max-width: 720px;
        margin: 0 auto 56px;
    }

    .section-tag {
        display: inline-block;
        background: rgba(232, 93, 61, 0.1);
        color: var(--color-primary);
        font-size: 13px;
        font-weight: 600;
        border-radius: 999px;
        padding: 6px 16px;
        margin-bottom: 16px;
        letter-spacing: 0.5px;
    }

    .section-title {
        font-size: 32px;
        font-weight: 800;
        margin-bottom: 12px;
        color: var(--color-dark);
    }

    .section-desc {
        font-size: 16px;
        color: var(--color-text-light);
        line-height: 1.7;
    }

    /* ========== Features ========== */
    .features-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .feature-card {
        background: var(--color-card);
        border: 1px solid var(--color-line);
        border-radius: var(--radius);
        padding: 32px 28px;
        display: flex;
        gap: 20px;
        transition: all var(--transition);
        position: relative;
    }

    .feature-card:hover {
        border-color: rgba(8, 61, 54, 0.25);
        box-shadow: var(--shadow-hover);
    }

    .feature-card::before {
        content: "";
        position: absolute;
        left: 0;
        top: 24px;
        bottom: 24px;
        width: 4px;
        background: var(--color-primary);
        border-radius: 0 4px 4px 0;
        opacity: 0;
        transition: opacity var(--transition);
    }

    .feature-card:hover::before {
        opacity: 1;
    }

    .feature-icon {
        width: 48px;
        height: 48px;
        flex-shrink: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        background: rgba(232, 93, 61, 0.1);
        color: var(--color-primary);
        border-radius: 12px;
        font-size: 20px;
    }

    .feature-text h3 {
        font-size: 18px;
        font-weight: 700;
        margin-bottom: 8px;
        color: var(--color-dark);
    }

    .feature-text p {
        font-size: 14px;
        line-height: 1.7;
        color: var(--color-text-light);
        margin-bottom: 0;
    }

    /* ========== Demo / Steps ========== */
    .demo-section {
        background: var(--color-dark);
        color: #FFFFFF;
        border-radius: 24px;
        margin: 0 24px;
    }

    .demo-inner {
        display: flex;
        align-items: center;
        gap: 48px;
        padding: 64px 48px;
    }

    .demo-left {
        flex: 1;
        max-width: 480px;
    }

    .demo-left .section-title {
        color: #FFFFFF;
        font-size: 28px;
        margin-bottom: 8px;
    }

    .demo-left .section-desc {
        color: rgba(255, 255, 255, 0.7);
        font-size: 15px;
        margin-bottom: 32px;
    }

    .steps-list {
        display: flex;
        flex-direction: column;
        gap: 28px;
    }

    .step-item {
        display: flex;
        gap: 20px;
        align-items: flex-start;
    }

    .step-num {
        flex-shrink: 0;
        width: 44px;
        height: 44px;
        border-radius: 50%;
        background: rgba(240, 181, 83, 0.15);
        color: var(--color-amber);
        border: 1px solid rgba(240, 181, 83, 0.4);
        font-size: 15px;
        font-weight: 700;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .step-text h4 {
        color: #FFFFFF;
        font-size: 16px;
        font-weight: 600;
        margin-bottom: 4px;
    }

    .step-text p {
        color: rgba(255, 255, 255, 0.65);
        font-size: 14px;
        line-height: 1.6;
        margin-bottom: 0;
    }

    .demo-right {
        flex: 1;
        display: flex;
        justify-content: center;
    }

    .browser-mock {
        width: 100%;
        max-width: 460px;
        background: #FFFFFF;
        border-radius: 16px;
        overflow: hidden;
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    }

    .browser-toolbar {
        background: #F0F0EE;
        padding: 12px 16px;
        display: flex;
        align-items: center;
        gap: 8px;
        border-bottom: 1px solid var(--color-line);
    }

    .browser-toolbar .dot {
        width: 12px;
        height: 12px;
        border-radius: 50%;
        display: inline-block;
    }

    .browser-toolbar .dot.red {
        background: #E85D3D;
    }

    .browser-toolbar .dot.yellow {
        background: #F0B553;
    }

    .browser-toolbar .dot.green {
        background: #1B9B8F;
    }

    .browser-url {
        margin-left: 12px;
        flex: 1;
        background: #FFFFFF;
        border: 1px solid var(--color-line);
        border-radius: 999px;
        height: 28px;
        font-size: 12px;
        color: var(--color-text-light);
        display: flex;
        align-items: center;
        padding: 0 14px;
    }

    .browser-url i {
        font-size: 11px;
        margin-right: 6px;
        color: var(--color-success);
    }

    .browser-body {
        padding: 24px;
    }

    .browser-body img {
        width: 100%;
        border-radius: 8px;
        margin-bottom: 16px;
    }

    .browser-body .browser-line {
        height: 10px;
        border-radius: 4px;
        background: rgba(8, 61, 54, 0.08);
        margin-bottom: 10px;
    }

    .browser-body .browser-line.short {
        width: 55%;
    }

    .browser-body .browser-btn {
        height: 36px;
        width: 40%;
        border-radius: 999px;
        background: var(--color-primary);
        margin-top: 12px;
    }

    /* ========== Proof ========== */
    .proof-wrapper {
        display: flex;
        flex-direction: column;
        gap: 48px;
    }

    .stats-wrap {
        display: flex;
        justify-content: center;
        gap: 40px;
        flex-wrap: wrap;
    }

    .stat-item {
        text-align: center;
        min-width: 160px;
        padding: 24px 32px;
        background: var(--color-card);
        border: 1px solid var(--color-line);
        border-radius: var(--radius);
    }

    .stat-number {
        font-size: 48px;
        font-weight: 800;
        color: var(--color-amber);
        line-height: 1.2;
        font-variant-numeric: tabular-nums;
    }

    .stat-label {
        font-size: 14px;
        color: var(--color-text-light);
        margin-top: 8px;
        font-weight: 500;
    }

    .reviews-wrap {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .review-card {
        background: var(--color-card-warm);
        border: 1px solid var(--color-line);
        border-radius: 12px;
        padding: 24px;
        display: flex;
        gap: 16px;
        align-items: flex-start;
    }

    .review-avatar {
        width: 44px;
        height: 44px;
        flex-shrink: 0;
        border-radius: 50%;
        background: var(--color-dark);
        color: var(--color-amber);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 16px;
        font-weight: 700;
    }

    .review-stars {
        color: var(--color-amber);
        font-size: 13px;
        margin-bottom: 8px;
        letter-spacing: 2px;
    }

    .review-text {
        font-size: 14px;
        color: var(--color-text);
        line-height: 1.7;
        margin-bottom: 6px;
    }

    .review-author {
        font-size: 12px;
        color: var(--color-text-light);
    }

    /* ========== Pricing ========== */
    .pricing-section {
        background: var(--color-dark);
        border-radius: 24px;
        margin: 0 24px;
        padding: 80px 48px;
    }

    .pricing-section .section-title {
        color: #FFFFFF;
    }

    .pricing-section .section-desc {
        color: rgba(255, 255, 255, 0.7);
    }

    .pricing-section .section-tag {
        background: rgba(240, 181, 83, 0.15);
        color: var(--color-amber);
    }

    .pricing-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 32px;
        max-width: 880px;
        margin: 0 auto;
    }

    .pricing-card {
        border-radius: 20px;
        padding: 40px 36px;
        transition: all var(--transition);
    }

    .pricing-card.dark-card {
        background: rgba(255, 255, 255, 0.08);
        border: 1px solid rgba(255, 255, 255, 0.2);
        color: #FFFFFF;
    }

    .pricing-card.light-card {
        background: var(--color-card-warm);
        border: 1px solid var(--color-line);
        color: var(--color-text);
    }

    .pricing-name {
        font-size: 20px;
        font-weight: 700;
        margin-bottom: 4px;
    }

    .pricing-desc {
        font-size: 14px;
        margin-bottom: 24px;
        opacity: 0.8;
    }

    .pricing-list {
        display: flex;
        flex-direction: column;
        gap: 12px;
        margin-bottom: 28px;
    }

    .pricing-list li {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 14px;
        line-height: 1.5;
    }

    .pricing-list li i {
        color: var(--color-success);
        font-size: 13px;
        width: 16px;
        text-align: center;
    }

    .dark-card .pricing-list li i {
        color: var(--color-amber);
    }

    .pricing-price {
        font-size: 32px;
        font-weight: 800;
        margin-bottom: 20px;
    }

    .pricing-price small {
        font-size: 14px;
        font-weight: 400;
        opacity: 0.7;
    }

    .pricing-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        height: 46px;
        border-radius: 999px;
        font-size: 15px;
        font-weight: 700;
        transition: all var(--transition);
        width: 100%;
    }

    .dark-card .pricing-btn {
        background: var(--color-amber);
        color: var(--color-dark);
    }

    .dark-card .pricing-btn:hover {
        background: #F5C26B;
        transform: translateY(-1px);
    }

    .light-card .pricing-btn {
        background: var(--color-primary);
        color: #FFFFFF;
    }

    .light-card .pricing-btn:hover {
        background: var(--color-primary-light);
        transform: translateY(-1px);
    }

    /* ========== FAQ ========== */
    .faq-wrap {
        max-width: 760px;
        margin: 0 auto;
    }

    .faq-item {
        border: 1px solid var(--color-line);
        border-radius: 12px;
        background: var(--color-card);
        margin-bottom: 14px;
        overflow: hidden;
        transition: all var(--transition);
    }

    .faq-item:hover {
        border-color: rgba(232, 93, 61, 0.35);
    }

    .faq-btn {
        width: 100%;
        background: transparent;
        padding: 20px 24px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        font-size: 15px;
        font-weight: 600;
        color: var(--color-text);
        text-align: left;
        transition: all var(--transition);
    }

    .faq-btn i {
        color: var(--color-primary);
        font-size: 14px;
        transition: transform 0.2s ease;
        flex-shrink: 0;
    }

    .faq-btn[aria-expanded="true"] i {
        transform: rotate(45deg);
    }

    .faq-body {
        background: rgba(8, 61, 54, 0.03);
        padding: 0 24px;
        font-size: 14px;
        line-height: 1.8;
        color: var(--color-text-light);
    }

    /* ========== News ========== */
    .news-section {
        background: var(--color-bg);
    }

    .news-list {
        max-width: 860px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 20px;
    }

    .news-list-item {
        background: var(--color-card);
        border: 1px solid var(--color-line);
        border-radius: var(--radius);
        padding: 28px 32px;
        transition: all var(--transition);
        display: block;
    }

    .news-list-item:hover {
        border-color: rgba(232, 93, 61, 0.35);
        box-shadow: var(--shadow-hover);
    }

    .news-item-top {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 12px;
        gap: 16px;
    }

    .badge-cat {
        display: inline-flex;
        align-items: center;
        height: 22px;
        padding: 0 12px;
        background: var(--color-primary);
        color: #FFFFFF;
        border-radius: 999px;
        font-size: 12px;
        font-weight: 600;
        line-height: 1;
    }

    .badge-cat.gold {
        background: var(--color-amber);
        color: var(--color-dark);
    }

    .news-time {
        font-size: 13px;
        color: var(--color-text-light);
        flex-shrink: 0;
    }

    .news-item-title {
        font-size: 18px;
        font-weight: 700;
        color: var(--color-dark);
        margin-bottom: 8px;
        display: block;
        transition: color var(--transition);
    }

    .news-list-item:hover .news-item-title {
        color: var(--color-primary);
    }

    .news-item-summary {
        font-size: 14px;
        color: var(--color-text-light);
        line-height: 1.7;
        margin-bottom: 14px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .news-link {
        font-size: 13px;
        font-weight: 600;
        color: var(--color-primary);
        display: inline-flex;
        align-items: center;
        gap: 6px;
        transition: gap var(--transition);
    }

    .news-link:hover {
        gap: 10px;
        color: var(--color-dark);
    }

    .load-more-wrap {
        text-align: center;
        margin-top: 36px;
    }

    .btn-load-more {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        height: 44px;
        padding: 0 28px;
        border: 1px solid var(--color-line);
        background: var(--color-card);
        color: var(--color-text);
        border-radius: 999px;
        font-size: 14px;
        font-weight: 500;
        transition: all var(--transition);
    }

    .btn-load-more:hover {
        border-color: var(--color-primary);
        color: var(--color-primary);
    }

    .news-empty {
        border: 1px dashed var(--color-line);
        border-radius: var(--radius);
        padding: 48px 32px;
        text-align: center;
        background: var(--color-card-warm);
    }

    .empty-icon {
        width: 64px;
        height: 64px;
        margin: 0 auto 16px;
        background: rgba(8, 61, 54, 0.06);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 24px;
        color: var(--color-text-light);
    }

    .news-empty h4 {
        font-size: 18px;
        color: var(--color-dark);
        margin-bottom: 8px;
    }

    .news-empty p {
        font-size: 14px;
        color: var(--color-text-light);
        margin-bottom: 0;
    }

    /* ========== CTA Section ========== */
    .cta-section {
        background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
        position: relative;
        padding: 96px 0;
        text-align: center;
    }

    .cta-section::before {
        content: "";
        position: absolute;
        inset: 0;
        background: rgba(8, 61, 54, 0.85);
    }

    .cta-content {
        position: relative;
        z-index: 1;
        max-width: 640px;
        margin: 0 auto;
        color: #FFFFFF;
    }

    .cta-content h2 {
        color: #FFFFFF;
        font-size: 32px;
        font-weight: 800;
        margin-bottom: 16px;
    }

    .cta-content p {
        color: rgba(255, 255, 255, 0.8);
        font-size: 16px;
        margin-bottom: 28px;
    }

    .cta-content .btn-primary-lg {
        min-width: 160px;
    }

    /* ========== Footer ========== */
    .site-footer {
        background: var(--color-dark);
        color: rgba(255, 255, 255, 0.8);
        padding-top: 64px;
    }

    .footer-inner {
        display: grid;
        grid-template-columns: 1.5fr 1fr 1fr;
        gap: 48px;
        padding-bottom: 48px;
    }

    .footer-brand .brand-main {
        font-size: 26px;
        color: #FFFFFF;
        display: block;
        margin-bottom: 12px;
    }

    .footer-brand p {
        font-size: 13px;
        line-height: 1.7;
        color: rgba(255, 255, 255, 0.55);
        max-width: 280px;
        margin-bottom: 0;
    }

    .footer-col h4 {
        color: #FFFFFF;
        font-size: 15px;
        font-weight: 600;
        margin-bottom: 16px;
    }

    .footer-links {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .footer-links a {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.65);
        transition: all var(--transition);
    }

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

    .footer-contact p {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.65);
        margin-bottom: 8px;
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .footer-contact p i {
        width: 16px;
        color: var(--color-amber);
        font-size: 13px;
    }

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding: 20px 0;
        text-align: center;
        font-size: 13px;
        color: rgba(255, 255, 255, 0.4);
    }

    /* ========== Floating CTA ========== */
    .floating-cta {
        position: fixed;
        right: 24px;
        bottom: 24px;
        z-index: 1040;
        height: 52px;
        padding: 0 24px;
        display: inline-flex;
        align-items: center;
        gap: 10px;
        background: var(--color-amber);
        color: var(--color-dark);
        border-radius: 999px;
        font-size: 15px;
        font-weight: 700;
        box-shadow: 0 4px 20px rgba(240, 181, 83, 0.4);
        transition: all 0.2s ease;
    }

    .floating-cta:hover {
        box-shadow: 0 0 0 8px rgba(240, 181, 83, 0.2), 0 4px 24px rgba(240, 181, 83, 0.5);
        transform: translateY(-2px);
        color: var(--color-dark);
    }

    .floating-cta i {
        font-size: 20px;
    }

    /* ========== Responsive ========== */
    @media (max-width: 991.98px) {
        .hero .container {
            flex-direction: column;
            padding-top: 48px;
            padding-bottom: 48px;
            text-align: center;
        }

        .hero-content {
            flex: none;
            max-width: 640px;
        }

        .hero-actions {
            justify-content: center;
        }

        .hero-visual {
            display: none;
        }

        .hero {
            min-height: auto;
        }

        .demo-inner {
            flex-direction: column;
            padding: 48px 32px;
        }

        .demo-left {
            max-width: 100%;
            text-align: center;
        }

        .steps-list {
            text-align: left;
            max-width: 420px;
            margin: 0 auto;
        }

        .pricing-grid {
            grid-template-columns: 1fr;
            max-width: 480px;
        }

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

        .footer-brand {
            grid-column: 1 / -1;
        }
    }

    @media (max-width: 767.98px) {
        :root {
            --section-gap: 56px;
        }

        .header-inner {
            height: 64px;
            gap: 12px;
        }

        .main-nav {
            display: none;
        }

        .btn-login {
            display: none;
        }

        .menu-toggle {
            display: flex;
        }

        .brand-main {
            font-size: 24px;
        }

        .brand-sub {
            font-size: 11px;
            padding: 3px 8px;
        }

        .hero-h1 {
            font-size: 32px;
        }

        .hero-sub {
            font-size: 16px;
        }

        .section-title {
            font-size: 24px;
        }

        .features-grid {
            grid-template-columns: 1fr;
            gap: 16px;
        }

        .feature-card {
            padding: 24px 20px;
        }

        .reviews-wrap {
            grid-template-columns: 1fr;
            gap: 16px;
        }

        .stats-wrap {
            gap: 16px;
        }

        .stat-item {
            min-width: 100px;
            padding: 16px 20px;
        }

        .stat-number {
            font-size: 32px;
        }

        .pricing-section {
            margin: 0 12px;
            padding: 48px 20px;
            border-radius: 16px;
        }

        .pricing-card {
            padding: 28px 20px;
        }

        .faq-btn {
            padding: 16px 16px;
            font-size: 14px;
        }

        .news-list-item {
            padding: 20px 20px;
        }

        .news-item-top {
            flex-direction: column;
            align-items: flex-start;
            gap: 8px;
        }

        .cta-content h2 {
            font-size: 24px;
        }

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

        .footer-brand {
            grid-column: auto;
        }

        .floating-cta {
            width: 52px;
            height: 52px;
            padding: 0;
            justify-content: center;
            border-radius: 50%;
        }

        .floating-cta span {
            display: none;
        }

        .btn-primary-lg,
        .btn-outline-lg {
            min-width: 120px;
            padding: 0 20px;
            height: 44px;
            font-size: 14px;
        }

        .demo-inner {
            padding: 40px 20px;
        }

        .demo-left .section-title {
            font-size: 22px;
        }

        .browser-mock {
            max-width: 340px;
        }
    }

    @media (max-width: 399px) {
        .hero-h1 {
            font-size: 28px;
        }

        .hero-actions {
            flex-direction: column;
            width: 100%;
        }

        .btn-primary-lg,
        .btn-outline-lg {
            width: 100%;
        }
    }

/* roulang page: article */
:root {
            --primary: #E85D3D;
            --primary-dark: #C94A2E;
            --primary-light: #F0714F;
            --deep-green: #083D36;
            --deep-green-light: #0E4A42;
            --deep-green-dark: #062E29;
            --amber: #F0B553;
            --amber-light: #F7D28A;
            --bg: #F5F2ED;
            --card-bg: #FFFFFF;
            --card-soft: #FAFAF8;
            --text-heavy: #1E2A28;
            --text-body: #3D4A47;
            --text-muted: #6B7A76;
            --border: rgba(8, 61, 54, 0.12);
            --border-light: rgba(8, 61, 54, 0.07);
            --radius-lg: 14px;
            --radius-md: 10px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 8px rgba(8, 61, 54, 0.08);
            --shadow-hover: 0 4px 16px rgba(8, 61, 54, 0.1);
            --transition: all 0.2s ease;
            --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            background-color: var(--bg);
            color: var(--text-body);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a {
            text-decoration: none;
            color: var(--deep-green);
            transition: var(--transition);
        }

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

        .container {
            max-width: 1280px;
        }

        section,
        footer {
            position: relative;
        }

        .site-header {
            background: var(--deep-green);
            position: sticky;
            top: 0;
            z-index: 1040;
            border-bottom: 1px solid rgba(240, 181, 83, 0.15);
        }

        .safety-bar {
            background: var(--deep-green-dark);
            color: var(--amber-light);
            font-size: 13px;
            text-align: center;
            padding: 7px 16px;
            letter-spacing: 0.06em;
            border-bottom: 1px solid rgba(240, 181, 83, 0.1);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 16px;
            gap: 16px;
        }

        .brand-logo {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
            flex-shrink: 0;
        }

        .brand-logo .brand-main {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
        }

        .brand-logo .brand-main span {
            color: var(--amber);
        }

        .brand-logo .brand-sub {
            font-size: 11px;
            color: rgba(255, 255, 255, 0.6);
            letter-spacing: 0.18em;
            margin-top: 2px;
        }

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

        .nav-chip {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 34px;
            padding: 0 18px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.55);
            color: #fff;
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.02em;
            background: transparent;
            transition: var(--transition);
        }

        .nav-chip:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: rgba(255, 255, 255, 0.8);
            color: #fff;
        }

        .nav-chip.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }

        .btn-login {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 40px;
            padding: 0 22px;
            border-radius: 999px;
            background: var(--amber);
            color: var(--deep-green);
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 0.04em;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-login:hover {
            background: var(--amber-light);
            color: var(--deep-green);
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 18px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.18);
        }

        .mobile-drawer {
            display: none;
            background: var(--deep-green);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 12px 20px 20px;
        }

        .mobile-drawer.open {
            display: block;
        }

        .mobile-drawer a {
            display: block;
            color: rgba(255, 255, 255, 0.9);
            padding: 12px 8px;
            font-size: 15px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
        }

        .mobile-drawer a:last-child {
            border-bottom: none;
        }

        .mobile-drawer a:hover {
            color: var(--amber);
            padding-left: 14px;
        }

        .mobile-drawer .mobile-login-btn {
            margin-top: 10px;
            background: var(--amber);
            color: var(--deep-green);
            border-radius: 999px;
            text-align: center;
            font-weight: 600;
            padding: 12px 0;
            border: none;
        }

        .mobile-drawer .mobile-login-btn:hover {
            background: var(--amber-light);
            color: var(--deep-green);
        }

        .article-hero {
            background-color: var(--deep-green);
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            padding: 70px 0 64px;
            position: relative;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(6, 46, 41, 0.92), rgba(8, 61, 54, 0.75));
            z-index: 1;
        }

        .article-hero .container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .breadcrumb-nav a {
            color: rgba(255, 255, 255, 0.75);
        }

        .breadcrumb-nav a:hover {
            color: var(--amber);
        }

        .breadcrumb-nav .separator {
            opacity: 0.5;
        }

        .breadcrumb-nav .current {
            color: var(--amber-light);
        }

        .article-hero h1 {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 18px;
            max-width: 860px;
            letter-spacing: 0.02em;
        }

        .article-hero-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            color: rgba(255, 255, 255, 0.75);
            font-size: 14px;
        }

        .article-hero-meta i {
            margin-right: 6px;
            color: var(--amber);
        }

        .article-hero-meta span {
            display: inline-flex;
            align-items: center;
        }

        .article-main-wrap {
            padding: 56px 0 40px;
        }

        .article-layout {
            max-width: 1060px;
            margin: 0 auto;
        }

        .article-body {
            width: 100%;
            max-width: 760px;
            margin: 0 auto;
            background: var(--bg);
            padding: 0 8px;
        }

        .article-body h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-heavy);
            border-left: 4px solid var(--primary);
            padding-left: 16px;
            margin: 40px 0 18px;
            line-height: 1.4;
        }

        .article-body h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-heavy);
            margin: 30px 0 12px;
            line-height: 1.4;
        }

        .article-body p {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-body);
            margin-bottom: 1.6em;
        }

        .article-body img {
            border-radius: 12px;
            max-width: 100%;
            height: auto;
            margin: 24px 0;
        }

        .article-body blockquote {
            background: var(--deep-green);
            color: rgba(255, 255, 255, 0.92);
            border-left: 4px solid var(--amber);
            padding: 20px 24px;
            border-radius: 0 12px 12px 0;
            margin: 28px 0;
            font-size: 15px;
            line-height: 1.7;
        }

        .article-body blockquote p {
            color: rgba(255, 255, 255, 0.92);
            margin-bottom: 0;
        }

        .article-body ul,
        .article-body ol {
            padding-left: 22px;
            margin: 0 0 1.6em 0;
        }

        .article-body ul li,
        .article-body ol li {
            margin-bottom: 8px;
            line-height: 1.75;
        }

        .article-body a {
            color: var(--primary);
            border-bottom: 1px solid rgba(232, 93, 61, 0.3);
        }

        .article-body a:hover {
            border-bottom-color: var(--primary);
        }

        .article-empty {
            text-align: center;
            padding: 80px 24px;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px dashed var(--border);
        }

        .article-empty i {
            font-size: 48px;
            color: var(--border);
            margin-bottom: 16px;
        }

        .article-empty h2 {
            font-size: 24px;
            color: var(--text-heavy);
            margin-bottom: 8px;
            border: none;
            padding: 0;
        }

        .article-empty p {
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .share-row {
            max-width: 760px;
            margin: 40px auto 0;
            padding: 24px 0;
            border-top: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .share-row .share-label {
            font-size: 14px;
            color: var(--text-muted);
        }

        .share-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--border);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 15px;
            background: transparent;
            transition: var(--transition);
        }

        .share-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(232, 93, 61, 0.06);
        }

        .btn-back-list {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            padding: 8px 16px;
            border-radius: 999px;
            border: 1px solid transparent;
            transition: var(--transition);
        }

        .btn-back-list:hover {
            color: var(--primary);
            border-color: var(--border);
        }

        .related-section {
            padding: 70px 0 60px;
            background: var(--bg);
            border-top: 1px solid var(--border-light);
        }

        .section-header {
            margin-bottom: 40px;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }

        .section-header .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-heavy);
            line-height: 1.3;
            position: relative;
            padding-bottom: 10px;
        }

        .section-header .section-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 48px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
        }

        .section-header .section-sub {
            color: var(--text-muted);
            font-size: 14px;
        }

        .related-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }

        .related-card:hover {
            border-color: rgba(8, 61, 54, 0.24);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }

        .related-card .card-cover {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--card-soft);
            position: relative;
        }

        .related-card .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .related-card:hover .card-cover img {
            transform: scale(1.03);
        }

        .related-card .card-cover .cover-placeholder {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #ECE9E3;
            border: 1px dashed var(--border);
            color: var(--text-muted);
            font-size: 14px;
        }

        .related-card .card-body-content {
            padding: 18px 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .related-card .card-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-heavy);
            line-height: 1.45;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card .card-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.55;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
            flex: 1;
        }

        .related-card .card-tag {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 22px;
            padding: 0 10px;
            border-radius: 999px;
            font-size: 12px;
            background: var(--amber);
            color: var(--deep-green);
            font-weight: 500;
            width: fit-content;
            margin-top: auto;
        }

        .related-card .card-tag.tag-primary {
            background: var(--primary);
            color: #fff;
        }

        .cta-section {
            background: var(--deep-green);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            right: -60px;
            top: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(240, 181, 83, 0.08);
        }

        .cta-inner {
            max-width: 700px;
            margin: 0 auto;
            text-align: center;
        }

        .cta-inner h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            margin-bottom: 28px;
        }

        .cta-btns {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 48px;
            padding: 0 28px;
            border-radius: 999px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }

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

        .btn-primary-lg:active {
            transform: translateY(1px);
        }

        .btn-outline-white {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 28px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.7);
            color: rgba(255, 255, 255, 0.9);
            font-weight: 500;
            font-size: 15px;
            transition: var(--transition);
            background: transparent;
        }

        .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.14);
            color: #fff;
        }

        .site-footer {
            background: var(--deep-green-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 0;
            border-top: 1px solid rgba(240, 181, 83, 0.08);
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 36px;
        }

        .footer-brand .brand-main {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
        }

        .footer-brand .brand-main span {
            color: var(--amber);
        }

        .footer-brand p {
            margin-top: 14px;
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            line-height: 1.65;
            max-width: 360px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: 0.03em;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: var(--transition);
        }

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

        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-contact p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-contact i {
            color: var(--amber);
            font-size: 13px;
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 16px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        .float-cta {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 1050;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 48px;
            padding: 0 22px;
            border-radius: 999px;
            background: var(--deep-green);
            color: #fff;
            font-size: 14px;
            font-weight: 500;
            box-shadow: 0 6px 20px rgba(8, 61, 54, 0.28);
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.12);
        }

        .float-cta i {
            color: var(--amber);
            font-size: 16px;
        }

        .float-cta:hover {
            background: var(--deep-green-light);
            color: #fff;
            box-shadow: 0 4px 24px rgba(240, 181, 83, 0.35);
            transform: translateY(-2px);
        }

        @media (max-width: 991.98px) {
            .main-nav {
                gap: 6px;
            }

            .nav-chip {
                padding: 0 14px;
                font-size: 13px;
                height: 32px;
            }

            .btn-login {
                padding: 0 16px;
                font-size: 13px;
            }

            .article-hero {
                padding: 50px 0 46px;
            }

            .article-hero h1 {
                font-size: 30px;
            }

            .article-main-wrap {
                padding: 40px 0 30px;
            }
        }

        @media (max-width: 767.98px) {
            .main-nav {
                display: none !important;
            }

            .btn-login {
                display: none !important;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .article-hero {
                padding: 40px 0 36px;
            }

            .article-hero h1 {
                font-size: 24px;
            }

            .article-hero-meta {
                gap: 12px;
                font-size: 13px;
            }

            .article-hero-meta span {
                width: 100%;
            }

            .article-body {
                padding: 0 4px;
            }

            .article-body h2 {
                font-size: 19px;
                padding-left: 12px;
                border-left-width: 3px;
            }

            .article-body p {
                font-size: 15px;
            }

            .article-body blockquote {
                padding: 16px 18px;
                font-size: 14px;
            }

            .share-row {
                margin-top: 30px;
                padding: 18px 0;
                gap: 10px;
            }

            .related-section {
                padding: 48px 0 40px;
            }

            .section-header {
                margin-bottom: 24px;
            }

            .section-header .section-title {
                font-size: 22px;
            }

            .cta-section {
                padding: 44px 0;
            }

            .cta-inner h2 {
                font-size: 22px;
            }

            .footer-inner {
                grid-template-columns: 1fr;
                gap: 28px;
                padding-bottom: 24px;
            }

            .float-cta {
                width: 52px;
                padding: 0;
                justify-content: center;
                border-radius: 50%;
            }

            .float-cta span {
                display: none;
            }
        }

        @media (max-width: 575.98px) {
            .article-hero {
                padding: 32px 0 28px;
            }

            .breadcrumb-nav {
                margin-bottom: 20px;
                font-size: 12px;
            }

            .article-hero h1 {
                font-size: 21px;
            }

            .article-main-wrap {
                padding: 32px 0 24px;
            }

            .cta-btns {
                flex-direction: column;
                gap: 10px;
            }

            .btn-primary-lg,
            .btn-outline-white {
                width: 100%;
                justify-content: center;
            }
        }

        .btn-primary-lg:focus,
        .btn-outline-white:focus,
        .nav-chip:focus,
        .nav-toggle:focus,
        .btn-login:focus,
        .share-btn:focus,
        .float-cta:focus {
            outline: 2px solid var(--amber);
            outline-offset: 2px;
        }

/* roulang page: category1 */
:root {
            --primary: #E85D3D;
            --primary-hover: #f2775a;
            --primary-active: #cf5236;
            --dark: #083D36;
            --dark-2: #0a4b42;
            --amber: #F0B553;
            --bg: #F5F2ED;
            --card-bg: #FFFFFF;
            --text: #1F2A28;
            --text-light: #5F6E6A;
            --border: rgba(8, 61, 54, 0.12);
            --radius: 14px;
            --radius-sm: 10px;
            --teal: #1B9B8F;
            --shadow: 0 8px 24px rgba(8, 61, 54, 0.08);
            --space: 96px;
            --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease, opacity .2s ease;
        }
        button {
            border: none;
            background: none;
            font-family: inherit;
            cursor: pointer;
        }
        .container {
            max-width: 1280px;
            width: 100%;
            padding-left: 24px;
            padding-right: 24px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Topbar ===== */
        .site-topbar {
            background: var(--dark);
            color: var(--amber);
            font-size: 13px;
            height: 36px;
            display: flex;
            align-items: center;
            letter-spacing: .02em;
        }
        .site-topbar .container {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .site-topbar i {
            margin-right: 4px;
            font-size: 12px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: var(--dark);
            box-shadow: 0 4px 20px rgba(8, 61, 54, .18);
        }
        .main-nav {
            position: relative;
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }
        .brand-logo {
            display: inline-flex;
            align-items: baseline;
            gap: 6px;
            flex-shrink: 0;
        }
        .brand-main {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            letter-spacing: .06em;
        }
        .brand-sub {
            font-size: 13px;
            color: var(--amber);
            font-weight: 600;
            letter-spacing: .08em;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 10px;
            margin: 0 auto;
        }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            height: 34px;
            padding: 0 18px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, .65);
            color: #fff;
            font-size: 14px;
            font-weight: 500;
            white-space: nowrap;
            transition: all .2s ease;
        }
        .nav-chip:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
        }
        .nav-chip.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            font-weight: 600;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 40px;
            padding: 0 24px;
            border-radius: 999px;
            background: var(--amber);
            color: var(--dark);
            font-size: 14px;
            font-weight: 700;
            white-space: nowrap;
            transition: all .2s ease;
            flex-shrink: 0;
        }
        .nav-cta:hover {
            background: #f6c162;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(240, 181, 83, .35);
        }
        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            color: #fff;
            font-size: 20px;
            border: 1px solid rgba(255, 255, 255, .3);
            flex-shrink: 0;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, .08);
        }
        .mobile-menu {
            background: var(--dark);
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 12px 24px 20px;
        }
        .mobile-links {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-links a {
            display: block;
            padding: 12px 16px;
            border-radius: 10px;
            color: #fff;
            font-size: 15px;
            font-weight: 500;
        }
        .mobile-links a:hover,
        .mobile-links a.active-link {
            background: rgba(255, 255, 255, .08);
        }
        .mobile-links .mobile-cta {
            margin-top: 12px;
            background: var(--amber);
            color: var(--dark);
            font-weight: 700;
            text-align: center;
            border-radius: 999px;
        }

        /* ===== Hero ===== */
        .category-hero {
            background: var(--bg);
            padding: 72px 0 64px;
            border-bottom: 1px solid var(--border);
        }
        .hero-wrap {
            display: flex;
            align-items: center;
            gap: 48px;
        }
        .hero-text {
            flex: 0 0 55%;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(232, 93, 61, .10);
            color: var(--primary);
            border-radius: 999px;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .hero-tag i {
            font-size: 12px;
        }
        .hero-text h1 {
            font-size: 44px;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.25;
            margin: 0 0 14px;
            letter-spacing: .02em;
        }
        .hero-desc {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-light);
            margin: 0 0 26px;
            max-width: 520px;
        }
        .hero-image {
            flex: 0 0 45%;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transform: rotate(1deg);
            position: relative;
        }
        .hero-image::after {
            content: "";
            position: absolute;
            inset: 0;
            border: 1px solid rgba(255, 255, 255, .25);
            border-radius: 20px;
            pointer-events: none;
        }
        .hero-image img {
            width: 100%;
            height: 280px;
            object-fit: cover;
            transition: transform .3s ease;
        }
        .hero-image:hover img {
            transform: scale(1.02);
        }

        /* ===== Section base ===== */
        .section-guides,
        .section-scenario,
        .section-steps,
        .section-faq,
        .section-cta {
            padding: var(--space) 0;
        }
        .section-head {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            background: rgba(232, 93, 61, .08);
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 14px;
            letter-spacing: .03em;
        }
        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--dark);
            margin: 0 0 10px;
            line-height: 1.3;
        }
        .section-head p {
            font-size: 15px;
            color: var(--text-light);
            max-width: 620px;
            margin: 0 auto;
            line-height: 1.75;
        }

        /* ===== Guide Cards ===== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 16px;
        }
        .guide-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
            height: 100%;
        }
        .guide-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow);
            border-color: rgba(8, 61, 54, .2);
        }
        .guide-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #e9e4dc;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .guide-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .3s ease;
        }
        .guide-card:hover .guide-img img {
            transform: scale(1.03);
        }
        .guide-body {
            padding: 20px 22px 18px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .guide-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--dark);
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .guide-desc {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            margin: 0 0 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            min-height: 48px;
        }
        .guide-meta {
            margin-top: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid rgba(8, 61, 54, .06);
            padding-top: 12px;
        }
        .guide-cat {
            display: inline-flex;
            align-items: center;
            height: 22px;
            padding: 0 10px;
            background: rgba(232, 93, 61, .09);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            border-radius: 999px;
        }
        .guide-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--dark);
        }
        .guide-link i {
            font-size: 12px;
            transition: transform .2s ease;
        }
        .guide-card:hover .guide-link i {
            transform: translateX(3px);
        }

        /* ===== Scenario ===== */
        .section-scenario {
            background: #fff;
        }
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .scenario-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 22px;
            text-align: left;
            transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
            height: 100%;
        }
        .scenario-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow);
            border-color: rgba(8, 61, 54, .18);
        }
        .scenario-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(232, 93, 61, .10);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 18px;
        }
        .scenario-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--dark);
            margin: 0 0 8px;
        }
        .scenario-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== Steps ===== */
        .section-steps {
            background: var(--dark);
        }
        .section-steps .section-head h2 {
            color: #fff;
        }
        .section-steps .section-head p {
            color: rgba(255, 255, 255, .65);
        }
        .steps-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            counter-reset: steps;
        }
        .step-item {
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: var(--radius);
            padding: 32px 28px;
            position: relative;
            transition: background .2s ease, transform .2s ease;
            height: 100%;
        }
        .step-item:hover {
            background: rgba(255, 255, 255, .09);
            transform: translateY(-2px);
        }
        .step-num {
            font-size: 42px;
            font-weight: 800;
            color: var(--amber);
            line-height: 1;
            margin-bottom: 18px;
            letter-spacing: .01em;
            opacity: .85;
        }
        .step-item h3 {
            font-size: 18px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 10px;
        }
        .step-item p {
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== FAQ ===== */
        .section-faq {
            background: var(--bg);
        }
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }
        .accordion-item {
            background: #fff;
            border: 1px solid var(--border) !important;
            border-radius: var(--radius) !important;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: none;
        }
        .accordion-item:last-child {
            margin-bottom: 0;
        }
        .accordion-header {
            margin: 0;
        }
        .accordion-button {
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            padding: 20px 24px;
            background: #fff;
            border: none;
            box-shadow: none;
            font-family: var(--font-main);
            line-height: 1.5;
            transition: background .2s ease, color .2s ease;
        }
        .accordion-button:not(.collapsed) {
            background: #fafaf8;
            color: var(--primary);
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: none;
        }
        .accordion-button::after {
            transition: transform .2s ease;
            filter: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23083D36'%3E%3Cpath d='M8 4a.5.5 0 0 1 .5.5v3h3a.5.5 0 0 1 0 1h-3v3a.5.5 0 0 1-1 0v-3h-3a.5.5 0 0 1 0-1h3v-3A.5.5 0 0 1 8 4z'/%3E%3C/svg%3E");
        }
        .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
        }
        .accordion-body {
            padding: 0 24px 22px;
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
            background: #fafaf8;
        }

        /* ===== CTA ===== */
        .section-cta {
            background: #fff;
            padding-bottom: var(--space);
        }
        .cta-box {
            background: var(--dark);
            border-radius: 24px;
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -80px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(240, 181, 83, .12);
        }
        .cta-box h2 {
            color: #fff;
            font-size: 30px;
            font-weight: 700;
            margin: 0 0 12px;
            line-height: 1.3;
        }
        .cta-box p {
            color: rgba(255, 255, 255, .75);
            font-size: 15px;
            margin: 0 auto 28px;
            max-width: 520px;
            line-height: 1.7;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-main {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 32px;
            border-radius: 999px;
            background: var(--primary);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            gap: 8px;
            transition: all .2s ease;
            border: none;
        }
        .btn-main:hover {
            background: var(--primary-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(232, 93, 61, .35);
        }
        .btn-main:active {
            transform: translateY(1px);
            background: var(--primary-active);
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 32px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, .8);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            background: transparent;
            transition: all .2s ease;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .12);
            color: #fff;
            border-color: #fff;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, .78);
            padding: 64px 0 24px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }
        .footer-brand a {
            display: inline-block;
            margin-bottom: 12px;
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, .62);
            line-height: 1.7;
            margin: 0;
            max-width: 320px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin: 0 0 14px;
            letter-spacing: .02em;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, .68);
            font-size: 14px;
            transition: color .2s ease;
        }
        .footer-links a:hover {
            color: var(--amber);
        }
        .footer-contact p {
            display: flex;
            align-items: center;
            gap: 8px;
            margin: 0 0 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, .68);
        }
        .footer-contact i {
            color: var(--amber);
            width: 16px;
            font-size: 13px;
        }
        .footer-bottom {
            text-align: center;
            padding-top: 24px;
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
        }

        /* ===== Float CTA ===== */
        .float-cta {
            position: fixed;
            bottom: 32px;
            right: 32px;
            display: flex;
            align-items: center;
            gap: 10px;
            height: 52px;
            padding: 0 24px;
            background: var(--amber);
            color: var(--dark);
            border-radius: 999px;
            font-size: 14px;
            font-weight: 700;
            box-shadow: 0 4px 18px rgba(240, 181, 83, .45);
            z-index: 1050;
            transition: box-shadow .2s ease, transform .2s ease;
        }
        .float-cta:hover {
            box-shadow: 0 0 26px rgba(240, 181, 83, .65);
            transform: translateY(-2px);
            color: var(--dark);
        }
        .float-cta i {
            font-size: 20px;
        }
        .float-cta .float-text {
            font-size: 14px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1199px) {
            .nav-links {
                gap: 8px;
            }
            .nav-chip {
                padding: 0 14px;
                font-size: 13px;
            }
        }
        @media (max-width: 991px) {
            :root {
                --space: 72px;
            }
            .nav-links,
            .nav-cta {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .nav-container {
                height: 64px;
            }
            .hero-wrap {
                flex-direction: column;
                gap: 32px;
            }
            .hero-text,
            .hero-image {
                flex: 0 0 100%;
            }
            .hero-text h1 {
                font-size: 34px;
            }
            .hero-image img {
                height: 220px;
            }
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-list {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .step-item {
                padding: 24px 24px;
            }
            .step-num {
                font-size: 34px;
                margin-bottom: 12px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 767px) {
            :root {
                --space: 56px;
            }
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .brand-main {
                font-size: 21px;
            }
            .brand-sub {
                font-size: 12px;
            }
            .category-hero {
                padding: 44px 0 40px;
            }
            .hero-text h1 {
                font-size: 30px;
            }
            .hero-image img {
                height: 180px;
                border-radius: 14px;
            }
            .guide-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .section-head p {
                font-size: 14px;
            }
            .cta-box {
                padding: 36px 20px;
                border-radius: 18px;
            }
            .cta-box h2 {
                font-size: 23px;
            }
            .cta-actions {
                flex-direction: column;
                align-items: center;
            }
            .btn-main,
            .btn-outline-light {
                width: 100%;
                max-width: 280px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: auto;
            }
            .float-cta {
                width: 52px;
                padding: 0;
                justify-content: center;
                bottom: 20px;
                right: 20px;
            }
            .float-cta .float-text {
                display: none;
            }
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #E85D3D;
            --primary-hover: #d64e30;
            --deep: #083D36;
            --deep-light: #0E4F46;
            --amber: #F0B553;
            --bg: #F5F2ED;
            --card-bg: #FFFFFF;
            --text: #1E2D2A;
            --muted: #6C7A77;
            --border: rgba(8, 61, 54, 0.12);
            --radius-lg: 14px;
            --radius-sm: 8px;
            --shadow-sm: 0 4px 12px rgba(8, 61, 54, 0.06);
            --shadow-md: 0 8px 24px rgba(8, 61, 54, 0.08);
            --shadow-lg: 0 16px 40px rgba(8, 61, 54, 0.12);
            --sp: 96px;
            --sp-mobile: 56px;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        body.nav-open {
            overflow: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s ease, opacity .2s ease, background-color .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            border: none;
            background: none;
            cursor: pointer;
            font-family: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            max-width: 1280px;
        }

        /* ===== 顶部安全提示条 ===== */
        .top-safe-bar {
            height: 36px;
            background: var(--deep);
            color: var(--amber);
            font-size: 13px;
            display: flex;
            align-items: center;
        }
        .top-safe-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .safe-tip-time i {
            margin-right: 4px;
        }
        @media (max-width: 575px) {
            .safe-tip-time {
                display: none;
            }
            .top-safe-bar .container {
                justify-content: center;
            }
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--deep);
            box-shadow: 0 4px 20px rgba(8, 61, 54, .18);
        }
        .header-inner {
            display: flex;
            align-items: center;
            height: 72px;
            gap: 20px;
        }
        .brand-logo {
            display: flex;
            align-items: baseline;
            gap: 8px;
            line-height: 1;
            flex-shrink: 0;
        }
        .brand-main {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
        }
        .brand-main::after {
            content: "";
            display: inline-block;
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--amber);
            margin-left: 6px;
            vertical-align: middle;
        }
        .brand-sub {
            font-size: 12px;
            color: var(--amber);
            letter-spacing: 2px;
            font-weight: 500;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 10px;
            margin: 0 auto;
        }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 34px;
            padding: 0 18px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, .55);
            color: #fff;
            font-size: 14px;
            font-weight: 500;
            white-space: nowrap;
            transition: all .2s ease;
        }
        .nav-chip:hover,
        .nav-chip:focus {
            background: rgba(255, 255, 255, .15);
            border-color: #fff;
            color: #fff;
        }
        .nav-chip.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }
        .nav-chip.active:hover,
        .nav-chip.active:focus {
            background: var(--primary-hover);
            border-color: var(--primary-hover);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .btn-login {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            height: 40px;
            padding: 0 22px;
            border-radius: 999px;
            background: var(--amber);
            color: var(--deep);
            font-size: 14px;
            font-weight: 700;
            box-shadow: 0 2px 8px rgba(240, 181, 83, .3);
            transition: all .2s ease;
        }
        .btn-login:hover {
            background: #f6c565;
            color: var(--deep);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(240, 181, 83, .4);
        }
        .btn-login:active {
            transform: translateY(0);
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: rgba(255, 255, 255, .1);
            color: #fff;
            font-size: 18px;
            align-items: center;
            justify-content: center;
            transition: background-color .2s ease;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, .2);
        }

        .nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(8, 61, 54, .45);
            z-index: 1040;
        }
        .nav-overlay.show {
            display: block;
        }

        /* ===== 通用按钮 ===== */
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 48px;
            padding: 0 28px;
            border-radius: 999px;
            background: var(--primary);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            border: none;
            box-shadow: 0 6px 18px rgba(232, 93, 61, .28);
            transition: all .2s ease;
        }
        .btn-primary-custom:hover {
            background: var(--primary-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 8px 22px rgba(232, 93, 61, .34);
        }
        .btn-primary-custom:active {
            transform: translateY(0);
        }

        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 48px;
            padding: 0 28px;
            border-radius: 999px;
            background: transparent;
            color: var(--deep);
            font-size: 15px;
            font-weight: 600;
            border: 1px solid rgba(8, 61, 54, .35);
            transition: all .2s ease;
        }
        .btn-outline-custom:hover {
            background: rgba(8, 61, 54, .06);
            border-color: var(--deep);
            color: var(--deep);
        }
        .btn-outline-custom:active {
            background: rgba(8, 61, 54, .1);
        }

        /* ===== 页面 Hero ===== */
        .page-hero {
            padding: 72px 0 64px;
            background: var(--bg);
            border-bottom: 1px solid var(--border);
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            height: 28px;
            padding: 0 14px;
            border-radius: 999px;
            background: var(--amber);
            color: var(--deep);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .hero-title {
            font-size: 46px;
            line-height: 1.25;
            font-weight: 700;
            color: var(--deep);
            margin-bottom: 18px;
            letter-spacing: 1px;
        }
        .hero-sub {
            font-size: 17px;
            color: var(--muted);
            max-width: 560px;
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .hero-visual {
            position: relative;
        }
        .hero-cover {
            width: 100%;
            height: 360px;
            object-fit: cover;
            border-radius: 20px;
            box-shadow: var(--shadow-md);
        }
        .hero-visual-card {
            position: absolute;
            right: -14px;
            bottom: -18px;
            display: flex;
            align-items: center;
            gap: 12px;
            background: var(--deep);
            color: #fff;
            border-radius: 16px;
            padding: 14px 20px;
            box-shadow: var(--shadow-lg);
        }
        .hero-visual-card .vc-icon {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(240, 181, 83, .18);
            color: var(--amber);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
        }
        .hero-visual-card .vc-text {
            font-size: 14px;
            line-height: 1.4;
            color: rgba(255, 255, 255, .85);
        }
        .hero-visual-card .vc-text strong {
            font-size: 20px;
            color: var(--amber);
        }

        /* ===== 通用区块 ===== */
        .section-block {
            padding: var(--sp) 0;
        }
        .section-alt {
            background: #ECE8E1;
        }
        .section-head {
            margin-bottom: 52px;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            height: 26px;
            padding: 0 14px;
            border-radius: 999px;
            background: var(--amber);
            color: var(--deep);
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 34px;
            line-height: 1.3;
            color: var(--deep);
            font-weight: 700;
            margin-bottom: 14px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--muted);
            max-width: 640px;
            margin: 0 auto;
        }
        .section-head.text-center .section-desc {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== 卖点卡片 ===== */
        .feature-card {
            height: 100%;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            position: relative;
            transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
        }
        .feature-card::before {
            content: "";
            position: absolute;
            left: 0;
            top: 24px;
            bottom: 24px;
            width: 4px;
            border-radius: 0 4px 4px 0;
            background: transparent;
            transition: background-color .2s ease;
        }
        .feature-card:hover {
            border-color: rgba(232, 93, 61, .4);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }
        .feature-card:hover::before {
            background: var(--primary);
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(8, 61, 54, .06);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 18px;
        }
        .feature-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--deep);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== 礼包卡片 ===== */
        .gift-card {
            height: 100%;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
        }
        .gift-card:hover {
            border-color: rgba(232, 93, 61, .35);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .gift-cover {
            position: relative;
            height: 190px;
            overflow: hidden;
        }
        .gift-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .3s ease;
        }
        .gift-card:hover .gift-cover img {
            transform: scale(1.04);
        }
        .gift-badge {
            position: absolute;
            left: 14px;
            top: 14px;
            height: 26px;
            line-height: 26px;
            padding: 0 14px;
            border-radius: 999px;
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
        }
        .gift-body {
            padding: 22px 22px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .gift-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--deep);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .gift-desc {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.65;
            margin-bottom: 18px;
            flex-grow: 1;
        }
        .gift-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 18px;
            font-size: 13px;
            color: var(--muted);
        }
        .gift-meta i {
            margin-right: 4px;
            color: var(--primary);
        }
        .gift-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 42px;
            border-radius: 999px;
            background: rgba(8, 61, 54, .06);
            color: var(--deep);
            font-size: 14px;
            font-weight: 600;
            transition: all .2s ease;
        }
        .gift-btn:hover {
            background: var(--primary);
            color: #fff;
        }
        .gift-btn.copied {
            background: var(--deep);
            color: var(--amber);
        }

        /* ===== 激活流程 ===== */
        .steps-wrap {
            max-width: 860px;
            margin: 0 auto;
            display: grid;
            gap: 28px;
        }
        .step-item {
            display: flex;
            gap: 24px;
            align-items: flex-start;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 28px;
            transition: box-shadow .2s ease, transform .2s ease;
        }
        .step-item:hover {
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }
        .step-num {
            font-size: 40px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1;
            font-variant-numeric: tabular-nums;
            min-width: 64px;
        }
        .step-content h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--deep);
            margin-bottom: 8px;
        }
        .step-content p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-wrap .accordion-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg) !important;
            margin-bottom: 16px;
            overflow: hidden;
            box-shadow: none !important;
        }
        .faq-wrap .accordion-button {
            background: var(--card-bg);
            color: var(--text);
            font-size: 17px;
            font-weight: 600;
            padding: 22px 26px;
            line-height: 1.5;
            box-shadow: none !important;
            border: none;
        }
        .faq-wrap .accordion-button::after {
            background-image: none;
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            content: "\f078";
            color: var(--primary);
            font-size: 15px;
            transition: transform .2s ease;
            width: auto;
            height: auto;
        }
        .faq-wrap .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
        }
        .faq-wrap .accordion-button:not(.collapsed) {
            background: rgba(8, 61, 54, .03);
            color: var(--deep);
        }
        .faq-wrap .accordion-button:focus {
            border-color: rgba(232, 93, 61, .4);
        }
        .faq-wrap .accordion-body {
            background: rgba(8, 61, 54, .02);
            color: var(--muted);
            font-size: 15px;
            line-height: 1.8;
            padding: 8px 26px 24px;
            border-top: 1px solid rgba(8, 61, 54, .05);
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: var(--sp) 0;
            background: linear-gradient(rgba(8, 61, 54, .86), rgba(8, 61, 54, .92)), url('/assets/images/backpic/back-1.png') center / cover no-repeat;
        }
        .cta-box {
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }
        .cta-box h2 {
            color: #fff;
            font-size: 34px;
            font-weight: 700;
            margin-bottom: 16px;
            line-height: 1.35;
        }
        .cta-box p {
            color: rgba(255, 255, 255, .85);
            font-size: 16px;
            margin-bottom: 30px;
            line-height: 1.8;
        }
        .cta-box .btn-primary-custom {
            background: var(--amber);
            color: var(--deep);
            box-shadow: 0 6px 20px rgba(240, 181, 83, .35);
        }
        .cta-box .btn-primary-custom:hover {
            background: #f6c565;
            color: var(--deep);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--deep);
            color: rgba(255, 255, 255, .7);
            padding: 64px 0 0;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
        }
        .footer-brand a {
            display: inline-block;
            margin-bottom: 14px;
        }
        .footer-brand .brand-main {
            font-size: 22px;
            color: #fff;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            max-width: 320px;
            color: rgba(255, 255, 255, .6);
        }
        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h4::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 24px;
            height: 3px;
            border-radius: 3px;
            background: var(--amber);
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
        }
        .footer-links a:hover {
            color: var(--amber);
        }
        .footer-contact p {
            font-size: 14px;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-contact i {
            color: var(--amber);
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            text-align: center;
            padding: 20px 0 22px;
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
        }

        /* ===== 浮动 CTA ===== */
        .float-cta {
            position: fixed;
            right: 24px;
            bottom: 28px;
            z-index: 1030;
        }
        .float-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            height: 52px;
            padding: 0 24px;
            border-radius: 999px;
            background: var(--deep);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            box-shadow: 0 6px 18px rgba(8, 61, 54, .28);
            transition: all .2s ease;
        }
        .float-cta-btn i {
            color: var(--amber);
            font-size: 17px;
        }
        .float-cta-btn:hover {
            box-shadow: 0 0 0 8px rgba(240, 181, 83, .18),
                0 8px 22px rgba(8, 61, 54, .35);
            transform: translateY(-2px);
            color: #fff;
        }
        .float-cta-btn:active {
            transform: translateY(0);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .main-nav {
                margin: 0 8px;
                gap: 8px;
                flex-wrap: wrap;
            }
            .nav-chip {
                padding: 0 14px;
                height: 32px;
                font-size: 13px;
            }
            .brand-main {
                font-size: 20px;
            }
            .hero-title {
                font-size: 36px;
            }
            .hero-cover {
                height: 280px;
            }
            .section-title {
                font-size: 28px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 767.98px) {
            .header-inner {
                height: 64px;
                gap: 12px;
            }
            .brand-sub {
                display: none;
            }
            .brand-main {
                font-size: 20px;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .main-nav {
                position: fixed;
                top: 0;
                right: 0;
                bottom: 0;
                width: 300px;
                max-width: 88vw;
                background: var(--deep);
                padding: 88px 24px 24px;
                transform: translateX(100%);
                transition: transform .2s ease;
                flex-direction: column;
                align-items: stretch;
                flex-wrap: nowrap;
                margin: 0;
                z-index: 1051;
                box-shadow: -8px 0 30px rgba(0, 0, 0, .18);
            }
            .main-nav.open {
                transform: translateX(0);
            }
            .main-nav .nav-chip {
                width: 100%;
                height: 44px;
                font-size: 15px;
                justify-content: center;
                margin-bottom: 4px;
                border-radius: 12px;
            }
            .btn-login {
                padding: 0 16px;
                height: 38px;
                font-size: 13px;
            }

            .page-hero {
                padding: 48px 0 56px;
            }
            .hero-title {
                font-size: 30px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .hero-cover {
                height: 220px;
                margin-top: 20px;
            }
            .hero-visual-card {
                right: 8px;
                bottom: -8px;
                padding: 12px 16px;
            }

            .section-block {
                padding: var(--sp-mobile) 0;
            }
            .section-head {
                margin-bottom: 36px;
            }
            .section-title {
                font-size: 24px;
            }
            .section-desc {
                font-size: 14px;
            }

            .feature-card {
                padding: 24px 20px;
            }

            .step-item {
                flex-direction: column;
                gap: 14px;
                padding: 22px 20px;
            }
            .step-num {
                font-size: 32px;
                min-width: auto;
            }

            .faq-wrap .accordion-button {
                font-size: 15px;
                padding: 18px 20px;
            }
            .faq-wrap .accordion-body {
                padding: 8px 20px 20px;
                font-size: 14px;
            }

            .cta-box h2 {
                font-size: 24px;
            }
            .cta-box p {
                font-size: 14px;
            }

            .footer-inner {
                grid-template-columns: 1fr;
                gap: 28px;
                padding-bottom: 32px;
            }
            .footer-bottom {
                padding: 16px 0;
            }

            .float-cta {
                right: 16px;
                bottom: 20px;
            }
            .float-cta-btn {
                width: 52px;
                height: 52px;
                padding: 0;
                justify-content: center;
                border-radius: 50%;
            }
            .float-cta-btn span {
                display: none;
            }
            .float-cta-btn i {
                font-size: 18px;
            }
        }

        @media (max-width: 575.98px) {
            body {
                font-size: 15px;
            }
            .hero-title {
                font-size: 26px;
            }
            .hero-actions {
                gap: 12px;
            }
            .btn-primary-custom,
            .btn-outline-custom {
                height: 44px;
                padding: 0 20px;
                font-size: 14px;
            }
            .gift-cover {
                height: 160px;
            }
        }