/* roulang page: index */
:root {
            --color-primary: #E07B27;
            --color-primary-dark: #C4641A;
            --color-dark: #191613;
            --color-bg: #F6F2EA;
            --color-card: #FFFFFF;
            --color-accent: #C9A06C;
            --color-text: #2B2622;
            --color-text-secondary: #6D645C;
            --color-success: #3E7A49;
            --radius-card: 14px;
            --radius-img: 12px;
            --radius-btn: 999px;
            --shadow-card: 0 2px 10px rgba(25, 22, 19, 0.06);
            --shadow-hover: 0 10px 30px rgba(25, 22, 19, 0.12);
            --transition: 0.25s ease;
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
        }
        img {
            display: block;
            max-width: 100%;
        }
        ul,
        ol {
            list-style: none;
        }
        a {
            text-decoration: none;
            color: var(--color-text-secondary);
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--color-primary-dark);
        }
        button {
            font-family: inherit;
            border: none;
            cursor: pointer;
            background: none;
        }
        input {
            font-family: inherit;
        }
        :focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 16px;
            font-weight: 600;
            line-height: 1.4;
            transition: all var(--transition);
            min-height: 46px;
            text-decoration: none;
            border: 1.5px solid transparent;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(224, 123, 39, 0.28);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.8);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline-dark {
            background: transparent;
            color: var(--color-text);
            border-color: var(--color-accent);
        }
        .btn-outline-dark:hover {
            background: var(--color-bg);
            color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
        }
        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: var(--radius-btn);
            font-size: 13px;
            font-weight: 500;
            background: var(--color-primary);
            color: #fff;
            line-height: 1.5;
        }
        .badge-light {
            background: rgba(224, 123, 39, 0.12);
            color: var(--color-primary-dark);
        }
        /* ===== Top Bar ===== */
        .topbar {
            background: var(--color-dark);
            color: rgba(255, 255, 255, 0.85);
            font-size: 13px;
            height: 38px;
            display: flex;
            align-items: center;
        }
        .topbar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
        }
        .topbar-domain {
            color: rgba(255, 255, 255, 0.75);
            letter-spacing: 0.3px;
        }
        .topbar-help {
            color: rgba(255, 255, 255, 0.9);
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            text-decoration: none;
            transition: color 0.2s;
        }
        .topbar-help:hover {
            color: var(--color-primary);
        }
        @media(max-width:767px) {
            .topbar {
                font-size: 12px;
                height: 34px;
            }
            .topbar-domain {
                font-size: 12px;
            }
        }
        /* ===== Header / Nav ===== */
        .header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid rgba(201, 160, 108, 0.2);
            transition: box-shadow 0.3s;
        }
        .header.scrolled {
            box-shadow: 0 4px 20px rgba(25, 22, 19, 0.08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            transition: height 0.3s;
        }
        .header.scrolled .header-inner {
            height: 60px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
        }
        .brand svg {
            width: 36px;
            height: 36px;
            flex-shrink: 0;
        }
        .brand-name {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: 0.5px;
        }
        .brand-name span {
            color: var(--color-primary);
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-list a {
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            border-radius: 8px;
            transition: all 0.2s;
            display: block;
        }
        .nav-list a:hover {
            color: var(--color-primary-dark);
            background: rgba(224, 123, 39, 0.06);
        }
        .nav-list a.active {
            color: var(--color-primary-dark);
            background: rgba(224, 123, 39, 0.10);
            font-weight: 600;
        }
        .nav-cta {
            margin-left: 8px;
            padding: 10px 24px;
            min-height: 42px;
            font-size: 15px;
        }
        .hamburger {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            background: transparent;
            flex-direction: column;
            gap: 5px;
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: all 0.3s;
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--color-bg);
            z-index: 99;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 8px;
            padding: 40px 24px;
            overflow-y: auto;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            font-size: 19px;
            font-weight: 500;
            color: var(--color-text);
            padding: 16px 24px;
            border-radius: 10px;
            min-height: 52px;
            display: flex;
            align-items: center;
            width: 100%;
            max-width: 320px;
            justify-content: center;
        }
        .mobile-menu a:hover {
            background: rgba(224, 123, 39, 0.08);
            color: var(--color-primary-dark);
        }
        .mobile-menu a.active {
            color: var(--color-primary-dark);
            font-weight: 600;
        }
        .mobile-menu-close {
            position: absolute;
            top: 16px;
            right: 16px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-card);
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text);
            box-shadow: var(--shadow-card);
            transition: all .2s;
        }
        .mobile-menu-close:hover {
            background: var(--color-primary);
            color: #fff;
        }
        @media(max-width:1023px) {
            .nav-list,
            .nav-cta {
                display: none;
            }
            .hamburger {
                display: flex;
            }
        }
        /* ===== Hero ===== */
        .hero {
            position: relative;
            background: var(--color-dark);
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            padding: 80px 0 60px;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(25, 22, 19, 0.60) 0%, rgba(25, 22, 19, 0.74) 100%);
            z-index: 1;
        }
        .hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-bento {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: 20px;
            align-items: stretch;
        }
        .hero-main {
            border-radius: var(--radius-card);
            padding: 48px 44px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.10);
            backdrop-filter: blur(6px);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .hero-main h1 {
            font-size: 42px;
            line-height: 1.3;
            color: #fff;
            letter-spacing: 1px;
            font-weight: 800;
            margin-bottom: 18px;
        }
        .hero-main h1 .brand-highlight {
            color: var(--color-primary);
        }
        .hero-desc {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            max-width: 540px;
            margin-bottom: 30px;
        }
        .hero-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .hero-mini {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .hero-mini-card {
            border-radius: var(--radius-card);
            padding: 28px 24px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.10);
            backdrop-filter: blur(6px);
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .hero-mini-card .mini-num {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.3;
        }
        .hero-mini-card .mini-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.80);
            margin-top: 4px;
        }
        .hero-mini-card .mini-icon {
            font-size: 28px;
            margin-bottom: 10px;
        }
        .hero-cta-bar {
            margin-top: 20px;
            border-radius: var(--radius-card);
            padding: 20px 32px;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-cta-bar p {
            color: rgba(255, 255, 255, 0.90);
            font-size: 15px;
        }
        .hero-cta-bar .btn {
            min-height: 42px;
            padding: 10px 22px;
            font-size: 14px;
        }
        @media(max-width:1023px) {
            .hero-bento {
                grid-template-columns: 1fr;
            }
            .hero-main h1 {
                font-size: 34px;
            }
            .hero-main {
                padding: 36px 28px;
            }
            .hero-cta-bar {
                padding: 18px 22px;
            }
        }
        @media(max-width:767px) {
            .hero {
                padding: 48px 0 40px;
                min-height: auto;
            }
            .hero-main h1 {
                font-size: 28px;
                line-height: 1.35;
            }
            .hero-desc {
                font-size: 15px;
            }
            .hero-btns .btn {
                width: 100%;
            }
            .hero-mini-card {
                padding: 20px 18px;
            }
            .hero-cta-bar {
                flex-direction: column;
                text-align: center;
            }
            .hero-cta-bar .btn {
                width: 100%;
            }
        }
        /* ===== Section ===== */
        .section-padding {
            padding: 88px 0;
        }
        .section-title {
            font-size: 30px;
            font-weight: 800;
            line-height: 1.35;
            color: var(--color-text);
            margin-bottom: 12px;
        }
        .section-sub {
            font-size: 15px;
            color: var(--color-text-secondary);
            margin-bottom: 48px;
            max-width: 600px;
            line-height: 1.7;
        }
        .section-header {
            margin-bottom: 44px;
        }
        @media(max-width:767px) {
            .section-padding {
                padding: 56px 0;
            }
            .section-title {
                font-size: 24px;
            }
        }
        /* ===== Pain Points ===== */
        .pain-points {
            background: var(--color-bg);
        }
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .pain-card {
            background: var(--color-card);
            border: 1px solid rgba(201, 160, 108, 0.25);
            border-radius: var(--radius-card);
            padding: 32px 24px;
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
        }
        .pain-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-primary);
        }
        .pain-icon {
            font-size: 42px;
            margin-bottom: 16px;
            line-height: 1;
        }
        .pain-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 8px;
        }
        .pain-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.65;
        }
        @media(max-width:1023px) {
            .pain-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media(max-width:767px) {
            .pain-grid {
                grid-template-columns: 1fr;
            }
        }
        /* ===== Live Preview ===== */
        .live-preview {
            background: var(--color-dark);
            position: relative;
            overflow: hidden;
        }
        .live-preview::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
            opacity: 0.25;
        }
        .live-preview .container {
            position: relative;
            z-index: 1;
        }
        .live-inner {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .live-copy .section-title {
            color: #fff;
        }
        .live-copy .section-sub {
            color: rgba(255, 255, 255, 0.75);
        }
        .live-countdown {
            display: flex;
            gap: 12px;
            margin-top: 28px;
            flex-wrap: wrap;
        }
        .countdown-block {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 12px;
            padding: 16px 18px;
            text-align: center;
            min-width: 72px;
            backdrop-filter: blur(4px);
        }
        .countdown-num {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.2;
        }
        .countdown-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.70);
            margin-top: 4px;
        }
        .live-highlights {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            backdrop-filter: blur(6px);
        }
        .live-highlights h3 {
            color: #fff;
            font-size: 18px;
            margin-bottom: 18px;
            font-weight: 600;
        }
        .live-highlights-item {
            display: flex;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .live-highlights-item:last-child {
            border-bottom: none;
        }
        .live-highlights-item .num {
            color: var(--color-primary);
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
        }
        .live-highlights-item p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 14px;
            line-height: 1.6;
        }
        @media(max-width:1023px) {
            .live-inner {
                grid-template-columns: 1fr;
            }
        }
        /* ===== Highlights / Guide ===== */
        .highlights {
            background: var(--color-card);
        }
        .hl-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            margin-bottom: 64px;
        }
        .hl-row:last-child {
            margin-bottom: 0;
        }
        .hl-row.reverse {
            direction: rtl;
        }
        .hl-row.reverse>* {
            direction: ltr;
        }
        .hl-img {
            border-radius: var(--radius-img);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            position: relative;
        }
        .hl-img img {
            width: 100%;
            height: 340px;
            object-fit: cover;
            border-radius: var(--radius-img);
        }
        .hl-img .badge {
            position: absolute;
            top: 16px;
            left: 16px;
        }
        .hl-content {
            padding: 20px 0;
        }
        .hl-content .section-sub {
            margin-bottom: 24px;
        }
        .hl-points {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .hl-point {
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }
        .hl-point-num {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            background: rgba(224, 123, 39, 0.10);
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .hl-point h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 4px;
        }
        .hl-point p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.65;
        }
        @media(max-width:1023px) {
            .hl-row,
            .hl-row.reverse {
                grid-template-columns: 1fr;
                direction: ltr;
                gap: 24px;
            }
            .hl-img img {
                height: 260px;
            }
        }
        /* ===== News ===== */
        .news {
            background: var(--color-bg);
        }
        .news-layout {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 40px;
            align-items: start;
        }
        .news-list {
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid rgba(201, 160, 108, 0.15);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }
        .news-item {
            padding: 20px 24px;
            border-bottom: 1px solid rgba(201, 160, 108, 0.15);
            transition: all 0.2s;
            display: flex;
            gap: 14px;
            align-items: baseline;
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .news-item:hover {
            background: rgba(224, 123, 39, 0.03);
        }
        .news-date {
            font-size: 12px;
            color: var(--color-accent);
            font-family: monospace;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .news-item a {
            font-size: 15px;
            color: var(--color-text);
            font-weight: 500;
            text-decoration: none;
            transition: color 0.2s;
            line-height: 1.6;
        }
        .news-item:hover a {
            color: var(--color-primary-dark);
        }
        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .sidebar-block {
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid rgba(201, 160, 108, 0.15);
            box-shadow: var(--shadow-card);
            padding: 28px 24px;
        }
        .sidebar-block h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 16px;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-cloud a {
            font-size: 13px;
            padding: 6px 16px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--color-accent);
            color: var(--color-text-secondary);
            transition: all 0.2s;
        }
        .tag-cloud a:hover {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }
        .sidebar-links {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .sidebar-links a {
            padding: 10px 0;
            font-size: 14px;
            color: var(--color-text);
            border-bottom: 1px solid rgba(201, 160, 108, 0.10);
            transition: all 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-links a::before {
            content: '→';
            color: var(--color-primary);
            font-weight: 600;
        }
        .sidebar-links a:hover {
            color: var(--color-primary-dark);
            padding-left: 4px;
        }
        @media(max-width:1023px) {
            .news-layout {
                grid-template-columns: 1fr;
            }
        }
        /* ===== Stats ===== */
        .stats {
            background: var(--color-dark);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }
        .stat-item {
            padding: 32px 16px;
            border-radius: var(--radius-card);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all 0.3s;
        }
        .stat-item:hover {
            border-color: var(--color-primary);
            background: rgba(255, 255, 255, 0.07);
        }
        .stat-num {
            font-size: 52px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            margin-top: 8px;
        }
        @media(max-width:1023px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media(max-width:767px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stat-num {
                font-size: 38px;
            }
            .stat-item {
                padding: 22px 12px;
            }
        }
        /* ===== Testimonials ===== */
        .testimonials {
            background: var(--color-bg);
        }
        .testi-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .testi-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid rgba(201, 160, 108, 0.18);
            box-shadow: var(--shadow-card);
            padding: 32px 28px;
            transition: all var(--transition);
        }
        .testi-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .testi-quote {
            font-size: 42px;
            line-height: 1;
            color: var(--color-primary);
            margin-bottom: 8px;
            font-family: Georgia, serif;
        }
        .testi-text {
            font-size: 14px;
            line-height: 1.75;
            color: var(--color-text);
            margin-bottom: 20px;
        }
        .testi-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .testi-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            object-fit: cover;
            background: var(--color-accent);
        }
        .testi-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
        }
        .testi-role {
            font-size: 12px;
            color: var(--color-text-secondary);
        }
        .testi-stars {
            margin-left: auto;
            color: var(--color-primary);
            font-size: 14px;
            letter-spacing: 1px;
        }
        @media(max-width:1023px) {
            .testi-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media(max-width:767px) {
            .testi-grid {
                grid-template-columns: 1fr;
            }
        }
        /* ===== Subscribe ===== */
        .subscribe {
            background: var(--color-card);
        }
        .subscribe-inner {
            max-width: 680px;
            margin: 0 auto;
            text-align: center;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 32px auto 0;
        }
        .subscribe-form input {
            flex: 1;
            height: 50px;
            border: 1.5px solid var(--color-accent);
            border-radius: var(--radius-btn);
            padding: 0 22px;
            font-size: 15px;
            color: var(--color-text);
            background: var(--color-bg);
            transition: border 0.2s;
        }
        .subscribe-form input:focus {
            outline: none;
            border-color: var(--color-primary);
        }
        .subscribe-form .btn {
            min-height: 50px;
        }
        .subscribe-note {
            font-size: 12px;
            color: var(--color-text-secondary);
            margin-top: 16px;
        }
        @media(max-width:767px) {
            .subscribe-form {
                flex-direction: column;
            }
        }
        /* ===== FAQ ===== */
        .faq {
            background: var(--color-bg);
        }
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .faq-item {
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid rgba(201, 160, 108, 0.15);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all 0.2s;
        }
        .faq-item:hover {
            border-color: var(--color-primary);
        }
        .faq-question {
            padding: 20px 24px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            min-height: 56px;
        }
        .faq-question .faq-icon {
            font-size: 20px;
            color: var(--color-primary);
            transition: transform 0.3s;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 14px;
            line-height: 1.7;
            color: var(--color-text-secondary);
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        @media(max-width:1023px) {
            .faq-grid {
                grid-template-columns: 1fr;
            }
        }
        /* ===== Final CTA ===== */
        .final-cta {
            position: relative;
            background: var(--color-dark);
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            padding: 96px 0;
            text-align: center;
            overflow: hidden;
        }
        .final-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(25, 22, 19, 0.70) 0%, rgba(25, 22, 19, 0.82) 100%);
            z-index: 1;
        }
        .final-cta .container {
            position: relative;
            z-index: 2;
        }
        .cta-title {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            line-height: 1.35;
            margin-bottom: 14px;
        }
        .cta-sub {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.80);
            margin-bottom: 36px;
        }
        .cta-btns {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        @media(max-width:767px) {
            .final-cta {
                padding: 56px 0;
            }
            .cta-title {
                font-size: 24px;
            }
            .cta-btns .btn {
                width: 100%;
            }
        }
        /* ===== Footer ===== */
        .footer {
            background: var(--color-dark);
            color: rgba(255, 255, 255, 0.75);
            font-size: 14px;
            padding-top: 72px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand svg {
            width: 36px;
            height: 36px;
            margin-bottom: 14px;
        }
        .footer-brand-name {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-brand-name span {
            color: var(--color-primary);
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.60);
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: color 0.2s;
        }
        .footer-col ul a:hover {
            color: var(--color-primary);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.50);
        }
        @media(max-width:1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media(max-width:767px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: category1 */
:root {
  --color-primary: #E07B27;
  --color-primary-dark: #C4641A;
  --color-dark: #191613;
  --color-bg: #F6F2EA;
  --color-card: #FFFFFF;
  --color-accent: #C9A06C;
  --color-text: #2B2622;
  --color-text-secondary: #6D645C;
  --color-success: #3E7A49;
  --radius-card: 14px;
  --radius-img: 12px;
  --radius-btn: 999px;
  --shadow-card: 0 2px 10px rgba(25, 22, 19, 0.06);
  --shadow-hover: 0 10px 30px rgba(25, 22, 19, 0.12);
  --transition: 0.25s ease;
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

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

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

ul, ol {
  list-style: none;
}

a {
  text-decoration: none;
  color: var(--color-text-secondary);
  transition: color 0.2s ease;
}

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

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

input, select {
  font-family: inherit;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  transition: all var(--transition);
  min-height: 46px;
  text-decoration: none;
  border: 1.5px solid transparent;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(224, 123, 39, 0.28);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.8);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border-color: #fff;
  transform: translateY(-2px);
}

.btn-outline-dark {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-accent);
}

.btn-outline-dark:hover {
  background: var(--color-bg);
  color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: var(--radius-btn);
  font-size: 13px;
  font-weight: 500;
  background: var(--color-primary);
  color: #fff;
  line-height: 1.5;
}

.badge-light {
  background: rgba(224, 123, 39, 0.12);
  color: var(--color-primary-dark);
}

/* ===== Top Bar ===== */
.topbar {
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.85);
  font-size: 13px;
  height: 38px;
  display: flex;
  align-items: center;
}

.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.topbar-domain {
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: 0.3px;
}

.topbar-help {
  color: rgba(255, 255, 255, 0.9);
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  text-decoration: none;
  transition: color 0.2s;
}

.topbar-help:hover {
  color: var(--color-primary);
}

/* ===== Header / Nav ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(201, 160, 108, 0.2);
  transition: box-shadow 0.3s;
}

.header.scrolled {
  box-shadow: 0 4px 20px rgba(25, 22, 19, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  transition: height 0.3s;
}

.header.scrolled .header-inner {
  height: 60px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand svg {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.brand-name {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: 0.5px;
}

.brand-name span {
  color: var(--color-primary);
}

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

.nav-list a {
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  border-radius: 8px;
  transition: all 0.2s;
  display: block;
}

.nav-list a:hover {
  color: var(--color-primary-dark);
  background: rgba(224, 123, 39, 0.06);
}

.nav-list a.active {
  color: var(--color-primary);
  background: rgba(224, 123, 39, 0.08);
  font-weight: 600;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;