/* roulang page: index */
:root {
            --brand-primary: #1a3c2e;
            --brand-primary-dark: #0f2a1f;
            --brand-primary-light: #2d5a44;
            --brand-accent: #c19a6b;
            --brand-accent-light: #d4b591;
            --brand-accent-dark: #a87f4f;
            --brand-bg: #f8f5f0;
            --brand-surface: #ffffff;
            --brand-surface-warm: #fdfaf5;
            --brand-text: #1e2a24;
            --brand-text-muted: #5f6f66;
            --brand-text-light: #8a9890;
            --brand-border: #e5ded4;
            --brand-border-strong: #d5ccbf;
            --brand-radius-sm: 8px;
            --brand-radius-md: 14px;
            --brand-radius-lg: 22px;
            --brand-radius-xl: 32px;
            --brand-shadow-sm: 0 2px 8px rgba(26, 60, 46, 0.06);
            --brand-shadow-md: 0 8px 28px rgba(26, 60, 46, 0.10);
            --brand-shadow-lg: 0 18px 48px rgba(26, 60, 46, 0.14);
            --brand-shadow-accent: 0 8px 28px rgba(193, 154, 107, 0.28);
            --brand-transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --brand-font: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, 'Segoe UI', sans-serif;
            --brand-container-max: 1200px;
            --brand-sidebar-width: 340px;
            --brand-header-height: 72px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--brand-font);
            font-size: 16px;
            line-height: 1.75;
            color: var(--brand-text);
            background-color: var(--brand-bg);
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--brand-accent-dark);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(193, 154, 107, 0.55);
            outline-offset: 2px;
            border-radius: var(--brand-radius-sm);
        }

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

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

        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.35;
            color: var(--brand-text);
            margin-bottom: 0.6em;
        }

        h1 {
            font-size: clamp(2.1rem, 4.5vw, 3.2rem);
            letter-spacing: -0.02em;
        }

        h2 {
            font-size: clamp(1.6rem, 2.8vw, 2.3rem);
            letter-spacing: -0.01em;
        }

        h3 {
            font-size: clamp(1.15rem, 1.8vw, 1.5rem);
        }

        h4 {
            font-size: 1.1rem;
        }

        h5 {
            font-size: 1rem;
        }

        h6 {
            font-size: 0.9rem;
        }

        p {
            margin-bottom: 1rem;
        }

        .brand-container {
            width: 100%;
            max-width: var(--brand-container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .brand-section {
            padding: 72px 0;
            position: relative;
        }

        .brand-section--warm {
            background-color: var(--brand-surface-warm);
        }

        .brand-section--dark {
            background-color: var(--brand-primary);
            color: rgba(255, 255, 255, 0.92);
        }

        .brand-section--dark h2,
        .brand-section--dark h3,
        .brand-section--dark h4 {
            color: #ffffff;
        }

        .brand-section--dark .brand-section-desc {
            color: rgba(255, 255, 255, 0.75);
        }

        .brand-section--dark .brand-section-tag {
            color: var(--brand-accent-light);
            border-color: rgba(193, 154, 107, 0.45);
        }

        .brand-section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--brand-accent-dark);
            background-color: rgba(193, 154, 107, 0.12);
            border: 1px solid rgba(193, 154, 107, 0.35);
            border-radius: 50px;
            padding: 6px 16px;
            margin-bottom: 18px;
        }

        .brand-section-desc {
            font-size: 1.02rem;
            color: var(--brand-text-muted);
            max-width: 680px;
            line-height: 1.85;
        }

        /* ===== Header / Nav ===== */
        .brand-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--brand-border);
            box-shadow: 0 1px 12px rgba(26, 60, 46, 0.06);
            height: var(--brand-header-height);
            display: flex;
            align-items: center;
        }

        .brand-header .brand-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            width: 100%;
        }

        .brand-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            justify-content: center;
        }

        .brand-nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--brand-text-muted);
            padding: 10px 18px;
            border-radius: 50px;
            white-space: nowrap;
            transition: var(--brand-transition);
            border: 1px solid transparent;
        }

        .brand-nav-link:hover {
            color: var(--brand-primary);
            background-color: rgba(26, 60, 46, 0.06);
        }

        .brand-nav-link.active {
            color: var(--brand-primary);
            background-color: rgba(26, 60, 46, 0.1);
            border-color: rgba(26, 60, 46, 0.18);
            font-weight: 600;
        }

        .brand-header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .brand-status-dot {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 0.78rem;
            font-weight: 500;
            color: var(--brand-text-muted);
            white-space: nowrap;
        }

        .brand-status-dot .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: #34c759;
            animation: brand-pulse 2s ease-in-out infinite;
        }

        @keyframes brand-pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.55; transform: scale(0.88); }
        }

        .brand-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 0.92rem;
            font-weight: 600;
            padding: 11px 26px;
            border-radius: 50px;
            border: none;
            cursor: pointer;
            transition: var(--brand-transition);
            white-space: nowrap;
            text-align: center;
            line-height: 1.4;
        }

        .brand-btn-primary {
            background-color: var(--brand-primary);
            color: #ffffff;
            box-shadow: var(--brand-shadow-sm);
        }

        .brand-btn-primary:hover {
            background-color: var(--brand-primary-dark);
            color: #ffffff;
            box-shadow: var(--brand-shadow-md);
            transform: translateY(-1px);
        }

        .brand-btn-accent {
            background-color: var(--brand-accent);
            color: #ffffff;
            box-shadow: var(--brand-shadow-accent);
        }

        .brand-btn-accent:hover {
            background-color: var(--brand-accent-dark);
            color: #ffffff;
            transform: translateY(-1px);
            box-shadow: 0 12px 32px rgba(193, 154, 107, 0.38);
        }

        .brand-btn-outline {
            background-color: transparent;
            color: var(--brand-primary);
            border: 1.5px solid var(--brand-primary);
        }

        .brand-btn-outline:hover {
            background-color: var(--brand-primary);
            color: #ffffff;
        }

        .brand-btn-white-outline {
            background-color: transparent;
            color: #ffffff;
            border: 1.5px solid rgba(255, 255, 255, 0.55);
        }

        .brand-btn-white-outline:hover {
            background-color: #ffffff;
            color: var(--brand-primary);
        }

        .brand-btn-lg {
            padding: 14px 34px;
            font-size: 1.02rem;
        }

        .brand-btn-sm {
            padding: 8px 18px;
            font-size: 0.82rem;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.12rem;
            font-weight: 700;
            color: var(--brand-primary);
            white-space: nowrap;
            letter-spacing: -0.01em;
        }

        .brand-logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-primary-light) 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #ffffff;
            font-size: 1.05rem;
            flex-shrink: 0;
        }

        .brand-nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--brand-text);
            padding: 8px;
            cursor: pointer;
            border-radius: var(--brand-radius-sm);
            transition: var(--brand-transition);
        }

        .brand-nav-toggle:hover {
            background-color: rgba(26, 60, 46, 0.08);
        }

        @media (max-width: 991px) {
            .brand-nav-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
            .brand-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background-color: #ffffff;
                border-bottom: 1px solid var(--brand-border);
                box-shadow: var(--brand-shadow-md);
                padding: 16px 24px;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
            }
            .brand-nav.open {
                display: flex;
            }
            .brand-nav-link {
                justify-content: flex-start;
                border-radius: var(--brand-radius-sm);
                padding: 12px 16px;
            }
            .brand-header .brand-container {
                flex-wrap: wrap;
            }
            .brand-header-actions {
                margin-left: auto;
            }
            .brand-status-dot span:last-child {
                display: none;
            }
        }

        @media (max-width: 576px) {
            .brand-header {
                height: auto;
                min-height: 64px;
                padding: 10px 0;
            }
            .brand-logo {
                font-size: 0.98rem;
            }
            .brand-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
                border-radius: 8px;
            }
            .brand-btn-sm {
                padding: 6px 12px;
                font-size: 0.75rem;
            }
            .brand-status-dot {
                font-size: 0.7rem;
            }
        }

        /* ===== Hero - 众筹预热 ===== */
        .brand-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            min-height: 720px;
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--brand-border);
            overflow: hidden;
        }

        .brand-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(110deg, rgba(15, 42, 31, 0.93) 0%, rgba(26, 60, 46, 0.82) 40%, rgba(26, 60, 46, 0.55) 100%);
            z-index: 1;
        }

        .brand-hero .brand-container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 420px;
            gap: 48px;
            align-items: center;
            padding-top: 60px;
            padding-bottom: 60px;
        }

        .brand-hero-content {
            color: #ffffff;
        }

        .brand-hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--brand-accent-light);
            background-color: rgba(193, 154, 107, 0.2);
            border: 1px solid rgba(193, 154, 107, 0.45);
            border-radius: 50px;
            padding: 8px 18px;
            margin-bottom: 22px;
            letter-spacing: 0.04em;
        }

        .brand-hero-title {
            color: #ffffff;
            margin-bottom: 22px;
            font-size: clamp(2.2rem, 5.5vw, 3.6rem);
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.22;
        }

        .brand-hero-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.82);
            max-width: 560px;
            line-height: 1.9;
            margin-bottom: 32px;
        }

        .brand-hero-ctas {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 36px;
        }

        .brand-hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
        }

        .brand-hero-stat {
            display: flex;
            flex-direction: column;
        }

        .brand-hero-stat-value {
            font-size: 1.7rem;
            font-weight: 700;
            color: #ffffff;
            line-height: 1.2;
        }

        .brand-hero-stat-label {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 2px;
        }

        .brand-hero-panel {
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.22);
            border-radius: var(--brand-radius-lg);
            padding: 32px 30px;
            box-shadow: 0 24px 64px rgba(0, 0, 0, 0.25);
        }

        .brand-progress-wrap {
            display: flex;
            align-items: center;
            gap: 24px;
            margin-bottom: 24px;
        }

        .brand-progress-ring {
            position: relative;
            width: 120px;
            height: 120px;
            flex-shrink: 0;
        }

        .brand-progress-ring svg {
            transform: rotate(-90deg);
        }

        .brand-progress-ring .ring-bg {
            fill: none;
            stroke: rgba(255, 255, 255, 0.18);
            stroke-width: 10;
        }

        .brand-progress-ring .ring-fill {
            fill: none;
            stroke: var(--brand-accent-light);
            stroke-width: 10;
            stroke-linecap: round;
            stroke-dasharray: 301.59;
            stroke-dashoffset: 96.51;
            transition: stroke-dashoffset 1.2s ease;
        }

        .brand-progress-ring .ring-text {
            position: absolute;
            inset: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: #ffffff;
        }

        .brand-progress-ring .ring-text .percent {
            font-size: 1.6rem;
            font-weight: 700;
            line-height: 1;
        }

        .brand-progress-ring .ring-text .label {
            font-size: 0.72rem;
            color: rgba(255, 255, 255, 0.7);
        }

        .brand-progress-info h4 {
            color: #ffffff;
            font-size: 1.08rem;
            margin-bottom: 6px;
        }

        .brand-progress-info p {
            color: rgba(255, 255, 255, 0.72);
            font-size: 0.88rem;
            margin-bottom: 0;
        }

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

        .brand-tier-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            padding: 14px 16px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: var(--brand-radius-md);
            transition: var(--brand-transition);
        }

        .brand-tier-item:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: rgba(255, 255, 255, 0.3);
        }

        .brand-tier-item-main {
            flex: 1;
        }

        .brand-tier-item-main .tier-name {
            font-weight: 600;
            color: #ffffff;
            font-size: 0.95rem;
            display: block;
        }

        .brand-tier-item-main .tier-desc {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.65);
        }

        .brand-tier-item .tier-badge {
            font-size: 0.72rem;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 50px;
            background-color: var(--brand-accent);
            color: #ffffff;
            white-space: nowrap;
        }

        @media (max-width: 991px) {
            .brand-hero .brand-container {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .brand-hero {
                min-height: auto;
                padding: 60px 0;
            }
            .brand-hero-panel {
                max-width: 480px;
            }
        }

        @media (max-width: 576px) {
            .brand-hero .brand-container {
                padding-top: 32px;
                padding-bottom: 32px;
            }
            .brand-hero-title {
                font-size: clamp(1.7rem, 7vw, 2.2rem);
            }
            .brand-hero-desc {
                font-size: 0.95rem;
            }
            .brand-progress-wrap {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }
            .brand-progress-ring {
                width: 96px;
                height: 96px;
            }
            .brand-hero-stats {
                gap: 18px;
            }
            .brand-hero-stat-value {
                font-size: 1.4rem;
            }
        }

        /* ===== 系列导航 ===== */
        .brand-series-nav {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .brand-series-card {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--brand-surface);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-md);
            padding: 20px 22px;
            transition: var(--brand-transition);
            cursor: pointer;
            text-decoration: none;
            color: var(--brand-text);
        }

        .brand-series-card:hover {
            border-color: var(--brand-accent);
            box-shadow: var(--brand-shadow-md);
            transform: translateY(-3px);
            color: var(--brand-text);
        }

        .brand-series-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #ffffff;
            font-size: 1.3rem;
            flex-shrink: 0;
        }

        .brand-series-icon--accent {
            background: linear-gradient(135deg, var(--brand-accent) 0%, var(--brand-accent-dark) 100%);
        }

        .brand-series-card h3 {
            font-size: 1.02rem;
            margin-bottom: 4px;
        }

        .brand-series-card p {
            font-size: 0.82rem;
            color: var(--brand-text-muted);
            margin-bottom: 0;
        }

        @media (max-width: 991px) {
            .brand-series-nav {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .brand-series-nav {
                grid-template-columns: 1fr;
            }
            .brand-series-card {
                padding: 16px 18px;
            }
        }

        /* ===== 爆款陈列 ===== */
        .brand-showcase-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px;
        }

        .brand-showcase-card {
            background: var(--brand-surface);
            border-radius: var(--brand-radius-lg);
            overflow: hidden;
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow-sm);
            transition: var(--brand-transition);
            display: flex;
            flex-direction: column;
        }

        .brand-showcase-card:hover {
            box-shadow: var(--brand-shadow-lg);
            transform: translateY(-4px);
            border-color: var(--brand-border-strong);
        }

        .brand-showcase-img {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

        .brand-showcase-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .brand-showcase-card:hover .brand-showcase-img img {
            transform: scale(1.06);
        }

        .brand-showcase-img .badge-overlay {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(26, 60, 46, 0.85);
            backdrop-filter: blur(8px);
            color: #ffffff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 50px;
            border: 1px solid rgba(255, 255, 255, 0.25);
        }

        .brand-showcase-body {
            padding: 24px 24px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .brand-showcase-body h3 {
            font-size: 1.15rem;
            margin-bottom: 10px;
            line-height: 1.45;
        }

        .brand-showcase-body p {
            font-size: 0.9rem;
            color: var(--brand-text-muted);
            margin-bottom: 16px;
            flex: 1;
        }

        .brand-showcase-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--brand-text-light);
            border-top: 1px solid var(--brand-border);
            padding-top: 14px;
        }

        .brand-showcase-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        @media (max-width: 991px) {
            .brand-showcase-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .brand-showcase-grid {
                grid-template-columns: 1fr;
            }
            .brand-showcase-body {
                padding: 18px 18px 16px;
            }
        }

        /* ===== 一页摘要 ===== */
        .brand-summary-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .brand-summary-item {
            background: var(--brand-surface);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-md);
            padding: 24px 20px;
            text-align: center;
            transition: var(--brand-transition);
        }

        .brand-summary-item:hover {
            border-color: var(--brand-accent);
            box-shadow: var(--brand-shadow-sm);
        }

        .brand-summary-item .num {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--brand-accent-dark);
            line-height: 1.2;
        }

        .brand-summary-item .label {
            font-size: 0.85rem;
            color: var(--brand-text-muted);
            margin-top: 6px;
        }

        @media (max-width: 991px) {
            .brand-summary-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 576px) {
            .brand-summary-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .brand-summary-item {
                padding: 16px 14px;
            }
            .brand-summary-item .num {
                font-size: 1.4rem;
            }
        }

        /* ===== 时间线 ===== */
        .brand-timeline {
            position: relative;
            padding-left: 32px;
        }

        .brand-timeline::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 6px;
            bottom: 6px;
            width: 2px;
            background: linear-gradient(to bottom, var(--brand-accent), var(--brand-border));
            border-radius: 2px;
        }

        .brand-timeline-item {
            position: relative;
            padding-bottom: 32px;
        }

        .brand-timeline-item:last-child {
            padding-bottom: 0;
        }

        .brand-timeline-item::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--brand-accent);
            border: 3px solid #ffffff;
            box-shadow: 0 0 0 3px rgba(193, 154, 107, 0.35);
            z-index: 1;
        }

        .brand-timeline-item .time {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--brand-accent-dark);
            letter-spacing: 0.03em;
            display: block;
            margin-bottom: 4px;
        }

        .brand-timeline-item h3 {
            font-size: 1.05rem;
            margin-bottom: 8px;
        }

        .brand-timeline-item p {
            font-size: 0.9rem;
            color: var(--brand-text-muted);
            margin-bottom: 0;
        }

        /* ===== 资讯区 ===== */
        .brand-news-layout {
            display: grid;
            grid-template-columns: 1fr var(--brand-sidebar-width);
            gap: 36px;
        }

        .brand-news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .brand-news-item {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 20px 0;
            border-bottom: 1px solid var(--brand-border);
            transition: var(--brand-transition);
        }

        .brand-news-item:first-child {
            padding-top: 0;
        }

        .brand-news-item:last-child {
            border-bottom: none;
        }

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

        .brand-news-item .news-index {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--brand-accent-dark);
            min-width: 48px;
            text-align: center;
            flex-shrink: 0;
            font-feature-settings: "tnum";
        }

        .brand-news-item .news-body {
            flex: 1;
        }

        .brand-news-item .news-body h3 {
            font-size: 0.98rem;
            margin-bottom: 4px;
            font-weight: 600;
            line-height: 1.5;
        }

        .brand-news-item .news-body h3 a {
            color: var(--brand-text);
        }

        .brand-news-item .news-body h3 a:hover {
            color: var(--brand-accent-dark);
        }

        .brand-news-item .news-body .news-meta {
            font-size: 0.78rem;
            color: var(--brand-text-light);
        }

        .brand-sidebar {
            display: flex;
            flex-direction: column;
            gap: 22px;
        }

        .brand-sidebar-card {
            background: var(--brand-surface);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-md);
            padding: 24px;
        }

        .brand-sidebar-card h3 {
            font-size: 1rem;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .brand-sidebar-card ul li {
            padding: 8px 0;
            border-bottom: 1px solid var(--brand-border);
            font-size: 0.88rem;
        }

        .brand-sidebar-card ul li:last-child {
            border-bottom: none;
        }

        .brand-sidebar-card ul li a {
            color: var(--brand-text-muted);
            display: block;
            line-height: 1.5;
        }

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

        .brand-sidebar-card .sidebar-img {
            border-radius: var(--brand-radius-sm);
            overflow: hidden;
            margin-bottom: 14px;
            aspect-ratio: 16 / 10;
        }

        .brand-sidebar-card .sidebar-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        @media (max-width: 991px) {
            .brand-news-layout {
                grid-template-columns: 1fr;
            }
            .brand-sidebar {
                display: grid;
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .brand-sidebar {
                grid-template-columns: 1fr;
            }
            .brand-news-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .brand-news-item .news-index {
                font-size: 1.1rem;
                min-width: auto;
            }
        }

        /* ===== 适用人群 ===== */
        .brand-persona-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 26px;
        }

        .brand-persona-card {
            background: var(--brand-surface);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-lg);
            padding: 30px 28px;
            transition: var(--brand-transition);
            position: relative;
            overflow: hidden;
        }

        .brand-persona-card:hover {
            box-shadow: var(--brand-shadow-md);
            border-color: var(--brand-border-strong);
        }

        .brand-persona-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--brand-primary), var(--brand-accent));
        }

        .brand-persona-card h3 {
            font-size: 1.15rem;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .brand-persona-card p {
            font-size: 0.92rem;
            color: var(--brand-text-muted);
            margin-bottom: 0;
            line-height: 1.8;
        }

        .brand-persona-card--outline::before {
            background: linear-gradient(90deg, var(--brand-border-strong), var(--brand-text-light));
        }

        @media (max-width: 768px) {
            .brand-persona-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 安全体系 ===== */
        .brand-security-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .brand-security-item {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--brand-radius-md);
            padding: 26px 22px;
            transition: var(--brand-transition);
        }

        .brand-security-item:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.3);
        }

        .brand-security-item .sec-icon {
            font-size: 1.7rem;
            color: var(--brand-accent-light);
            margin-bottom: 14px;
        }

        .brand-security-item h3 {
            font-size: 1rem;
            color: #ffffff;
            margin-bottom: 8px;
        }

        .brand-security-item p {
            font-size: 0.84rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 0;
            line-height: 1.7;
        }

        @media (max-width: 991px) {
            .brand-security-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .brand-security-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 会员CTA ===== */
        .brand-cta-card {
            background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-primary-dark) 60%, #0a1f16 100%);
            border-radius: var(--brand-radius-xl);
            padding: 56px 48px;
            text-align: center;
            color: #ffffff;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.12);
        }

        .brand-cta-card::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(193, 154, 107, 0.3) 0%, transparent 70%);
        }

        .brand-cta-card::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -60px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(193, 154, 107, 0.2) 0%, transparent 70%);
        }

        .brand-cta-card h2 {
            color: #ffffff;
            font-size: clamp(1.7rem, 3.5vw, 2.4rem);
            margin-bottom: 18px;
            position: relative;
            z-index: 1;
        }

        .brand-cta-card p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1.02rem;
            max-width: 600px;
            margin: 0 auto 32px;
            position: relative;
            z-index: 1;
            line-height: 1.85;
        }

        .brand-cta-card .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
            position: relative;
            z-index: 1;
        }

        @media (max-width: 576px) {
            .brand-cta-card {
                padding: 40px 24px;
                border-radius: var(--brand-radius-lg);
            }
        }

        /* ===== 风险提示条 ===== */
        .brand-notice {
            background: var(--brand-surface-warm);
            border: 1px solid var(--brand-border);
            border-left: 4px solid var(--brand-accent);
            border-radius: var(--brand-radius-md);
            padding: 22px 24px;
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }

        .brand-notice .notice-icon {
            font-size: 1.3rem;
            color: var(--brand-accent-dark);
            flex-shrink: 0;
            margin-top: 2px;
        }

        .brand-notice p {
            font-size: 0.9rem;
            color: var(--brand-text-muted);
            margin-bottom: 0;
            line-height: 1.75;
        }

        /* ===== Footer ===== */
        .brand-footer {
            background-color: #0f1a15;
            color: rgba(255, 255, 255, 0.72);
            padding: 60px 0 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .brand-footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .brand-footer-brand .brand-logo {
            color: #ffffff;
            margin-bottom: 16px;
        }

        .brand-footer-brand p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.55);
            max-width: 320px;
            line-height: 1.75;
        }

        .brand-footer h4 {
            color: #ffffff;
            font-size: 0.98rem;
            margin-bottom: 18px;
            font-weight: 600;
        }

        .brand-footer ul li {
            margin-bottom: 10px;
        }

        .brand-footer ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
            transition: var(--brand-transition);
        }

        .brand-footer ul li a:hover {
            color: var(--brand-accent-light);
        }

        .brand-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .brand-footer-bottom p {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
            margin-bottom: 0;
        }

        .brand-footer-bottom .footer-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .brand-footer-bottom .footer-links a {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .brand-footer-bottom .footer-links a:hover {
            color: var(--brand-accent-light);
        }

        @media (max-width: 991px) {
            .brand-footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 576px) {
            .brand-footer-top {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .brand-footer {
                padding: 40px 0 24px;
            }
            .brand-footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        /* ===== 通用工具类 ===== */
        .text-accent {
            color: var(--brand-accent-dark);
        }

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

        .fw-semibold {
            font-weight: 600;
        }

        .mt-0 { margin-top: 0; }
        .mb-0 { margin-bottom: 0; }

        @media (max-width: 576px) {
            .brand-section {
                padding: 48px 0;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}