/* roulang page: index */
:root {
            --primary: #1E2A2B;
            --primary-dark: #141C1D;
            --accent: #C49A6C;
            --accent-light: #D6B896;
            --cta: #E4573D;
            --cta-hover: #C9432E;
            --safety: #2F4A43;
            --safety-light: #E8F0ED;
            --bg-warm: #F7F4EE;
            --bg-white: #FFFFFF;
            --bg-dark: #1A1F22;
            --text-primary: #1A1E22;
            --text-secondary: #5D6467;
            --text-inverse: #F5F0E8;
            --border-light: #E5E0D8;
            --border-warm: #D9D2C5;
            --radius-card: 14px;
            --radius-btn: 8px;
            --radius-input: 10px;
            --radius-panel: 20px;
            --shadow-card: 0 8px 24px rgba(26, 30, 34, 0.06);
            --shadow-hover: 0 14px 34px rgba(26, 30, 34, 0.12);
            --font-sans: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', sans-serif;
            --font-num: 'Roboto', 'DIN Alternate', 'Helvetica Neue', sans-serif;
            --section-pad-desktop: 72px;
            --section-pad-mobile: 44px;
            --nav-height: 68px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

        button {
            cursor: pointer;
        }

        .container {
            width: 100%;
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 28px;
        }

        .section {
            padding: var(--section-pad-desktop) 0;
        }
        .section--warm {
            background: var(--bg-warm);
        }
        .section--white {
            background: var(--bg-white);
        }
        .section--dark {
            background: var(--bg-dark);
            color: var(--text-inverse);
        }
        .section--primary {
            background: var(--primary);
            color: var(--text-inverse);
        }

        .section__label {
            display: inline-block;
            font-size: 13px;
            letter-spacing: 0.12em;
            color: var(--accent);
            font-weight: 600;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section--dark .section__label,
        .section--primary .section__label {
            color: var(--accent-light);
        }

        .section__title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }
        .section__title em {
            font-style: normal;
            color: var(--cta);
        }

        .section__desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: 32px;
        }
        .section--dark .section__desc {
            color: rgba(245, 240, 232, 0.72);
        }
        .section--primary .section__desc {
            color: rgba(245, 240, 232, 0.72);
        }

        /* ===== Header ===== */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--primary);
            height: var(--nav-height);
            border-bottom: 1px solid rgba(196, 154, 108, 0.25);
        }
        .header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-inverse);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .logo__mark {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent) 0%, var(--cta) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            flex-shrink: 0;
        }
        .logo span {
            color: var(--accent-light);
        }
        .logo:hover {
            color: var(--text-inverse);
        }

        .nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav__link {
            display: block;
            padding: 8px 14px;
            font-size: 14px;
            color: rgba(245, 240, 232, 0.82);
            border-radius: 6px;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .nav__link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .nav__link.active {
            color: #fff;
            background: rgba(196, 154, 108, 0.2);
            font-weight: 600;
        }
        .nav__cta {
            display: inline-block;
            margin-left: 10px;
            padding: 9px 20px;
            background: var(--cta);
            color: #fff;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: all 0.3s ease;
        }
        .nav__cta:hover {
            background: var(--cta-hover);
            color: #fff;
            box-shadow: 0 6px 20px rgba(228, 87, 61, 0.35);
            transform: translateY(-1px);
        }
        .nav__cta:active {
            transform: translateY(1px);
            box-shadow: none;
        }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            background: transparent;
            border: 1px solid rgba(245, 240, 232, 0.3);
            border-radius: 8px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
        }
        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-inverse);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .mobile-nav {
            display: none;
            background: var(--primary);
            border-top: 1px solid rgba(196, 154, 108, 0.2);
            padding: 12px 0 20px;
        }
        .mobile-nav a {
            display: block;
            padding: 12px 28px;
            color: rgba(245, 240, 232, 0.85);
            font-size: 15px;
            border-left: 3px solid transparent;
            transition: all 0.25s ease;
        }
        .mobile-nav a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
            border-left-color: var(--accent);
        }
        .mobile-nav a.active {
            color: #fff;
            border-left-color: var(--cta);
            background: rgba(196, 154, 108, 0.12);
            font-weight: 600;
        }
        .mobile-nav .nav__cta {
            display: block;
            margin: 10px 28px 0;
            text-align: center;
            border-radius: var(--radius-btn);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background: var(--primary);
            color: var(--text-inverse);
            overflow: hidden;
            min-height: 620px;
            display: flex;
            align-items: center;
            padding: 80px 0 90px;
        }
        .hero__bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/806be927996978c2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.28;
            z-index: 0;
        }
        .hero__overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 28, 29, 0.92) 0%, rgba(26, 31, 34, 0.75) 55%, rgba(30, 42, 43, 0.62) 100%);
            z-index: 1;
        }
        .hero__inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }
        .hero__content {
            max-width: 560px;
        }
        .hero__tag {
            display: inline-block;
            padding: 6px 14px;
            border: 1px solid var(--accent);
            border-radius: 20px;
            font-size: 12px;
            color: var(--accent-light);
            letter-spacing: 0.08em;
            margin-bottom: 18px;
            background: rgba(196, 154, 108, 0.1);
        }
        .hero__title {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            color: #fff;
        }
        .hero__title em {
            font-style: normal;
            color: var(--accent-light);
        }
        .hero__subtitle {
            font-size: 16px;
            line-height: 1.85;
            color: rgba(245, 240, 232, 0.82);
            margin-bottom: 28px;
            max-width: 480px;
        }
        .hero__points {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 32px;
        }
        .hero__point {
            display: inline-block;
            padding: 6px 14px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 6px;
            font-size: 13px;
            color: rgba(245, 240, 232, 0.9);
        }
        .hero__actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-block;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            text-align: center;
            transition: all 0.3s ease;
            border: 2px solid transparent;
            line-height: 1.4;
        }
        .btn--cta {
            background: var(--cta);
            color: #fff;
            border-color: var(--cta);
        }
        .btn--cta:hover {
            background: var(--cta-hover);
            border-color: var(--cta-hover);
            color: #fff;
            box-shadow: 0 8px 24px rgba(228, 87, 61, 0.4);
            transform: translateY(-2px);
        }
        .btn--cta:active {
            transform: translateY(1px);
            box-shadow: none;
        }
        .btn--ghost {
            background: transparent;
            color: var(--text-inverse);
            border-color: rgba(245, 240, 232, 0.4);
        }
        .btn--ghost:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(245, 240, 232, 0.7);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn--accent {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }
        .btn--accent:hover {
            background: var(--accent-light);
            border-color: var(--accent-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(196, 154, 108, 0.35);
        }
        .btn--outline-accent {
            background: transparent;
            color: var(--primary);
            border-color: var(--accent);
        }
        .btn--outline-accent:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
        }

        .hero__form-card {
            background: #fff;
            border-radius: var(--radius-panel);
            padding: 32px 28px;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
            color: var(--text-primary);
        }
        .hero__form-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--primary);
        }
        .hero__form-sub {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 18px;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .form-input {
            width: 100%;
            padding: 12px 14px;
            border: 1.5px solid var(--border-light);
            border-radius: var(--radius-input);
            font-size: 14px;
            background: #faf9f7;
            transition: all 0.3s ease;
            color: var(--text-primary);
        }
        .form-input:focus {
            border-color: var(--cta);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(228, 87, 61, 0.1);
        }
        .form-input::placeholder {
            color: #aaa5a0;
        }
        .form-row {
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .form-row .form-input {
            flex: 1;
            min-width: 0;
        }
        .btn--code {
            padding: 12px 16px;
            background: #fff;
            border: 1.5px solid var(--border-light);
            border-radius: var(--radius-input);
            font-size: 13px;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all 0.3s ease;
        }
        .btn--code:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: #fdfcf9;
        }
        .form-btn {
            width: 100%;
            padding: 14px;
            background: var(--cta);
            color: #fff;
            border-radius: var(--radius-btn);
            font-size: 16px;
            font-weight: 700;
            transition: all 0.3s ease;
            letter-spacing: 0.04em;
        }
        .form-btn:hover {
            background: var(--cta-hover);
            box-shadow: 0 8px 20px rgba(228, 87, 61, 0.35);
            transform: translateY(-1px);
        }
        .form-btn:active {
            transform: translateY(1px);
            box-shadow: none;
        }
        .form-note {
            font-size: 12px;
            color: var(--text-secondary);
            margin-top: 12px;
            line-height: 1.6;
            text-align: center;
        }

        /* ===== Risk Banner ===== */
        .risk-banner {
            background: #FFF8F0;
            border-bottom: 1px solid rgba(228, 87, 61, 0.25);
            padding: 14px 0;
        }
        .risk-banner__inner {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .risk-banner__icon {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--cta);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
        }
        .risk-banner__text {
            flex: 1;
            font-size: 13px;
            color: #8C4A2F;
            line-height: 1.7;
            font-weight: 500;
        }
        .risk-banner__close {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            background: transparent;
            border: none;
            font-size: 16px;
            color: #8C4A2F;
            cursor: pointer;
            border-radius: 4px;
            transition: all 0.3s ease;
        }
        .risk-banner__close:hover {
            background: rgba(228, 87, 61, 0.1);
        }

        /* ===== Stats ===== */
        .stats {
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            padding: 32px 0;
        }
        .stats__grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-item {
            text-align: center;
            padding: 8px 12px;
        }
        .stat-item__num {
            font-family: var(--font-num);
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .stat-item__num em {
            font-style: normal;
            font-size: 18px;
            color: var(--cta);
            margin-left: 2px;
        }
        .stat-item__label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        /* ===== Steps ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }
        .step-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 26px 22px;
            position: relative;
            transition: all 0.35s ease;
            box-shadow: var(--shadow-card);
        }
        .step-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
            transform: translateY(-3px);
        }
        .step-card__num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--accent-light);
            font-family: var(--font-num);
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .step-card__title {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .step-card__desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 10px;
        }
        .step-card__time {
            font-size: 12px;
            color: var(--safety);
            font-weight: 600;
            background: var(--safety-light);
            display: inline-block;
            padding: 4px 10px;
            border-radius: 4px;
        }

        /* ===== Scenario Grid ===== */
        .scenario-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 20px;
        }
        .scenario-card {
            background: #fff;
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: all 0.35s ease;
            display: block;
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
            transform: translateY(-4px);
            color: inherit;
        }
        .scenario-card__img {
            height: 160px;
            overflow: hidden;
            position: relative;
        }
        .scenario-card__img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .scenario-card:hover .scenario-card__img img {
            transform: scale(1.05);
        }
        .scenario-card__body {
            padding: 20px 22px;
        }
        .scenario-card__title {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }
        .scenario-card__desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== Product Table ===== */
        .product-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .product-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            box-shadow: var(--shadow-card);
            transition: all 0.35s ease;
        }
        .product-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
            transform: translateY(-3px);
        }
        .product-card__tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 4px;
            background: var(--safety-light);
            color: var(--safety);
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }
        .product-card__tag.hot {
            background: rgba(228, 87, 61, 0.1);
            color: var(--cta);
        }
        .product-card__title {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }
        .product-card__spec {
            list-style: none;
            margin-top: 10px;
        }
        .product-card__spec li {
            display: flex;
            justify-content: space-between;
            padding: 7px 0;
            border-bottom: 1px dashed var(--border-light);
            font-size: 13px;
        }
        .product-card__spec li:last-child {
            border-bottom: none;
        }
        .product-card__spec .label {
            color: var(--text-secondary);
        }
        .product-card__spec .value {
            font-weight: 600;
            color: var(--primary);
        }
        .product-card__link {
            display: block;
            text-align: center;
            margin-top: 14px;
            padding: 10px;
            border: 1.5px solid var(--border-light);
            border-radius: var(--radius-btn);
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            transition: all 0.3s ease;
        }
        .product-card__link:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: #fdfcf9;
        }

        /* ===== Safety Section ===== */
        .safety-grid {
            display: grid;
            grid-template-columns: 0.85fr 1.15fr;
            gap: 40px;
            align-items: center;
        }
        .safety-img {
            border-radius: var(--radius-panel);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            position: relative;
        }
        .safety-img img {
            width: 100%;
            height: 340px;
            object-fit: cover;
        }
        .safety-img__overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(30,42,43,0.15) 0%, rgba(30,42,43,0.6) 100%);
        }
        .safety-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .safety-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            padding: 16px 18px;
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            transition: all 0.3s ease;
        }
        .safety-item:hover {
            border-color: var(--safety);
            box-shadow: var(--shadow-card);
        }
        .safety-item__icon {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--safety-light);
            color: var(--safety);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
        }
        .safety-item__title {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 3px;
        }
        .safety-item__desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* ===== Software Scroll ===== */
        .soft-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding-bottom: 12px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--accent) var(--border-light);
        }
        .soft-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .soft-scroll::-webkit-scrollbar-track {
            background: var(--border-light);
            border-radius: 3px;
        }
        .soft-scroll::-webkit-scrollbar-thumb {
            background: var(--accent);
            border-radius: 3px;
        }
        .soft-card {
            flex-shrink: 0;
            width: 240px;
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            padding: 22px 18px;
            scroll-snap-align: start;
            transition: all 0.35s ease;
            box-shadow: var(--shadow-card);
        }
        .soft-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
            transform: translateY(-3px);
        }
        .soft-card__img {
            height: 120px;
            border-radius: 10px;
            overflow: hidden;
            margin-bottom: 14px;
            background: var(--bg-warm);
        }
        .soft-card__img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .soft-card__title {
            font-size: 15px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 5px;
        }
        .soft-card__desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ===== News Section ===== */
        .news-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .news-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 18px 20px;
            transition: all 0.35s ease;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
            transform: translateY(-3px);
        }
        .news-card__meta {
            display: flex;
            gap: 10px;
            align-items: center;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }
        .news-card__time {
            font-family: var(--font-num);
            font-size: 12px;
            color: var(--text-secondary);
        }
        .news-card__cat {
            font-size: 11px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 4px;
            background: var(--safety-light);
            color: var(--safety);
            letter-spacing: 0.04em;
        }
        .news-card__title {
            font-size: 15px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card__title a {
            color: inherit;
        }
        .news-card__title a:hover {
            color: var(--cta);
        }
        .news-card__excerpt {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .news-empty {
            text-align: center;
            padding: 40px 20px;
            background: #fff;
            border-radius: var(--radius-card);
            border: 1.5px dashed var(--border-light);
            color: var(--text-secondary);
            font-size: 14px;
        }
        .news-more {
            text-align: center;
            margin-top: 24px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: 10px;
            margin-bottom: 10px;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .faq-item:hover {
            border-color: var(--accent);
        }
        .faq-item__q {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 20px;
            background: #fff;
            border: none;
            cursor: pointer;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            text-align: left;
            gap: 14px;
            transition: all 0.3s ease;
            line-height: 1.5;
        }
        .faq-item__q:hover {
            color: var(--cta);
        }
        .faq-item__icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 6px;
            background: var(--bg-warm);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            transition: all 0.3s ease;
        }
        .faq-item__a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 20px;
        }
        .faq-item__a-inner {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.8;
            padding: 14px 0;
            border-top: 1px solid var(--border-light);
        }
        .faq-item.open .faq-item__a {
            max-height: 220px;
            padding: 0 20px;
        }
        .faq-item.open .faq-item__icon {
            transform: rotate(45deg);
            background: var(--cta);
            color: #fff;
        }

        /* ===== Rates ===== */
        .rates-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .rate-item {
            background: #fff;
            border-radius: 10px;
            padding: 18px 20px;
            border: 1px solid var(--border-light);
            transition: all 0.3s ease;
        }
        .rate-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-card);
        }
        .rate-item__label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 4px;
        }
        .rate-item__value {
            font-family: var(--font-num);
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
        }
        .rate-item__value em {
            font-style: normal;
            font-size: 13px;
            color: var(--cta);
            margin-left: 4px;
        }
        .rate-item__desc {
            font-size: 12px;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        /* ===== Timeline ===== */
        .demo-timeline {
            max-width: 720px;
            margin: 0 auto;
            position: relative;
            padding-left: 32px;
        }
        .demo-timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 4px;
            bottom: 4px;
            width: 3px;
            background: var(--border-light);
            border-radius: 2px;
        }
        .demo-item {
            position: relative;
            margin-bottom: 20px;
            padding: 18px 20px;
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            transition: all 0.3s ease;
            box-shadow: var(--shadow-card);
        }
        .demo-item:hover {
            border-color: var(--accent);
            transform: translateX(4px);
        }
        .demo-item::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 22px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent);
            border: 2px solid #fff;
            box-shadow: 0 0 0 3px var(--border-light);
        }
        .demo-item__time {
            font-family: var(--font-num);
            font-size: 12px;
            color: var(--cta);
            font-weight: 600;
            margin-bottom: 4px;
        }
        .demo-item__title {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 3px;
        }
        .demo-item__desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ===== Convert Form ===== */
        .convert-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .convert-info__title {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-inverse);
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .convert-info__desc {
            font-size: 14px;
            color: rgba(245, 240, 232, 0.72);
            line-height: 1.8;
            max-width: 400px;
        }
        .convert-form {
            background: #fff;
            border-radius: var(--radius-panel);
            padding: 32px 28px;
            box-shadow: 0 20px 44px rgba(0, 0, 0, 0.3);
        }
        .convert-form .form-group {
            margin-bottom: 14px;
        }
        .convert-form .form-btn {
            margin-top: 4px;
        }

        /* ===== Footer CTA ===== */
        .footer-cta {
            background: var(--primary);
            color: var(--text-inverse);
            padding: 56px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .footer-cta__bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/e1b84d5b4fca6874.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }
        .footer-cta__inner {
            position: relative;
            z-index: 1;
        }
        .footer-cta__title {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 10px;
            color: #fff;
            letter-spacing: -0.01em;
        }
        .footer-cta__sub {
            font-size: 14px;
            color: rgba(245, 240, 232, 0.7);
            margin-bottom: 24px;
            line-height: 1.7;
        }
        .footer-cta__btn {
            display: inline-block;
            padding: 15px 40px;
            background: var(--cta);
            color: #fff;
            border-radius: var(--radius-btn);
            font-size: 16px;
            font-weight: 700;
            letter-spacing: 0.04em;
            transition: all 0.3s ease;
            border: none;
        }
        .footer-cta__btn:hover {
            background: var(--cta-hover);
            box-shadow: 0 10px 28px rgba(228, 87, 61, 0.45);
            transform: translateY(-2px);
            color: #fff;
        }
        .footer-cta__note {
            font-size: 12px;
            color: rgba(245, 240, 232, 0.5);
            margin-top: 14px;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--primary-dark);
            color: rgba(245, 240, 232, 0.75);
            padding: 56px 0 28px;
            border-top: 1px solid rgba(196, 154, 108, 0.2);
        }
        .footer__grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 0.8fr 1.2fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer__logo {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer__logo .logo__mark {
            width: 28px;
            height: 28px;
            font-size: 14px;
        }
        .footer__desc {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(245, 240, 232, 0.55);
        }
        .footer__col-title {
            font-size: 13px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.04em;
            margin-bottom: 14px;
        }
        .footer__links {
            list-style: none;
        }
        .footer__links li {
            margin-bottom: 8px;
        }
        .footer__links a {
            font-size: 13px;
            color: rgba(245, 240, 232, 0.6);
            transition: all 0.3s ease;
        }
        .footer__links a:hover {
            color: var(--accent-light);
        }
        .footer__contact {
            font-size: 13px;
            color: rgba(245, 240, 232, 0.6);
            line-height: 1.8;
        }
        .footer__risk {
            font-size: 12px;
            color: rgba(245, 240, 232, 0.45);
            line-height: 1.7;
            background: rgba(228, 87, 61, 0.08);
            padding: 12px 16px;
            border-radius: 8px;
            border-left: 3px solid var(--cta);
        }
        .footer__bottom {
            border-top: 1px solid rgba(245, 240, 232, 0.12);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 12px;
            color: rgba(245, 240, 232, 0.45);
        }
        .footer__bottom a {
            color: rgba(245, 240, 232, 0.45);
        }
        .footer__bottom a:hover {
            color: var(--accent-light);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero {
                min-height: auto;
                padding: 60px 0 70px;
            }
            .hero__inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero__content {
                max-width: 100%;
            }
            .hero__title {
                font-size: 34px;
            }
            .stats__grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .product-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .safety-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .safety-img img {
                height: 240px;
            }
            .news-list {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .rates-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .convert-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer__grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
            .scenario-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-nav {
                display: block;
            }
            .mobile-nav.hidden {
                display: none;
            }
            .header__inner {
                height: var(--nav-height);
            }
            .header {
                height: var(--nav-height);
            }
            .section {
                padding: var(--section-pad-mobile) 0;
            }
            .section__title {
                font-size: 24px;
            }
            .hero {
                padding: 44px 0 52px;
            }
            .hero__title {
                font-size: 28px;
            }
            .hero__subtitle {
                font-size: 14px;
            }
            .hero__actions {
                flex-direction: column;
            }
            .hero__actions .btn {
                width: 100%;
                text-align: center;
            }
            .hero__form-card {
                padding: 24px 20px;
            }
            .stat-item__num {
                font-size: 24px;
            }
            .stat-item__num em {
                font-size: 14px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .product-grid {
                grid-template-columns: 1fr;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .news-list {
                grid-template-columns: 1fr;
            }
            .rates-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer__grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-cta__title {
                font-size: 22px;
            }
            .footer-cta__btn {
                padding: 13px 28px;
                font-size: 14px;
            }
            .soft-card {
                width: 200px;
            }
            .risk-banner__inner {
                flex-wrap: wrap;
            }
            .demo-timeline {
                padding-left: 24px;
            }
            .demo-item::before {
                left: -20px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero__title {
                font-size: 24px;
            }
            .section__title {
                font-size: 22px;
            }
            .stat-item__num {
                font-size: 20px;
            }
            .rates-grid {
                grid-template-columns: 1fr;
            }
            .footer__bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-cta__title {
                font-size: 20px;
            }
            .convert-form {
                padding: 24px 18px;
            }
            .hero__form-card {
                padding: 20px 16px;
            }
            .product-card {
                padding: 18px 16px;
            }
            .step-card {
                padding: 20px 16px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1E2A2B;
            --primary-dark: #141C1D;
            --accent: #C49A6C;
            --accent-light: #D6B896;
            --cta: #E4573D;
            --cta-hover: #C9432E;
            --safety: #2F4A43;
            --safety-light: #E8F0ED;
            --bg-warm: #F7F4EE;
            --bg-white: #FFFFFF;
            --bg-dark: #1A1F22;
            --text-primary: #1A1E22;
            --text-secondary: #5D6467;
            --text-inverse: #F5F0E8;
            --border-light: #E5E0D8;
            --border-warm: #D9D2C5;
            --radius-card: 14px;
            --radius-btn: 8px;
            --radius-input: 10px;
            --radius-panel: 20px;
            --shadow-card: 0 8px 24px rgba(26, 30, 34, 0.06);
            --shadow-hover: 0 14px 34px rgba(26, 30, 34, 0.12);
            --font-sans: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', sans-serif;
            --font-num: 'Roboto', 'DIN Alternate', 'Helvetica Neue', sans-serif;
            --section-pad-desktop: 72px;
            --section-pad-mobile: 44px;
            --nav-height: 68px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }
        a:hover {
            color: var(--cta);
        }
        button,
        input,
        select {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
        }
        button {
            cursor: pointer;
        }
        .container {
            width: 100%;
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 28px;
        }
        .section {
            padding: var(--section-pad-desktop) 0;
        }
        .section--warm {
            background: var(--bg-warm);
        }
        .section--white {
            background: var(--bg-white);
        }
        .section--dark {
            background: var(--bg-dark);
            color: var(--text-inverse);
        }
        .section--primary {
            background: var(--primary);
            color: var(--text-inverse);
        }
        .section__label {
            display: inline-block;
            font-size: 13px;
            letter-spacing: 0.12em;
            color: var(--accent);
            font-weight: 600;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section--dark .section__label,
        .section--primary .section__label {
            color: var(--accent-light);
        }
        .section__title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }
        .section__title em {
            font-style: normal;
            color: var(--cta);
        }
        .section__desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: 32px;
        }
        .section--dark .section__desc {
            color: rgba(245, 240, 232, 0.72);
        }
        .section--primary .section__desc {
            color: rgba(245, 240, 232, 0.72);
        }

        /* ===== Header ===== */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--primary);
            height: var(--nav-height);
            border-bottom: 1px solid rgba(196, 154, 108, 0.25);
        }
        .header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-inverse);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .logo__mark {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent) 0%, var(--cta) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            flex-shrink: 0;
        }
        .logo span {
            color: var(--accent-light);
        }
        .logo:hover {
            color: var(--text-inverse);
        }
        .nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav__link {
            display: block;
            padding: 8px 14px;
            font-size: 14px;
            color: rgba(245, 240, 232, 0.82);
            border-radius: 6px;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .nav__link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .nav__link.active {
            color: #fff;
            background: rgba(196, 154, 108, 0.2);
            font-weight: 600;
        }
        .nav__cta {
            display: inline-block;
            margin-left: 10px;
            padding: 9px 20px;
            background: var(--cta);
            color: #fff;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: all 0.3s ease;
        }
        .nav__cta:hover {
            background: var(--cta-hover);
            color: #fff;
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            padding: 8px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 8px;
        }
        .nav-toggle span {
            display: block;
            width: 100%;
            height: 2px;
            background: var(--text-inverse);
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        .mobile-drawer {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--primary-dark);
            z-index: 999;
            padding: 28px;
            overflow-y: auto;
            transform: translateX(-100%);
            transition: transform 0.35s ease;
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .mobile-drawer__link {
            display: block;
            padding: 14px 8px;
            font-size: 16px;
            color: rgba(245, 240, 232, 0.82);
            border-bottom: 1px solid rgba(196, 154, 108, 0.18);
            transition: all 0.25s ease;
        }
        .mobile-drawer__link:hover {
            color: #fff;
            padding-left: 14px;
        }
        .mobile-drawer__link.active {
            color: var(--accent-light);
            font-weight: 600;
        }
        .mobile-drawer__cta {
            display: block;
            margin-top: 18px;
            padding: 13px 24px;
            background: var(--cta);
            color: #fff;
            border-radius: var(--radius-btn);
            font-size: 16px;
            font-weight: 600;
            text-align: center;
            transition: all 0.3s ease;
        }
        .mobile-drawer__cta:hover {
            background: var(--cta-hover);
            color: #fff;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-block;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            transition: all 0.3s ease;
            text-align: center;
            cursor: pointer;
            border: none;
            line-height: 1.5;
        }
        .btn--cta {
            background: var(--cta);
            color: #fff;
            box-shadow: 0 4px 14px rgba(228, 87, 61, 0.3);
        }
        .btn--cta:hover {
            background: var(--cta-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(228, 87, 61, 0.4);
        }
        .btn--cta:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(228, 87, 61, 0.3);
        }
        .btn--outline {
            background: transparent;
            color: var(--text-inverse);
            border: 1px solid rgba(245, 240, 232, 0.5);
        }
        .btn--outline:hover {
            border-color: var(--accent-light);
            color: var(--accent-light);
            background: rgba(196, 154, 108, 0.1);
        }
        .btn--primary {
            background: var(--primary);
            color: #fff;
        }
        .btn--primary:hover {
            background: var(--primary-dark);
            color: #fff;
        }
        .btn--safety {
            background: var(--safety);
            color: #fff;
        }
        .btn--safety:hover {
            background: #263D37;
            color: #fff;
        }
        .btn:focus-visible {
            outline: 3px solid rgba(228, 87, 61, 0.5);
            outline-offset: 2px;
        }

        /* ===== Page Hero ===== */
        .page-hero {
            background: var(--bg-warm);
            padding: 48px 0 40px;
            border-bottom: 1px solid var(--border-light);
        }
        .page-hero__breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }
        .page-hero__breadcrumb a {
            color: var(--text-secondary);
            transition: color 0.25s ease;
        }
        .page-hero__breadcrumb a:hover {
            color: var(--cta);
        }
        .page-hero__breadcrumb .sep {
            color: var(--border-warm);
        }
        .page-hero__breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }
        .page-hero__title {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
            color: var(--text-primary);
        }
        .page-hero__subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.85;
            max-width: 760px;
            margin-bottom: 18px;
        }
        .page-hero__notice {
            display: inline-block;
            font-size: 13px;
            color: var(--cta-hover);
            background: rgba(228, 87, 61, 0.08);
            border: 1px solid rgba(228, 87, 61, 0.25);
            border-radius: 8px;
            padding: 8px 16px;
            line-height: 1.6;
        }

        /* ===== Cards ===== */
        .card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            border: 1px solid var(--border-light);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        /* ===== Badge ===== */
        .badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.04em;
            background: var(--safety-light);
            color: var(--safety);
        }
        .badge--accent {
            background: rgba(196, 154, 108, 0.15);
            color: #9A6B3F;
        }
        .badge--warn {
            background: rgba(228, 87, 61, 0.1);
            color: var(--cta-hover);
        }

        /* ===== Material List ===== */
        .material-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .material-card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 28px;
            border: 1px solid var(--border-light);
            transition: all 0.3s ease;
        }
        .material-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
        }
        .material-card__title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .material-card__title::before {
            content: '';
            display: inline-block;
            width: 4px;
            height: 18px;
            background: var(--cta);
            border-radius: 2px;
            flex-shrink: 0;
        }
        .material-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .material-card li {
            padding: 8px 0 8px 20px;
            position: relative;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .material-card li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 15px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
        }

        /* ===== Timeline ===== */
        .timeline {
            position: relative;
            padding-left: 32px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(to bottom, var(--accent), var(--cta));
            border-radius: 2px;
        }
        .timeline__item {
            position: relative;
            margin-bottom: 36px;
            padding-bottom: 0;
        }
        .timeline__item:last-child {
            margin-bottom: 0;
        }
        .timeline__dot {
            position: absolute;
            left: -32px;
            top: 6px;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--bg-white);
            border: 3px solid var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 10px;
            font-weight: 700;
            color: var(--accent);
            font-family: var(--font-num);
        }
        .timeline__item:nth-child(2) .timeline__dot {
            border-color: var(--cta);
            color: var(--cta);
        }
        .timeline__item:nth-child(3) .timeline__dot {
            border-color: var(--safety);
            color: var(--safety);
        }
        .timeline__item:nth-child(4) .timeline__dot {
            border-color: var(--primary);
            color: var(--primary);
        }
        .timeline__content {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 22px 26px;
            border: 1px solid var(--border-light);
            transition: all 0.3s ease;
        }
        .timeline__content:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
        }
        .timeline__step {
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 6px;
        }
        .timeline__title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .timeline__desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 8px;
        }
        .timeline__meta {
            font-size: 13px;
            color: var(--cta-hover);
            font-weight: 600;
            font-family: var(--font-num);
        }

        /* ===== Data Strip ===== */
        .data-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .data-strip__item {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 22px 18px;
            text-align: center;
            border: 1px solid var(--border-light);
            transition: all 0.3s ease;
        }
        .data-strip__item:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
        }
        .data-strip__num {
            font-size: 28px;
            font-weight: 700;
            color: var(--cta);
            font-family: var(--font-num);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .data-strip__label {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* ===== Reject List ===== */
        .reject-list {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(228, 87, 61, 0.25);
            overflow: hidden;
        }
        .reject-list__item {
            padding: 16px 22px;
            border-bottom: 1px solid var(--border-light);
            display: flex;
            align-items: flex-start;
            gap: 12px;
            transition: background 0.25s ease;
        }
        .reject-list__item:last-child {
            border-bottom: none;
        }
        .reject-list__item:hover {
            background: rgba(228, 87, 61, 0.04);
        }
        .reject-list__icon {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: rgba(228, 87, 61, 0.12);
            color: var(--cta);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
            font-family: var(--font-num);
            margin-top: 2px;
        }
        .reject-list__body {
            flex: 1;
        }
        .reject-list__title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 3px;
        }
        .reject-list__desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ===== Mobile Entry ===== */
        .mobile-entry {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .mobile-entry__image {
            border-radius: var(--radius-panel);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
        }
        .mobile-entry__image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
        }
        .mobile-entry__list {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }
        .mobile-entry__list li {
            padding: 10px 0 10px 24px;
            position: relative;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .mobile-entry__list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            top: 10px;
            font-size: 14px;
            font-weight: 700;
            color: var(--safety);
        }

        /* ===== FAQ ===== */
        .faq {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq__item {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: 12px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .faq__item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-card);
        }
        .faq__question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            width: 100%;
            text-align: left;
            transition: all 0.25s ease;
            gap: 12px;
        }
        .faq__question:hover {
            color: var(--cta);
        }
        .faq__icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(196, 154, 108, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            color: var(--accent);
            transition: all 0.3s ease;
            font-family: var(--font-num);
        }
        .faq__item.open .faq__icon {
            background: var(--cta);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
        }
        .faq__item.open .faq__answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }
        .faq__answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0;
        }

        /* ===== CTA Banner ===== */
        .cta-banner {
            background: var(--primary);
            border-radius: var(--radius-panel);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(196, 154, 108, 0.12);
            pointer-events: none;
        }
        .cta-banner__title {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-inverse);
            margin-bottom: 6px;
            position: relative;
            z-index: 1;
        }
        .cta-banner__desc {
            font-size: 14px;
            color: rgba(245, 240, 232, 0.7);
            position: relative;
            z-index: 1;
            max-width: 420px;
        }
        .cta-banner__actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--primary-dark);
            color: var(--text-inverse);
            padding: 56px 0 28px;
            border-top: 1px solid rgba(196, 154, 108, 0.25);
        }
        .footer__grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer__logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-inverse);
            margin-bottom: 14px;
        }
        .footer__logo .logo__mark {
            width: 30px;
            height: 30px;
            font-size: 15px;
            border-radius: 7px;
        }
        .footer__logo span {
            color: var(--accent-light);
        }
        .footer__desc {
            font-size: 13px;
            color: rgba(245, 240, 232, 0.65);
            line-height: 1.75;
            max-width: 320px;
        }
        .footer__col-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--accent-light);
            margin-bottom: 14px;
        }
        .footer__links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer__links li {
            margin-bottom: 8px;
        }
        .footer__links a {
            font-size: 13px;
            color: rgba(245, 240, 232, 0.72);
            transition: all 0.25s ease;
        }
        .footer__links a:hover {
            color: var(--accent-light);
            padding-left: 4px;
        }
        .footer__risk {
            font-size: 13px;
            color: rgba(245, 240, 232, 0.6);
            line-height: 1.75;
            background: rgba(228, 87, 61, 0.06);
            border: 1px solid rgba(228, 87, 61, 0.2);
            border-radius: 10px;
            padding: 14px 16px;
        }
        .footer__bottom {
            border-top: 1px solid rgba(196, 154, 108, 0.2);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 12px;
            color: rgba(245, 240, 232, 0.45);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .nav {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-drawer {
                display: block;
            }
            .page-hero__title {
                font-size: 30px;
            }
            .section__title {
                font-size: 26px;
            }
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .mobile-entry {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .material-grid {
                grid-template-columns: 1fr;
            }
            .footer__grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .cta-banner {
                flex-direction: column;
                align-items: flex-start;
                padding: 36px 28px;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: var(--section-pad-mobile) 0;
            }
            .page-hero {
                padding: 32px 0 28px;
            }
            .page-hero__title {
                font-size: 26px;
            }
            .section__title {
                font-size: 22px;
            }
            .container {
                padding: 0 18px;
            }
            .data-strip {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .data-strip__num {
                font-size: 22px;
            }
            .footer__grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer__bottom {
                flex-direction: column;
                text-align: center;
            }
            .timeline {
                padding-left: 24px;
            }
            .timeline::before {
                left: 6px;
            }
            .timeline__dot {
                left: -24px;
                width: 18px;
                height: 18px;
                font-size: 9px;
            }
            .cta-banner__title {
                font-size: 22px;
            }
        }
        @media (max-width: 480px) {
            .page-hero__title {
                font-size: 22px;
            }
            .section__title {
                font-size: 19px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 14px;
                width: 100%;
            }
            .data-strip {
                grid-template-columns: 1fr;
            }
            .cta-banner {
                padding: 28px 20px;
            }
            .cta-banner__actions {
                flex-direction: column;
                width: 100%;
            }
            .mobile-entry__image img {
                aspect-ratio: 16/10;
            }
            .reject-list__item {
                flex-direction: column;
                gap: 6px;
                padding: 14px 16px;
            }
        }

/* roulang page: article */
:root {
            --primary: #1E2A2B;
            --primary-dark: #141C1D;
            --accent: #C49A6C;
            --accent-light: #D6B896;
            --cta: #E4573D;
            --cta-hover: #C9432E;
            --safety: #2F4A43;
            --safety-light: #E8F0ED;
            --bg-warm: #F7F4EE;
            --bg-white: #FFFFFF;
            --bg-dark: #1A1F22;
            --text-primary: #1A1E22;
            --text-secondary: #5D6467;
            --text-inverse: #F5F0E8;
            --border-light: #E5E0D8;
            --border-warm: #D9D2C5;
            --radius-card: 14px;
            --radius-btn: 8px;
            --radius-input: 10px;
            --radius-panel: 20px;
            --shadow-card: 0 8px 24px rgba(26, 30, 34, 0.06);
            --shadow-hover: 0 14px 34px rgba(26, 30, 34, 0.12);
            --font-sans: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', sans-serif;
            --font-num: 'Roboto', 'DIN Alternate', 'Helvetica Neue', sans-serif;
            --section-pad-desktop: 72px;
            --section-pad-mobile: 44px;
            --nav-height: 68px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }
        a:hover {
            color: var(--cta);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
        }
        button {
            cursor: pointer;
            background: none;
        }
        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .container {
            width: 100%;
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 28px;
        }
        .section {
            padding: var(--section-pad-desktop) 0;
        }
        .section--warm {
            background: var(--bg-warm);
        }
        .section--white {
            background: var(--bg-white);
        }
        .section--dark {
            background: var(--bg-dark);
            color: var(--text-inverse);
        }
        .section--primary {
            background: var(--primary);
            color: var(--text-inverse);
        }
        .section__label {
            display: inline-block;
            font-size: 13px;
            letter-spacing: 0.12em;
            color: var(--accent);
            font-weight: 600;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section--dark .section__label,
        .section--primary .section__label {
            color: var(--accent-light);
        }
        .section__title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }
        .section__title em {
            font-style: normal;
            color: var(--cta);
        }
        .section__desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: 32px;
        }
        .section--dark .section__desc,
        .section--primary .section__desc {
            color: rgba(245, 240, 232, 0.72);
        }

        /* ===== Header ===== */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--primary);
            height: var(--nav-height);
            border-bottom: 1px solid rgba(196, 154, 108, 0.25);
        }
        .header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-inverse);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .logo__mark {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent) 0%, var(--cta) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            flex-shrink: 0;
        }
        .logo span {
            color: var(--accent-light);
        }
        .logo:hover {
            color: var(--text-inverse);
        }
        .nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav__link {
            display: block;
            padding: 8px 14px;
            font-size: 14px;
            color: rgba(245, 240, 232, 0.82);
            border-radius: 6px;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .nav__link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .nav__link.active {
            color: #fff;
            background: rgba(196, 154, 108, 0.2);
            font-weight: 600;
        }
        .nav__cta {
            display: inline-block;
            margin-left: 10px;
            padding: 9px 20px;
            background: var(--cta);
            color: #fff;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: all 0.3s ease;
        }
        .nav__cta:hover {
            background: var(--cta-hover);
            color: #fff;
            transform: translateY(-1px);
        }
        .nav__cta:active {
            transform: translateY(1px);
        }
        .nav__toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 6px;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(196, 154, 108, 0.3);
        }
        .nav__toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-inverse);
            border-radius: 1px;
            transition: all 0.3s ease;
        }
        .nav__toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav__toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav__toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: var(--primary-dark);
            border-bottom: 1px solid rgba(196, 154, 108, 0.25);
            padding: 20px 28px 28px;
            z-index: 999;
            flex-direction: column;
            gap: 8px;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu .nav__link {
            padding: 12px 14px;
            font-size: 15px;
            border-radius: 8px;
        }
        .mobile-menu .nav__cta {
            margin-left: 0;
            text-align: center;
            margin-top: 8px;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-section {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            padding: 18px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 13px;
            color: var(--text-secondary);
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color 0.25s ease;
        }
        .breadcrumb a:hover {
            color: var(--cta);
        }
        .breadcrumb__sep {
            color: var(--border-warm);
            font-size: 14px;
            user-select: none;
        }
        .breadcrumb__current {
            color: var(--text-primary);
            font-weight: 500;
            max-width: 420px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* ===== Article Head ===== */
        .article-head {
            background: var(--bg-white);
            padding: 40px 0 28px;
        }
        .article-head__category {
            display: inline-block;
            background: var(--safety-light);
            color: var(--safety);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 50px;
            margin-bottom: 16px;
        }
        .article-head h1 {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 14px;
            color: var(--text-primary);
            letter-spacing: -0.01em;
        }
        .article-head__meta {
            display: flex;
            align-items: center;
            gap: 18px;
            font-size: 13px;
            color: var(--text-secondary);
            flex-wrap: wrap;
        }
        .article-head__meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-head__meta .dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--border-warm);
        }

        /* ===== Article Hero Image ===== */
        .article-hero-img-wrap {
            background: var(--bg-white);
            padding-bottom: 28px;
        }
        .article-hero-img {
            width: 100%;
            max-height: 460px;
            object-fit: cover;
            border-radius: var(--radius-panel);
            box-shadow: var(--shadow-card);
        }

        /* ===== Article Content ===== */
        .article-content-section {
            background: var(--bg-white);
            padding: 20px 0 56px;
        }
        .article-content-wrapper {
            max-width: 780px;
            margin: 0 auto;
        }
        .article-content {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-primary);
        }
        .article-content h2 {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.5;
            margin: 36px 0 16px;
            color: var(--text-primary);
            padding-left: 14px;
            border-left: 4px solid var(--accent);
        }
        .article-content h3 {
            font-size: 19px;
            font-weight: 600;
            line-height: 1.5;
            margin: 28px 0 12px;
            color: var(--text-primary);
        }
        .article-content p {
            margin-bottom: 18px;
            color: #3A4045;
        }
        .article-content a {
            color: var(--cta);
            border-bottom: 1px solid rgba(228, 87, 61, 0.35);
            transition: all 0.25s ease;
        }
        .article-content a:hover {
            color: var(--cta-hover);
            border-bottom-color: var(--cta-hover);
        }
        .article-content img {
            border-radius: var(--radius-card);
            margin: 20px 0;
            box-shadow: var(--shadow-card);
        }
        .article-content blockquote {
            margin: 24px 0;
            padding: 18px 22px;
            background: var(--bg-warm);
            border-left: 4px solid var(--accent);
            border-radius: 0 8px 8px 0;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
        }
        .article-content ul,
        .article-content ol {
            margin: 16px 0 20px;
            padding-left: 24px;
        }
        .article-content ul {
            list-style: disc;
        }
        .article-content ol {
            list-style: decimal;
        }
        .article-content li {
            margin-bottom: 8px;
            color: #3A4045;
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 14px;
            border-radius: 8px;
            overflow: hidden;
        }
        .article-content table th {
            background: var(--primary);
            color: var(--text-inverse);
            padding: 12px 14px;
            text-align: left;
            font-weight: 600;
        }
        .article-content table td {
            padding: 12px 14px;
            border-bottom: 1px solid var(--border-light);
            color: #3A4045;
        }
        .article-content table tr:nth-child(even) td {
            background: var(--bg-warm);
        }
        .article-content strong {
            font-weight: 600;
            color: var(--text-primary);
        }

        /* ===== Article Not Found ===== */
        .article-not-found {
            text-align: center;
            padding: 80px 20px;
            background: var(--bg-white);
            border-radius: var(--radius-panel);
            box-shadow: var(--shadow-card);
        }
        .article-not-found h2 {
            font-size: 24px;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .article-not-found p {
            color: var(--text-secondary);
            margin-bottom: 24px;
        }
        .article-not-found .btn {
            display: inline-block;
            padding: 10px 24px;
            background: var(--cta);
            color: #fff;
            border-radius: var(--radius-btn);
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .article-not-found .btn:hover {
            background: var(--cta-hover);
            color: #fff;
            transform: translateY(-1px);
        }

        /* ===== Risk Warning ===== */
        .risk-warning-section {
            background: var(--bg-warm);
            padding: 36px 0;
        }
        .risk-warning {
            max-width: 780px;
            margin: 0 auto;
            background: #FFF8F5;
            border: 1px solid rgba(228, 87, 61, 0.28);
            border-radius: var(--radius-card);
            padding: 22px 26px;
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }
        .risk-warning__icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(228, 87, 61, 0.12);
            color: var(--cta);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .risk-warning__text {
            font-size: 13px;
            line-height: 1.8;
            color: #6B4A3A;
        }
        .risk-warning__text strong {
            color: var(--cta);
            font-weight: 600;
        }

        /* ===== Related Articles ===== */
        .related-section {
            background: var(--bg-white);
            padding: var(--section-pad-desktop) 0;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 32px;
        }
        .related-card {
            background: var(--bg-warm);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all 0.35s ease;
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .related-card__img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .related-card__body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .related-card__title {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 8px;
            color: var(--text-primary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color 0.25s ease;
        }
        .related-card__title a {
            color: inherit;
        }
        .related-card__title a:hover {
            color: var(--cta);
        }
        .related-card__desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
        }
        .related-card__meta {
            margin-top: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-secondary);
        }
        .related-card__time {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ===== Back Entry ===== */
        .back-section {
            background: var(--bg-white);
            padding: 24px 0 48px;
        }
        .back-entry {
            max-width: 780px;
            margin: 0 auto;
            text-align: center;
        }
        .back-entry .btn-outline {
            display: inline-block;
            padding: 11px 32px;
            border: 1px solid var(--border-warm);
            border-radius: var(--radius-btn);
            color: var(--text-primary);
            font-weight: 600;
            font-size: 14px;
            transition: all 0.3s ease;
            background: transparent;
        }
        .back-entry .btn-outline:hover {
            border-color: var(--cta);
            color: var(--cta);
            background: rgba(228, 87, 61, 0.04);
        }

        /* ===== Convert CTA Strip ===== */
        .convert-strip {
            background: var(--primary);
            padding: 44px 0;
            color: var(--text-inverse);
        }
        .convert-strip__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 18px;
        }
        .convert-strip__left h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-inverse);
        }
        .convert-strip__left p {
            font-size: 13px;
            color: rgba(245, 240, 232, 0.68);
            margin: 0;
        }
        .convert-strip__right .btn-cta {
            display: inline-block;
            padding: 12px 32px;
            background: var(--cta);
            color: #fff;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            transition: all 0.3s ease;
            white-space: nowrap;
        }
        .convert-strip__right .btn-cta:hover {
            background: var(--cta-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(228, 87, 61, 0.35);
        }
        .convert-strip__right .btn-cta:active {
            transform: translateY(1px);
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--primary-dark);
            padding: 56px 0 28px;
            color: rgba(245, 240, 232, 0.72);
            font-size: 14px;
        }
        .footer__grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer__logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-inverse);
            margin-bottom: 14px;
        }
        .footer__logo .logo__mark {
            width: 32px;
            height: 32px;
            border-radius: 7px;
            background: linear-gradient(135deg, var(--accent) 0%, var(--cta) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 800;
            color: #fff;
        }
        .footer__logo span {
            color: var(--accent-light);
        }
        .footer__desc {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(245, 240, 232, 0.55);
            max-width: 320px;
        }
        .footer__col-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--accent-light);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .footer__links li {
            margin-bottom: 10px;
        }
        .footer__links a {
            font-size: 13px;
            color: rgba(245, 240, 232, 0.65);
            transition: color 0.25s ease;
        }
        .footer__links a:hover {
            color: var(--accent-light);
        }
        .footer__risk {
            font-size: 12px;
            line-height: 1.8;
            color: rgba(245, 240, 232, 0.5);
            background: rgba(228, 87, 61, 0.08);
            border: 1px solid rgba(228, 87, 61, 0.2);
            border-radius: 8px;
            padding: 14px 16px;
        }
        .footer__bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            border-top: 1px solid rgba(196, 154, 108, 0.2);
            padding-top: 22px;
            font-size: 12px;
            color: rgba(245, 240, 232, 0.45);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .nav__link {
                padding: 8px 10px;
                font-size: 13px;
            }
            .nav__cta {
                padding: 8px 16px;
                font-size: 13px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .footer__grid {
                grid-template-columns: 1.2fr 0.8fr 0.8fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            .nav {
                display: none;
            }
            .nav__toggle {
                display: flex;
            }
            .mobile-menu {
                display: none;
            }
            .mobile-menu.open {
                display: flex;
            }
            .section {
                padding: var(--section-pad-mobile) 0;
            }
            .article-head h1 {
                font-size: 26px;
            }
            .article-content {
                font-size: 15px;
                line-height: 1.85;
            }
            .article-content h2 {
                font-size: 20px;
            }
            .article-content h3 {
                font-size: 17px;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .related-card__img {
                height: 200px;
            }
            .convert-strip__inner {
                flex-direction: column;
                text-align: center;
            }
            .convert-strip__left h3 {
                font-size: 20px;
            }
            .footer__grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .breadcrumb__current {
                max-width: 200px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }
            .article-head h1 {
                font-size: 22px;
                line-height: 1.5;
            }
            .article-head {
                padding: 28px 0 20px;
            }
            .article-head__meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .article-head__meta .dot {
                display: none;
            }
            .article-hero-img-wrap {
                padding-bottom: 18px;
            }
            .article-content-section {
                padding: 12px 0 36px;
            }
            .related-section {
                padding: 40px 0;
            }
            .risk-warning {
                flex-direction: column;
                padding: 18px 18px;
            }
            .footer__grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer__bottom {
                flex-direction: column;
                text-align: center;
            }
            .log__text {
                font-size: 16px;
            }
            .logo {
                font-size: 17px;
            }
            .logo__mark {
                width: 28px;
                height: 28px;
                font-size: 14px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1E2A2B;
            --primary-dark: #141C1D;
            --accent: #C49A6C;
            --accent-light: #D6B896;
            --cta: #E4573D;
            --cta-hover: #C9432E;
            --safety: #2F4A43;
            --safety-light: #E8F0ED;
            --bg-warm: #F7F4EE;
            --bg-white: #FFFFFF;
            --bg-dark: #1A1F22;
            --text-primary: #1A1E22;
            --text-secondary: #5D6467;
            --text-inverse: #F5F0E8;
            --border-light: #E5E0D8;
            --border-warm: #D9D2C5;
            --radius-card: 14px;
            --radius-btn: 8px;
            --radius-input: 10px;
            --radius-panel: 20px;
            --shadow-card: 0 8px 24px rgba(26, 30, 34, 0.06);
            --shadow-hover: 0 14px 34px rgba(26, 30, 34, 0.12);
            --font-sans: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', sans-serif;
            --font-num: 'Roboto', 'DIN Alternate', 'Helvetica Neue', sans-serif;
            --section-pad-desktop: 72px;
            --section-pad-mobile: 44px;
            --nav-height: 68px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }
        a:hover {
            color: var(--cta);
        }
        button,
        input,
        select {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
        }
        button {
            cursor: pointer;
        }
        .container {
            width: 100%;
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 28px;
        }
        .section {
            padding: var(--section-pad-desktop) 0;
        }
        .section--warm {
            background: var(--bg-warm);
        }
        .section--white {
            background: var(--bg-white);
        }
        .section--dark {
            background: var(--bg-dark);
            color: var(--text-inverse);
        }
        .section--primary {
            background: var(--primary);
            color: var(--text-inverse);
        }
        .section__label {
            display: inline-block;
            font-size: 13px;
            letter-spacing: 0.12em;
            color: var(--accent);
            font-weight: 600;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section--dark .section__label,
        .section--primary .section__label {
            color: var(--accent-light);
        }
        .section__title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }
        .section__title em {
            font-style: normal;
            color: var(--cta);
        }
        .section__desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: 32px;
        }
        .section--dark .section__desc,
        .section--primary .section__desc {
            color: rgba(245, 240, 232, 0.72);
        }

        /* ===== Header ===== */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--primary);
            height: var(--nav-height);
            border-bottom: 1px solid rgba(196, 154, 108, 0.25);
        }
        .header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-inverse);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .logo__mark {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent) 0%, var(--cta) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            flex-shrink: 0;
        }
        .logo span {
            color: var(--accent-light);
        }
        .logo:hover {
            color: var(--text-inverse);
        }
        .nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav__link {
            display: block;
            padding: 8px 14px;
            font-size: 14px;
            color: rgba(245, 240, 232, 0.82);
            border-radius: 6px;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .nav__link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .nav__link.active {
            color: #fff;
            background: rgba(196, 154, 108, 0.2);
            font-weight: 600;
        }
        .nav__cta {
            display: inline-block;
            margin-left: 10px;
            padding: 9px 20px;
            background: var(--cta);
            color: #fff;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: all 0.3s ease;
        }
        .nav__cta:hover {
            background: var(--cta-hover);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            padding: 6px;
            margin-left: auto;
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-inverse);
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== Page Header ===== */
        .page-header {
            background: linear-gradient(135deg, #F7F4EE 0%, #EDE6DA 55%, #E8DFD0 100%);
            padding: 48px 0 40px;
            border-bottom: 1px solid var(--border-warm);
        }
        .page-header__label {
            display: inline-block;
            font-size: 13px;
            letter-spacing: 0.1em;
            color: var(--cta);
            font-weight: 600;
            margin-bottom: 10px;
        }
        .page-header h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 12px;
            color: var(--primary);
            letter-spacing: -0.01em;
        }
        .page-header__desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
        }

        /* ===== Product Tabs ===== */
        .product-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 36px;
        }
        .product-tab {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 22px;
            background: var(--bg-white);
            border: 1px solid var(--border-warm);
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            transition: all 0.3s ease;
            cursor: pointer;
        }
        .product-tab:hover {
            border-color: var(--accent);
            color: var(--accent);
            box-shadow: 0 4px 14px rgba(196, 154, 108, 0.18);
        }
        .product-tab--active,
        .product-tab:focus {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .product-tab__dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }
        .product-tab--active .product-tab__dot {
            background: var(--cta);
        }

        /* ===== Product Cards ===== */
        .product-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .product-card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 24px 20px;
            transition: all 0.35s ease;
            display: flex;
            flex-direction: column;
            scroll-margin-top: 90px;
        }
        .product-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
            transform: translateY(-3px);
        }
        .product-card__tag {
            display: inline-block;
            align-self: flex-start;
            padding: 4px 10px;
            font-size: 12px;
            font-weight: 600;
            border-radius: 4px;
            background: var(--safety-light);
            color: var(--safety);
            margin-bottom: 14px;
        }
        .product-card__name {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 14px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border-light);
        }
        .product-card__item {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            padding: 8px 0;
            font-size: 13px;
            line-height: 1.6;
            border-bottom: 1px dashed var(--border-light);
        }
        .product-card__item:last-child {
            border-bottom: none;
        }
        .product-card__key {
            color: var(--text-secondary);
            flex-shrink: 0;
            margin-right: 10px;
        }
        .product-card__value {
            font-weight: 600;
            color: var(--text-primary);
            text-align: right;
        }
        .product-card__value--highlight {
            color: var(--cta);
            font-family: var(--font-num);
        }
        .product-card__foot {
            margin-top: auto;
            padding-top: 16px;
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            border-top: 1px solid var(--border-light);
        }

        /* ===== Scene Section ===== */
        .scene-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 44px;
            align-items: center;
        }
        .scene-text__intro {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }
        .scene-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 8px;
        }
        .scene-tag {
            display: inline-block;
            padding: 8px 16px;
            background: var(--safety-light);
            color: var(--safety);
            border-radius: 6px;
            font-size: 13px;
            font-weight: 600;
            transition: all 0.25s ease;
        }
        .scene-tag:hover {
            background: var(--safety);
            color: #fff;
        }
        .scene-media {
            border-radius: var(--radius-panel);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .scene-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4 / 3;
        }

        /* ===== Fee Cards ===== */
        .fee-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .fee-card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 26px 22px;
            transition: all 0.3s ease;
        }
        .fee-card:hover {
            box-shadow: var(--shadow-hover);
        }
        .fee-card__icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--safety-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-num);
            font-size: 20px;
            font-weight: 700;
            color: var(--safety);
            margin-bottom: 16px;
        }
        .fee-card__title {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .fee-card__desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .fee-card__mark {
            display: inline-block;
            margin-top: 14px;
            padding: 4px 10px;
            font-size: 12px;
            font-weight: 600;
            border-radius: 4px;
            background: #FFF3EF;
            color: var(--cta);
        }

        /* ===== Risk Alert ===== */
        .risk-alert {
            background: linear-gradient(135deg, #1A1F22 0%, #2A3236 100%);
            border-radius: var(--radius-panel);
            padding: 36px 32px;
            border-left: 4px solid var(--cta);
            color: var(--text-inverse);
        }
        .risk-alert__title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
            color: #FFD9CF;
        }
        .risk-alert__title::before {
            content: '';
            display: inline-block;
            width: 10px;
            height: 10px;
            background: var(--cta);
            border-radius: 50%;
            flex-shrink: 0;
        }
        .risk-alert__grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
            margin-top: 20px;
        }
        .risk-alert__item {
            background: rgba(255,255,255,0.05);
            border-radius: 10px;
            padding: 18px 16px;
            border: 1px solid rgba(255,255,255,0.08);
        }
        .risk-alert__item-label {
            font-size: 13px;
            color: var(--accent-light);
            font-weight: 600;
            margin-bottom: 8px;
        }
        .risk-alert__item-value {
            font-size: 14px;
            color: rgba(245,240,232,0.88);
            line-height: 1.6;
        }

        /* ===== CTA Banner ===== */
        .cta-banner {
            background: linear-gradient(135deg, var(--cta) 0%, #C9432E 100%);
            border-radius: var(--radius-panel);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .cta-banner__title {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .cta-banner__desc {
            font-size: 14px;
            color: rgba(255,255,255,0.85);
            line-height: 1.6;
            max-width: 520px;
        }
        .cta-banner__btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: #fff;
            color: var(--cta);
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 700;
            transition: all 0.3s ease;
            white-space: nowrap;
        }
        .cta-banner__btn:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.18);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: 10px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .faq-item:hover {
            border-color: var(--accent);
        }
        .faq-item__question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 18px 20px;
            background: transparent;
            border: none;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            cursor: pointer;
            gap: 14px;
        }
        .faq-item__icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            border: 2px solid var(--border-warm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all 0.3s ease;
        }
        .faq-item.open .faq-item__icon {
            background: var(--cta);
            border-color: var(--cta);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-item__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
        }
        .faq-item.open .faq-item__answer {
            max-height: 300px;
            padding: 0 20px 20px;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--primary-dark);
            color: rgba(245, 240, 232, 0.72);
            padding: 56px 0 28px;
            margin-top: 0;
        }
        .footer__grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer__logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer__logo .logo__mark {
            width: 30px;
            height: 30px;
            font-size: 15px;
            border-radius: 6px;
        }
        .footer__desc {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(245, 240, 232, 0.6);
            max-width: 280px;
        }
        .footer__col-title {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .footer__links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer__links li {
            margin-bottom: 10px;
        }
        .footer__links a {
            color: rgba(245, 240, 232, 0.65);
            font-size: 13px;
            transition: color 0.25s ease;
        }
        .footer__links a:hover {
            color: var(--accent-light);
        }
        .footer__risk {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(245, 240, 232, 0.55);
            background: rgba(228, 87, 61, 0.08);
            border-radius: 8px;
            padding: 14px 16px;
            border-left: 3px solid var(--cta);
        }
        .footer__bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 22px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 12px;
            color: rgba(245, 240, 232, 0.45);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .nav {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--primary-dark);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 12px 20px 20px;
                transform: translateY(-120%);
                transition: transform 0.35s ease;
                z-index: 999;
                border-bottom: 1px solid rgba(196,154,108,0.2);
            }
            .nav.open {
                transform: translateY(0);
            }
            .nav__link {
                padding: 14px 12px;
                font-size: 15px;
                text-align: left;
                border-bottom: 1px solid rgba(255,255,255,0.06);
            }
            .nav__cta {
                margin: 14px 0 0;
                text-align: center;
                padding: 13px 20px;
            }
            .nav-toggle {
                display: flex;
            }
            .product-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scene-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .fee-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .risk-alert__grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer__grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-pad-desktop: 44px;
            }
            .section {
                padding: var(--section-pad-mobile) 0;
            }
            .page-header {
                padding: 32px 0 28px;
            }
            .page-header h1 {
                font-size: 26px;
            }
            .section__title {
                font-size: 24px;
            }
            .product-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .fee-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .risk-alert__grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .cta-banner {
                flex-direction: column;
                text-align: center;
                padding: 36px 24px;
            }
            .cta-banner__btn {
                width: 100%;
                justify-content: center;
            }
            .product-tabs {
                gap: 8px;
            }
            .product-tab {
                padding: 10px 16px;
                font-size: 13px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }
            .page-header h1 {
                font-size: 22px;
            }
            .section__title {
                font-size: 21px;
            }
            .footer__grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer__bottom {
                flex-direction: column;
                text-align: center;
            }
            .risk-alert {
                padding: 24px 18px;
            }
            .cta-banner__title {
                font-size: 21px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1E2A2B;
            --primary-dark: #141C1D;
            --accent: #C49A6C;
            --accent-light: #D6B896;
            --cta: #E4573D;
            --cta-hover: #C9432E;
            --safety: #2F4A43;
            --safety-light: #E8F0ED;
            --bg-warm: #F7F4EE;
            --bg-white: #FFFFFF;
            --bg-dark: #1A1F22;
            --text-primary: #1A1E22;
            --text-secondary: #5D6467;
            --text-inverse: #F5F0E8;
            --border-light: #E5E0D8;
            --border-warm: #D9D2C5;
            --radius-card: 14px;
            --radius-btn: 8px;
            --radius-input: 10px;
            --radius-panel: 20px;
            --shadow-card: 0 8px 24px rgba(26, 30, 34, 0.06);
            --shadow-hover: 0 14px 34px rgba(26, 30, 34, 0.12);
            --font-sans: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', sans-serif;
            --font-num: 'Roboto', 'DIN Alternate', 'Helvetica Neue', sans-serif;
            --section-pad-desktop: 72px;
            --section-pad-mobile: 44px;
            --nav-height: 68px;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }
        a:hover {
            color: var(--cta);
        }
        button,
        input,
        select {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .container {
            width: 100%;
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 28px;
        }
        .section {
            padding: var(--section-pad-desktop) 0;
        }
        .section--warm {
            background: var(--bg-warm);
        }
        .section--white {
            background: var(--bg-white);
        }
        .section--dark {
            background: var(--bg-dark);
            color: var(--text-inverse);
        }
        .section--primary {
            background: var(--primary);
            color: var(--text-inverse);
        }
        .section--safety {
            background: var(--safety-light);
        }
        .section__label {
            display: inline-block;
            font-size: 13px;
            letter-spacing: 0.12em;
            color: var(--accent);
            font-weight: 600;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section--dark .section__label,
        .section--primary .section__label {
            color: var(--accent-light);
        }
        .section__title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }
        .section__title em {
            font-style: normal;
            color: var(--cta);
        }
        .section__desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: 32px;
        }
        .section--dark .section__desc {
            color: rgba(245, 240, 232, 0.72);
        }
        .section--primary .section__desc {
            color: rgba(245, 240, 232, 0.72);
        }

        /* Header */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--primary);
            height: var(--nav-height);
            border-bottom: 1px solid rgba(196, 154, 108, 0.25);
        }
        .header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-inverse);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .logo__mark {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent) 0%, var(--cta) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            flex-shrink: 0;
        }
        .logo span {
            color: var(--accent-light);
        }
        .logo:hover {
            color: var(--text-inverse);
        }
        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            color: var(--text-inverse);
            font-size: 22px;
            line-height: 1;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(196, 154, 108, 0.25);
            transition: background 0.25s ease;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
        }
        .nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav__link {
            display: block;
            padding: 8px 14px;
            font-size: 14px;
            color: rgba(245, 240, 232, 0.82);
            border-radius: 6px;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .nav__link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .nav__link.active {
            color: #fff;
            background: rgba(196, 154, 108, 0.2);
            font-weight: 600;
        }
        .nav__cta {
            display: inline-block;
            margin-left: 10px;
            padding: 9px 20px;
            background: var(--cta);
            color: #fff;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: all 0.3s ease;
        }
        .nav__cta:hover {
            background: var(--cta-hover);
            color: #fff;
        }

        /* Footer */
        .footer {
            background: var(--primary-dark);
            color: rgba(245, 240, 232, 0.72);
            padding: 52px 0 28px;
        }
        .footer__grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer__logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-inverse);
            margin-bottom: 14px;
        }
        .footer__logo .logo__mark {
            background: linear-gradient(135deg, var(--accent) 0%, var(--cta) 100%);
            width: 30px;
            height: 30px;
            font-size: 16px;
        }
        .footer__desc {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(245, 240, 232, 0.6);
            margin-bottom: 0;
        }
        .footer__col-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-inverse);
            margin-bottom: 14px;
        }
        .footer__links li {
            margin-bottom: 8px;
        }
        .footer__links a {
            font-size: 13px;
            color: rgba(245, 240, 232, 0.72);
            transition: color 0.25s ease;
        }
        .footer__links a:hover {
            color: var(--accent-light);
        }
        .footer__risk {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(245, 240, 232, 0.6);
            background: rgba(228, 87, 61, 0.08);
            border-left: 3px solid var(--cta);
            padding: 12px 14px;
            border-radius: 0 8px 8px 0;
        }
        .footer__bottom {
            border-top: 1px solid rgba(196, 154, 108, 0.2);
            padding-top: 22px;
            display: flex;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 12px;
            color: rgba(245, 240, 232, 0.55);
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.2;
            transition: all 0.3s ease;
            border: 1px solid transparent;
            text-align: center;
        }
        .btn:active {
            transform: translateY(1px);
        }
        .btn--primary {
            background: var(--cta);
            color: #fff;
            border-color: var(--cta);
        }
        .btn--primary:hover {
            background: var(--cta-hover);
            border-color: var(--cta-hover);
            color: #fff;
        }
        .btn--outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn--outline:hover {
            background: var(--primary);
            color: #fff;
        }
        .btn--light {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.3);
        }
        .btn--light:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
        }

        /* Category Hero */
        .category-hero {
            background: var(--safety-light);
            border-bottom: 1px solid var(--border-light);
            padding: 52px 0 44px;
        }
        .category-hero__title {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }
        .category-hero__desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
        }

        /* Mode Grid */
        .mode-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
            align-items: center;
        }
        .mode-list {
            display: grid;
            gap: 14px;
            margin-top: 20px;
        }
        .mode-list__item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 14px 16px;
            background: var(--bg-warm);
            border-left: 3px solid var(--safety);
            border-radius: 0 12px 12px 0;
            font-size: 14px;
            line-height: 1.7;
        }
        .mode-list__item strong {
            color: var(--primary);
            font-weight: 700;
        }
        .mode-image {
            border-radius: var(--radius-panel);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        /* Safety Cards */
        .safety-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            margin-top: 32px;
        }
        .safety-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 22px 20px;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-card);
        }
        .safety-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
        }
        .safety-card__num {
            font-family: var(--font-num);
            font-size: 14px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.08em;
            margin-bottom: 10px;
        }
        .safety-card__title {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--primary);
        }
        .safety-card__desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Risk Steps */
        .risk-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 32px;
        }
        .risk-step {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-panel);
            padding: 26px 22px;
            position: relative;
            box-shadow: var(--shadow-card);
        }
        .risk-step::before {
            content: attr(data-step);
            position: absolute;
            top: -14px;
            left: 22px;
            background: var(--cta);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 20px;
            letter-spacing: 0.05em;
        }
        .risk-step__title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--primary);
        }
        .risk-step__desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* Compliance */
        .compliance-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
            margin-top: 24px;
        }
        .compliance-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 18px;
            background: var(--bg-warm);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
        }
        .compliance-item__icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--safety);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }
        .compliance-item strong {
            display: block;
            margin-bottom: 6px;
            color: var(--primary);
            font-size: 15px;
        }
        .compliance-item p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* Risk Alert */
        .risk-alert {
            background: var(--bg-dark);
            color: var(--text-inverse);
            border-left: 5px solid var(--cta);
            border-radius: var(--radius-panel);
            padding: 30px 32px;
            max-width: 820px;
            margin: 0 auto;
        }
        .risk-alert__title {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .risk-alert__title::before {
            content: "!";
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            background: var(--cta);
            color: #fff;
            border-radius: 50%;
            font-weight: 800;
            font-size: 18px;
        }
        .risk-alert__text {
            font-size: 14px;
            line-height: 1.9;
            color: rgba(245, 240, 232, 0.78);
        }

        /* CTA Band */
        .cta-band {
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }
        .cta-band__title {
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .cta-band__desc {
            font-size: 15px;
            color: rgba(245, 240, 232, 0.72);
            margin-bottom: 28px;
            line-height: 1.8;
        }
        .cta-band__risk {
            font-size: 12px;
            color: rgba(245, 240, 232, 0.55);
            margin-top: 16px;
        }

        /* FAQ */
        .faq-list {
            max-width: 760px;
            margin: 32px auto 0;
        }
        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: 12px;
            margin-bottom: 12px;
            background: var(--bg-white);
            overflow: hidden;
            transition: border-color 0.3s ease;
        }
        .faq-item[open] {
            border-color: var(--accent);
        }
        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-primary);
            list-style: none;
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: "+";
            font-size: 22px;
            font-weight: 400;
            color: var(--text-secondary);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            content: "−";
            transform: rotate(180deg);
            color: var(--cta);
        }
        .faq-item__body {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            border-top: 1px dashed var(--border-warm);
            margin-top: 4px;
            padding-top: 14px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav {
                position: fixed;
                top: var(--nav-height);
                right: 0;
                width: min(320px, 88vw);
                height: calc(100vh - var(--nav-height));
                background: var(--primary-dark);
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                padding: 24px 20px;
                transform: translateX(100%);
                transition: transform 0.3s ease;
                box-shadow: -10px 0 30px rgba(0,0,0,0.2);
                overflow-y: auto;
            }
            .nav.open {
                transform: translateX(0);
            }
            .nav__link,
            .nav__cta {
                width: 100%;
                text-align: center;
                margin: 4px 0;
            }
            .nav__cta {
                margin-left: 0;
                margin-top: 10px;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .mode-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .safety-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer__grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }
            .section {
                padding: var(--section-pad-mobile) 0;
            }
            .section__title {
                font-size: 24px;
            }
            .category-hero__title {
                font-size: 28px;
            }
            .safety-grid {
                grid-template-columns: 1fr;
            }
            .risk-steps {
                grid-template-columns: 1fr;
            }
            .compliance-list {
                grid-template-columns: 1fr;
            }
            .footer__grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer__bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .risk-alert {
                padding: 22px 20px;
            }
        }

        @media (max-width: 520px) {
            .logo {
                font-size: 17px;
                letter-spacing: 0;
            }
            .logo__mark {
                width: 30px;
                height: 30px;
                font-size: 16px;
            }
            .section__title {
                font-size: 22px;
            }
            .category-hero__title {
                font-size: 24px;
            }
            .btn {
                width: 100%;
                padding: 12px 18px;
                font-size: 14px;
            }
        }