/* roulang page: index */
:root {
            --brand-bg: #F5F9FC;
            --brand-card: #FFFFFF;
            --brand-primary: #1F6FB2;
            --brand-primary-hover: #185A90;
            --brand-primary-light: #E8F2FA;
            --brand-text: #1A2B3D;
            --brand-text-secondary: #5A6B7E;
            --brand-accent-teal: #17A398;
            --brand-accent-orange: #F2A93B;
            --brand-border: #E2EAF1;
            --brand-radius-lg: 18px;
            --brand-radius-md: 14px;
            --brand-radius-sm: 10px;
            --brand-shadow: 0 4px 20px rgba(26, 43, 61, 0.07);
            --brand-shadow-hover: 0 10px 32px rgba(26, 43, 61, 0.13);
            --brand-transition: all 0.28s ease;
            --brand-font: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
            --brand-max-width: 1200px;
            --brand-gap-section: 72px;
            --brand-gap-sm: 16px;
            --brand-gap-md: 24px;
            --brand-gap-lg: 32px;
        }

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

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

        body {
            font-family: var(--brand-font);
            color: var(--brand-text);
            background-color: var(--brand-bg);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2.5px solid var(--brand-accent-teal);
            outline-offset: 2px;
            border-radius: 6px;
        }

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

        .container {
            max-width: var(--brand-max-width);
            padding-left: 20px;
            padding-right: 20px;
        }

        /* Header & Nav */
        .site-header {
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--brand-border);
            position: sticky;
            top: 0;
            z-index: 1080;
            padding: 0;
            min-height: 68px;
            display: flex;
            align-items: center;
        }

        .site-header .navbar {
            padding: 0;
            background: transparent;
            min-height: 68px;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.45rem;
            color: var(--brand-text);
            letter-spacing: 0.02em;
            padding: 0;
            margin-right: 32px;
            white-space: nowrap;
        }

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

        .brand-logo-dot {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: var(--brand-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .navbar-nav {
            gap: 4px;
        }

        .navbar-nav .nav-link {
            color: var(--brand-text-secondary);
            font-weight: 500;
            font-size: 0.96rem;
            padding: 10px 16px;
            border-radius: var(--brand-radius-sm);
            transition: var(--brand-transition);
            white-space: nowrap;
            position: relative;
        }

        .navbar-nav .nav-link:hover {
            color: var(--brand-primary);
            background: var(--brand-primary-light);
        }

        .navbar-nav .nav-link.active {
            color: var(--brand-primary);
            background: var(--brand-primary-light);
            font-weight: 650;
        }

        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--brand-primary);
        }

        .nav-phase-chips {
            display: flex;
            gap: 8px;
            align-items: center;
            margin-left: 20px;
            flex-shrink: 0;
        }

        .phase-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            transition: var(--brand-transition);
            border: 1.5px solid transparent;
            white-space: nowrap;
            cursor: pointer;
        }

        .phase-chip .phase-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            flex-shrink: 0;
        }

        .phase-chip-warmup {
            background: #FFF5E5;
            color: #C07A1B;
            border-color: #F5D9AB;
        }
        .phase-chip-warmup .phase-dot {
            background: var(--brand-accent-orange);
        }
        .phase-chip-warmup:hover {
            background: #FFE9C9;
            border-color: var(--brand-accent-orange);
            color: #9A5F0F;
        }

        .phase-chip-ongoing {
            background: #E6F7F5;
            color: #0E7A6E;
            border-color: #B5E3DE;
        }
        .phase-chip-ongoing .phase-dot {
            background: var(--brand-accent-teal);
        }
        .phase-chip-ongoing:hover {
            background: #C9EDE8;
            border-color: var(--brand-accent-teal);
            color: #0A5C52;
        }

        .phase-chip-replay {
            background: #EDF2F7;
            color: #4A5F73;
            border-color: #CFDAE5;
        }
        .phase-chip-replay .phase-dot {
            background: #5A6B7E;
        }
        .phase-chip-replay:hover {
            background: #DDE6EF;
            border-color: #5A6B7E;
            color: #2E3F50;
        }

        .navbar-toggler {
            border: 1.5px solid var(--brand-border);
            border-radius: var(--brand-radius-sm);
            padding: 8px 12px;
            transition: var(--brand-transition);
            box-shadow: none;
        }

        .navbar-toggler:hover {
            background: var(--brand-primary-light);
            border-color: var(--brand-primary);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(31, 111, 178, 0.2);
            border-color: var(--brand-primary);
        }

        .navbar-toggler .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%231A2B3D' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2.2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* Hero */
        .hero {
            background: var(--brand-bg);
            padding: 72px 0 56px;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -180px;
            right: -180px;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(31, 111, 178, 0.05) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -120px;
            left: -100px;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(23, 163, 152, 0.05) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-stack {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: 32px;
            align-items: stretch;
            position: relative;
            z-index: 2;
        }

        .hero-main-card {
            background: var(--brand-card);
            border-radius: var(--brand-radius-lg);
            padding: 48px 44px;
            box-shadow: var(--brand-shadow);
            border: 1px solid var(--brand-border);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .hero-brand-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            width: fit-content;
            background: var(--brand-primary-light);
            color: var(--brand-primary);
            font-weight: 650;
            font-size: 0.85rem;
            letter-spacing: 0.04em;
            padding: 8px 16px;
            border-radius: 24px;
            margin-bottom: 20px;
            border: 1px solid rgba(31, 111, 178, 0.2);
        }

        .hero-brand-badge .badge-icon {
            font-size: 0.8rem;
        }

        .hero-main-card h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--brand-text);
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: -0.01em;
        }

        .hero-main-card .hero-desc {
            font-size: 1.05rem;
            color: var(--brand-text-secondary);
            line-height: 1.85;
            margin-bottom: 28px;
            max-width: 540px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .hero-side-col {
            display: flex;
            flex-direction: column;
            gap: 20px;
            justify-content: center;
        }

        .hero-side-card {
            background: var(--brand-card);
            border-radius: var(--brand-radius-md);
            padding: 24px 24px 20px;
            box-shadow: var(--brand-shadow);
            border: 1px solid var(--brand-border);
            transition: var(--brand-transition);
            position: relative;
        }

        .hero-side-card:hover {
            box-shadow: var(--brand-shadow-hover);
            transform: translateY(-2px);
        }

        .hero-side-card-top {
            transform: translateX(12px);
        }

        .hero-side-card-bottom {
            transform: translateX(-8px);
        }

        .hero-side-card .side-card-label {
            font-size: 0.78rem;
            font-weight: 650;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--brand-text-secondary);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .hero-side-card .side-card-value {
            font-size: 1.35rem;
            font-weight: 750;
            color: var(--brand-text);
            margin-bottom: 4px;
            line-height: 1.3;
        }

        .hero-side-card .side-card-sub {
            font-size: 0.85rem;
            color: var(--brand-text-secondary);
        }

        .hero-side-card .side-card-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            font-size: 0.75rem;
            font-weight: 650;
            padding: 4px 10px;
            border-radius: 14px;
        }

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

        .section-alt {
            background: var(--brand-card);
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.82rem;
            font-weight: 650;
            letter-spacing: 0.05em;
            color: var(--brand-accent-teal);
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 750;
            color: var(--brand-text);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-header .section-desc {
            font-size: 1.02rem;
            color: var(--brand-text-secondary);
            line-height: 1.8;
            max-width: 680px;
        }

        /* Stage quick bar */
        .stage-quick-bar {
            background: var(--brand-card);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-md);
            padding: 18px 28px;
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            box-shadow: var(--brand-shadow);
            margin-top: -28px;
            position: relative;
            z-index: 3;
        }

        .stage-quick-bar .stage-label {
            font-weight: 650;
            font-size: 0.9rem;
            color: var(--brand-text);
            margin-right: 4px;
            white-space: nowrap;
        }

        /* Entry matrix cards */
        .entry-matrix-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--brand-gap-md);
        }

        .entry-card {
            background: var(--brand-card);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-md);
            padding: 28px 24px;
            transition: var(--brand-transition);
            box-shadow: var(--brand-shadow);
            display: flex;
            flex-direction: column;
            gap: 10px;
            position: relative;
            overflow: hidden;
        }

        .entry-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--brand-primary);
            opacity: 0;
            transition: var(--brand-transition);
        }

        .entry-card:hover {
            box-shadow: var(--brand-shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(31, 111, 178, 0.3);
        }

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

        .entry-card .entry-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: #fff;
            flex-shrink: 0;
        }

        .entry-icon-blue {
            background: var(--brand-primary);
        }
        .entry-icon-teal {
            background: var(--brand-accent-teal);
        }
        .entry-icon-orange {
            background: var(--brand-accent-orange);
        }
        .entry-icon-dark {
            background: #4A6075;
        }

        .entry-card h3 {
            font-size: 1.1rem;
            font-weight: 680;
            color: var(--brand-text);
            margin: 4px 0 2px;
        }

        .entry-card p {
            font-size: 0.9rem;
            color: var(--brand-text-secondary);
            line-height: 1.65;
            margin: 0;
            flex-grow: 1;
        }

        .entry-card .entry-link {
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--brand-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: var(--brand-transition);
        }

        .entry-card .entry-link:hover {
            gap: 8px;
            color: var(--brand-primary-hover);
        }

        /* Data advantage */
        .data-adv-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--brand-gap-md);
        }

        .data-adv-card {
            background: var(--brand-card);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-md);
            padding: 28px 24px;
            text-align: center;
            transition: var(--brand-transition);
            box-shadow: var(--brand-shadow);
        }

        .data-adv-card:hover {
            box-shadow: var(--brand-shadow-hover);
            transform: translateY(-3px);
        }

        .data-adv-card .adv-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--brand-primary);
            line-height: 1.2;
            letter-spacing: -0.01em;
            display: block;
        }

        .data-adv-card .adv-label {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--brand-text);
            margin-top: 6px;
            display: block;
        }

        .data-adv-card .adv-sub {
            font-size: 0.82rem;
            color: var(--brand-text-secondary);
            margin-top: 4px;
        }

        /* Scene cards */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--brand-gap-md);
        }

        .scene-card {
            background: var(--brand-card);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-md);
            padding: 24px 20px;
            transition: var(--brand-transition);
            box-shadow: var(--brand-shadow);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .scene-card:hover {
            box-shadow: var(--brand-shadow-hover);
            border-color: rgba(23, 163, 152, 0.35);
            transform: translateY(-3px);
        }

        .scene-card .scene-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--brand-accent-teal);
            background: #E6F7F5;
            margin-bottom: 4px;
        }

        .scene-card h4 {
            font-size: 1rem;
            font-weight: 680;
            color: var(--brand-text);
            margin: 0;
        }

        .scene-card p {
            font-size: 0.88rem;
            color: var(--brand-text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        /* Process steps */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--brand-gap-md);
            counter-reset: process-counter;
        }

        .process-step {
            background: var(--brand-card);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-md);
            padding: 28px 24px;
            position: relative;
            transition: var(--brand-transition);
            box-shadow: var(--brand-shadow);
        }

        .process-step:hover {
            box-shadow: var(--brand-shadow-hover);
            transform: translateY(-3px);
        }

        .process-step .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--brand-primary);
            color: #fff;
            font-weight: 750;
            font-size: 1rem;
            margin-bottom: 14px;
        }

        .process-step h4 {
            font-size: 1.05rem;
            font-weight: 680;
            color: var(--brand-text);
            margin-bottom: 6px;
        }

        .process-step p {
            font-size: 0.88rem;
            color: var(--brand-text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        /* Metrics wall */
        .metrics-wall {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--brand-gap-md);
        }

        .metric-item {
            background: var(--brand-card);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-md);
            padding: 24px 20px;
            display: flex;
            align-items: center;
            gap: 14px;
            transition: var(--brand-transition);
            box-shadow: var(--brand-shadow);
        }

        .metric-item:hover {
            box-shadow: var(--brand-shadow-hover);
        }

        .metric-item .metric-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            flex-shrink: 0;
        }

        .metric-item .metric-info .metric-value {
            font-size: 1.35rem;
            font-weight: 750;
            color: var(--brand-text);
            line-height: 1.2;
        }

        .metric-item .metric-info .metric-label {
            font-size: 0.82rem;
            color: var(--brand-text-secondary);
        }

        /* Case wall */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--brand-gap-md);
        }

        .case-card {
            background: var(--brand-card);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-md);
            overflow: hidden;
            transition: var(--brand-transition);
            box-shadow: var(--brand-shadow);
        }

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

        .case-card .case-cover {
            height: 180px;
            object-fit: cover;
            width: 100%;
        }

        .case-card .case-body {
            padding: 20px 22px 22px;
        }

        .case-card .case-body h3 {
            font-size: 1.05rem;
            font-weight: 680;
            color: var(--brand-text);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .case-card .case-body p {
            font-size: 0.88rem;
            color: var(--brand-text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        .case-card .case-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 650;
            padding: 4px 10px;
            border-radius: 14px;
            background: var(--brand-primary-light);
            color: var(--brand-primary);
            margin-bottom: 10px;
        }

        /* Brand intro */
        .brand-intro-block {
            background: var(--brand-card);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-lg);
            padding: 44px 40px;
            box-shadow: var(--brand-shadow);
        }

        .brand-intro-block .intro-text {
            font-size: 1.02rem;
            color: var(--brand-text);
            line-height: 1.9;
            margin-bottom: 16px;
        }

        .brand-intro-block .intro-text:last-child {
            margin-bottom: 0;
        }

        /* News list */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .news-item {
            background: var(--brand-card);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-md);
            padding: 22px 24px;
            transition: var(--brand-transition);
            box-shadow: var(--brand-shadow);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .news-item:hover {
            box-shadow: var(--brand-shadow-hover);
            border-color: rgba(31, 111, 178, 0.3);
        }

        .news-item .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .news-item .news-date {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--brand-text-secondary);
            letter-spacing: 0.03em;
        }

        .news-item .news-category {
            font-size: 0.75rem;
            font-weight: 650;
            padding: 3px 10px;
            border-radius: 14px;
            background: #E6F7F5;
            color: var(--brand-accent-teal);
        }

        .news-item .news-title {
            font-size: 1.1rem;
            font-weight: 680;
            color: var(--brand-text);
            line-height: 1.45;
            margin: 2px 0;
        }

        .news-item .news-summary {
            font-size: 0.92rem;
            color: var(--brand-text-secondary);
            line-height: 1.7;
        }

        .news-item .news-btn {
            align-self: flex-start;
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--brand-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: 4px;
            transition: var(--brand-transition);
        }

        .news-item .news-btn:hover {
            gap: 8px;
            color: var(--brand-primary-hover);
        }

        /* Partners */
        .partners-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            align-items: center;
        }

        .partner-badge {
            background: var(--brand-card);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-sm);
            padding: 14px 24px;
            font-weight: 650;
            font-size: 0.92rem;
            color: var(--brand-text-secondary);
            transition: var(--brand-transition);
            letter-spacing: 0.03em;
            box-shadow: 0 2px 8px rgba(26, 43, 61, 0.04);
        }

        .partner-badge:hover {
            color: var(--brand-primary);
            border-color: rgba(31, 111, 178, 0.35);
            box-shadow: var(--brand-shadow);
            transform: translateY(-2px);
        }

        /* FAQ */
        .faq-list .accordion-item {
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--brand-card);
            box-shadow: 0 2px 8px rgba(26, 43, 61, 0.04);
        }

        .faq-list .accordion-button {
            background: var(--brand-card);
            color: var(--brand-text);
            font-weight: 650;
            font-size: 0.98rem;
            padding: 20px 24px;
            box-shadow: none;
            border-radius: var(--brand-radius-md) !important;
        }

        .faq-list .accordion-button:not(.collapsed) {
            background: var(--brand-primary-light);
            color: var(--brand-primary);
            box-shadow: none;
        }

        .faq-list .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(31, 111, 178, 0.15);
            border-color: transparent;
        }

        .faq-list .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%231A2B3D'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
        }

        .faq-list .accordion-body {
            padding: 18px 24px 22px;
            font-size: 0.92rem;
            color: var(--brand-text-secondary);
            line-height: 1.75;
        }

        /* Guarantee bar */
        .guarantee-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--brand-gap-md);
        }

        .guarantee-item {
            display: flex;
            align-items: center;
            gap: 12px;
            background: var(--brand-card);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-md);
            padding: 18px 20px;
            transition: var(--brand-transition);
            box-shadow: 0 2px 10px rgba(26, 43, 61, 0.05);
        }

        .guarantee-item:hover {
            box-shadow: var(--brand-shadow);
        }

        .guarantee-item .guarantee-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--brand-accent-teal);
            background: #E6F7F5;
            flex-shrink: 0;
        }

        .guarantee-item .guarantee-text {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--brand-text);
        }

        /* CTA form */
        .cta-section {
            background: var(--brand-card);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-lg);
            padding: 48px 44px;
            box-shadow: var(--brand-shadow);
        }

        .cta-section .cta-title {
            font-size: 1.6rem;
            font-weight: 750;
            color: var(--brand-text);
            margin-bottom: 8px;
        }

        .cta-section .cta-desc {
            font-size: 1rem;
            color: var(--brand-text-secondary);
            line-height: 1.75;
            margin-bottom: 28px;
        }

        .cta-form .form-label {
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--brand-text);
            margin-bottom: 6px;
        }

        .cta-form .form-control,
        .cta-form .form-select {
            border: 1.5px solid var(--brand-border);
            border-radius: var(--brand-radius-sm);
            padding: 12px 16px;
            font-size: 0.95rem;
            transition: var(--brand-transition);
            background: #FAFCFE;
            color: var(--brand-text);
        }

        .cta-form .form-control:focus,
        .cta-form .form-select:focus {
            border-color: var(--brand-primary);
            box-shadow: 0 0 0 3px rgba(31, 111, 178, 0.12);
            outline: none;
            background: #fff;
        }

        .cta-form .form-control::placeholder {
            color: #9AAEC0;
        }

        .cta-privacy {
            font-size: 0.8rem;
            color: var(--brand-text-secondary);
            margin-top: 12px;
        }

        /* Buttons */
        .btn-brand {
            background: var(--brand-primary);
            color: #fff;
            border: none;
            border-radius: var(--brand-radius-sm);
            padding: 12px 26px;
            font-weight: 650;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: var(--brand-transition);
            box-shadow: 0 4px 14px rgba(31, 111, 178, 0.28);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-brand:hover {
            background: var(--brand-primary-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(31, 111, 178, 0.35);
        }

        .btn-brand:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(31, 111, 178, 0.25);
        }

        .btn-brand-outline {
            background: transparent;
            color: var(--brand-primary);
            border: 1.5px solid var(--brand-primary);
            border-radius: var(--brand-radius-sm);
            padding: 11px 24px;
            font-weight: 650;
            font-size: 0.95rem;
            transition: var(--brand-transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-brand-outline:hover {
            background: var(--brand-primary-light);
            color: var(--brand-primary);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(31, 111, 178, 0.15);
        }

        .btn-brand-outline:active {
            transform: translateY(0);
        }

        /* Footer */
        .site-footer {
            background: #16324F;
            color: #C5D5E4;
            padding: 52px 0 24px;
            margin-top: 40px;
        }

        .site-footer .footer-brand {
            font-weight: 800;
            font-size: 1.3rem;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .site-footer .footer-brand .brand-logo-dot {
            background: var(--brand-accent-teal);
        }

        .site-footer .footer-desc {
            font-size: 0.9rem;
            line-height: 1.75;
            color: #A8BECD;
            max-width: 320px;
            margin-bottom: 18px;
        }

        .site-footer .footer-title {
            font-weight: 650;
            font-size: 0.95rem;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .site-footer .footer-links a {
            color: #A8BECD;
            font-size: 0.88rem;
            transition: var(--brand-transition);
        }

        .site-footer .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 36px;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: #8DA3B5;
        }

        .site-footer .footer-bottom a {
            color: #B5C8D8;
            font-size: 0.82rem;
        }

        .site-footer .footer-bottom a:hover {
            color: #fff;
        }

        .footer-bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* Responsive */
        @media (max-width: 1199.98px) {
            .hero-stack {
                gap: 24px;
            }
            .hero-main-card h1 {
                font-size: 2.2rem;
            }
            .entry-matrix-grid,
            .data-adv-grid,
            .scene-grid,
            .process-steps,
            .metrics-wall,
            .guarantee-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .case-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 991.98px) {
            .navbar-nav {
                padding: 16px 0 8px;
                gap: 2px;
            }
            .navbar-nav .nav-link {
                padding: 12px 16px;
            }
            .navbar-nav .nav-link.active::after {
                display: none;
            }
            .nav-phase-chips {
                margin-left: 0;
                padding: 8px 0 16px;
                overflow-x: auto;
                flex-wrap: nowrap;
                -webkit-overflow-scrolling: touch;
            }
            .phase-chip {
                flex-shrink: 0;
            }
            .hero {
                padding: 48px 0 40px;
            }
            .hero-stack {
                grid-template-columns: 1fr;
            }
            .hero-main-card {
                padding: 36px 28px;
            }
            .hero-main-card h1 {
                font-size: 1.9rem;
            }
            .hero-side-card-top,
            .hero-side-card-bottom {
                transform: none;
            }
            .hero-side-col {
                gap: 14px;
            }
            .stage-quick-bar {
                margin-top: 8px;
                padding: 14px 20px;
                gap: 10px;
            }
            .section {
                padding: 56px 0;
            }
            .section-header h2 {
                font-size: 1.7rem;
            }
        }

        @media (max-width: 767.98px) {
            .entry-matrix-grid,
            .data-adv-grid,
            .scene-grid,
            .process-steps,
            .metrics-wall,
            .guarantee-bar,
            .case-grid {
                grid-template-columns: 1fr;
            }
            .hero-main-card h1 {
                font-size: 1.6rem;
            }
            .hero-main-card .hero-desc {
                font-size: 0.95rem;
            }
            .section {
                padding: 48px 0;
            }
            .section-header h2 {
                font-size: 1.45rem;
            }
            .brand-intro-block {
                padding: 28px 22px;
            }
            .cta-section {
                padding: 32px 24px;
            }
            .cta-section .cta-title {
                font-size: 1.3rem;
            }
            .news-item {
                padding: 18px 16px;
            }
            .news-item .news-title {
                font-size: 1rem;
            }
            .partner-badge {
                padding: 10px 16px;
                font-size: 0.82rem;
            }
            .site-footer {
                padding: 40px 0 20px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
        }

        @media (max-width: 519.98px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .hero-main-card {
                padding: 28px 20px;
            }
            .hero-main-card h1 {
                font-size: 1.4rem;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .data-adv-card .adv-number {
                font-size: 1.8rem;
            }
        }

/* roulang page: category1 */
:root {
            --brand-bg: #F5F9FC;
            --brand-card: #FFFFFF;
            --brand-primary: #1F6FB2;
            --brand-primary-hover: #185A90;
            --brand-primary-light: #E8F2FA;
            --brand-text: #1A2B3D;
            --brand-text-secondary: #5A6B7E;
            --brand-accent-teal: #17A398;
            --brand-accent-orange: #F2A93B;
            --brand-border: #E2EAF1;
            --brand-radius-lg: 18px;
            --brand-radius-md: 14px;
            --brand-radius-sm: 10px;
            --brand-shadow: 0 4px 20px rgba(26, 43, 61, 0.07);
            --brand-shadow-hover: 0 10px 32px rgba(26, 43, 61, 0.13);
            --brand-transition: all 0.28s ease;
            --brand-font: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
            --brand-max-width: 1200px;
            --brand-gap-section: 72px;
            --brand-gap-sm: 16px;
            --brand-gap-md: 24px;
            --brand-gap-lg: 32px;
        }

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

        body {
            font-family: var(--brand-font);
            color: var(--brand-text);
            background-color: var(--brand-bg);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2.5px solid var(--brand-accent-teal);
            outline-offset: 2px;
            border-radius: 6px;
        }

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

        .container {
            max-width: var(--brand-max-width);
            padding-left: 20px;
            padding-right: 20px;
        }

        /* Header & Nav */
        .site-header {
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--brand-border);
            position: sticky;
            top: 0;
            z-index: 1080;
            padding: 0;
            min-height: 68px;
            display: flex;
            align-items: center;
        }

        .site-header .navbar {
            padding: 0;
            background: transparent;
            min-height: 68px;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.45rem;
            color: var(--brand-text);
            letter-spacing: 0.02em;
            padding: 0;
            margin-right: 32px;
            white-space: nowrap;
        }

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

        .brand-logo-dot {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: var(--brand-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .navbar-nav {
            gap: 4px;
        }

        .navbar-nav .nav-link {
            color: var(--brand-text-secondary);
            font-weight: 500;
            font-size: 0.96rem;
            padding: 10px 16px;
            border-radius: var(--brand-radius-sm);
            transition: var(--brand-transition);
            white-space: nowrap;
            position: relative;
        }

        .navbar-nav .nav-link:hover {
            color: var(--brand-primary);
            background: var(--brand-primary-light);
        }

        .navbar-nav .nav-link.active {
            color: var(--brand-primary);
            background: var(--brand-primary-light);
            font-weight: 650;
        }

        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--brand-primary);
        }

        .nav-phase-chips {
            display: flex;
            gap: 8px;
            align-items: center;
            margin-left: 20px;
            flex-shrink: 0;
        }

        .phase-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            transition: var(--brand-transition);
            border: 1.5px solid transparent;
            white-space: nowrap;
            cursor: pointer;
        }

        .phase-chip .phase-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            flex-shrink: 0;
        }

        .phase-chip-warmup {
            background: #FFF5E5;
            color: #C07A1B;
            border-color: #F5D9AB;
        }

        .phase-chip-warmup .phase-dot {
            background: var(--brand-accent-orange);
        }

        .phase-chip-warmup:hover {
            background: #FFE9C9;
            border-color: var(--brand-accent-orange);
            color: #9A5F0F;
        }

        .phase-chip-ongoing {
            background: #E6F7F5;
            color: #0E7A6E;
            border-color: #B5E3DE;
        }

        .phase-chip-ongoing .phase-dot {
            background: var(--brand-accent-teal);
        }

        .phase-chip-ongoing:hover {
            background: #C9EDE8;
            border-color: var(--brand-accent-teal);
            color: #0B5F55;
        }

        .phase-chip-replay {
            background: #EDF2F7;
            color: #4A6579;
            border-color: #D4DEE8;
        }

        .phase-chip-replay .phase-dot {
            background: #7C8FA3;
        }

        .phase-chip-replay:hover {
            background: #DCE4EC;
            border-color: #7C8FA3;
            color: #33465C;
        }

        .navbar-toggler {
            border: 1.5px solid var(--brand-border);
            border-radius: var(--brand-radius-sm);
            padding: 6px 10px;
            transition: var(--brand-transition);
        }

        .navbar-toggler:focus {
            box-shadow: none;
        }

        .navbar-toggler:hover {
            background: var(--brand-primary-light);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%231F6FB2' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* Breadcrumb */
        .breadcrumb-section {
            padding: 24px 0 0;
            background: transparent;
        }

        .breadcrumb {
            margin: 0;
            padding: 0;
            background: transparent;
            font-size: 0.88rem;
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .breadcrumb-item a {
            color: var(--brand-text-secondary);
            font-weight: 500;
        }

        .breadcrumb-item a:hover {
            color: var(--brand-primary);
        }

        .breadcrumb-item.active {
            color: var(--brand-primary);
            font-weight: 600;
        }

        .breadcrumb-item+.breadcrumb-item::before {
            content: '›';
            color: var(--brand-text-secondary);
            opacity: 0.5;
            padding: 0 2px;
        }

        /* Page Header */
        .page-header {
            padding: 28px 0 32px;
            background: transparent;
        }

        .page-header h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--brand-text);
            letter-spacing: 0.02em;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .page-header .header-desc {
            font-size: 1.05rem;
            color: var(--brand-text-secondary);
            max-width: 820px;
            line-height: 1.85;
            margin: 0;
        }

        /* Category Chips */
        .category-chips-section {
            padding: 16px 0 8px;
        }

        .category-chips {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            align-items: center;
        }

        .category-chip-link {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            border: 1.5px solid var(--brand-border);
            background: var(--brand-card);
            color: var(--brand-text-secondary);
            transition: var(--brand-transition);
            white-space: nowrap;
        }

        .category-chip-link i {
            font-size: 0.85rem;
        }

        .category-chip-link:hover {
            border-color: var(--brand-primary);
            color: var(--brand-primary);
            background: var(--brand-primary-light);
            box-shadow: 0 4px 14px rgba(31, 111, 178, 0.12);
            transform: translateY(-2px);
        }

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

        /* Schedule Cards */
        .schedule-section {
            padding: var(--brand-gap-section) 0;
        }

        .schedule-card {
            background: var(--brand-card);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-md);
            padding: 22px 24px;
            box-shadow: var(--brand-shadow);
            transition: var(--brand-transition);
            margin-bottom: 18px;
            position: relative;
            overflow: hidden;
        }

        .schedule-card:hover {
            box-shadow: var(--brand-shadow-hover);
            transform: translateY(-2px);
            border-color: #c8d9e8;
        }

        .schedule-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            border-radius: 0 4px 4px 0;
        }

        .schedule-card.status-warmup::before {
            background: var(--brand-accent-orange);
        }

        .schedule-card.status-ongoing::before {
            background: var(--brand-accent-teal);
        }

        .schedule-card.status-replay::before {
            background: #7C8FA3;
        }

        .schedule-card .card-top {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 14px;
        }

        .schedule-card .date-block {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--brand-text-secondary);
            font-weight: 500;
        }

        .schedule-card .date-block i {
            color: var(--brand-primary);
            font-size: 0.95rem;
        }

        .status-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 16px;
            font-size: 0.78rem;
            font-weight: 650;
            letter-spacing: 0.03em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .status-badge .status-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            flex-shrink: 0;
        }

        .status-badge.badge-warmup {
            background: #FFF5E5;
            color: #C07A1B;
        }

        .status-badge.badge-warmup .status-dot {
            background: var(--brand-accent-orange);
        }

        .status-badge.badge-ongoing {
            background: #E6F7F5;
            color: #0E7A6E;
        }

        .status-badge.badge-ongoing .status-dot {
            background: var(--brand-accent-teal);
        }

        .status-badge.badge-replay {
            background: #EDF2F7;
            color: #4A6579;
        }

        .status-badge.badge-replay .status-dot {
            background: #7C8FA3;
        }

        .schedule-card .match-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--brand-text);
            margin-bottom: 8px;
            line-height: 1.45;
        }

        .schedule-card .match-teams {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 10px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--brand-text);
        }

        .schedule-card .match-teams .vs {
            color: var(--brand-text-secondary);
            font-weight: 500;
            font-size: 0.82rem;
            padding: 0 4px;
        }

        .schedule-card .match-viewpoint {
            color: var(--brand-text-secondary);
            font-size: 0.92rem;
            line-height: 1.7;
            margin: 0;
        }

        .schedule-card .card-image {
            width: 72px;
            height: 72px;
            border-radius: var(--brand-radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }

        .schedule-card .card-body-flex {
            display: flex;
            gap: 18px;
            align-items: flex-start;
        }

        /* Featured Viewpoints */
        .featured-section {
            padding: var(--brand-gap-section) 0;
            background: #FFFFFF;
            border-top: 1px solid var(--brand-border);
            border-bottom: 1px solid var(--brand-border);
        }

        .featured-item {
            display: flex;
            gap: 14px;
            align-items: center;
            padding: 12px 16px;
            border-radius: var(--brand-radius-sm);
            transition: var(--brand-transition);
            background: var(--brand-bg);
            margin-bottom: 10px;
        }

        .featured-item:hover {
            background: var(--brand-primary-light);
            transform: translateX(4px);
        }

        .featured-item i {
            color: var(--brand-primary);
            font-size: 1rem;
            flex-shrink: 0;
        }

        .featured-item span {
            font-size: 0.94rem;
            font-weight: 500;
            color: var(--brand-text);
            line-height: 1.5;
        }

        /* Data Snapshot */
        .snapshot-section {
            padding: var(--brand-gap-section) 0;
        }

        .snapshot-card {
            background: var(--brand-card);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-md);
            padding: 20px 18px;
            box-shadow: var(--brand-shadow);
            text-align: center;
            transition: var(--brand-transition);
            height: 100%;
        }

        .snapshot-card:hover {
            box-shadow: var(--brand-shadow-hover);
            transform: translateY(-3px);
            border-color: #c8d9e8;
        }

        .snapshot-card .snapshot-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--brand-primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .snapshot-card .snapshot-label {
            font-size: 0.88rem;
            color: var(--brand-text-secondary);
            font-weight: 500;
        }

        /* CTA Section */
        .cta-section {
            padding: var(--brand-gap-section) 0;
            background: #FFFFFF;
            border-top: 1px solid var(--brand-border);
        }

        .cta-wrapper {
            background: linear-gradient(135deg, #F0F7FC 0%, #E8F2FA 100%);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-lg);
            padding: 36px 32px;
            box-shadow: var(--brand-shadow);
        }

        .cta-wrapper h2 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--brand-text);
            margin-bottom: 8px;
        }

        .cta-wrapper p {
            color: var(--brand-text-secondary);
            font-size: 0.95rem;
            margin-bottom: 0;
        }

        .btn-brand-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 24px;
            border-radius: var(--brand-radius-sm);
            background: var(--brand-primary);
            color: #fff;
            font-weight: 650;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            border: none;
            transition: var(--brand-transition);
            box-shadow: 0 4px 12px rgba(31, 111, 178, 0.28);
            white-space: nowrap;
        }

        .btn-brand-primary:hover {
            background: var(--brand-primary-hover);
            color: #fff;
            box-shadow: 0 8px 20px rgba(24, 90, 144, 0.36);
            transform: translateY(-2px);
        }

        .btn-brand-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 10px rgba(24, 90, 144, 0.3);
        }

        /* Footer */
        .site-footer {
            background: #16324F;
            color: #C6D5E1;
            padding: 56px 0 24px;
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.3rem;
            color: #FFFFFF;
            letter-spacing: 0.02em;
            margin-bottom: 14px;
        }

        .footer-brand .brand-logo-dot {
            background: var(--brand-primary);
            width: 26px;
            height: 26px;
            font-size: 0.8rem;
        }

        .footer-desc {
            font-size: 0.9rem;
            color: #A5B8C8;
            line-height: 1.75;
            margin-bottom: 0;
            max-width: 340px;
        }

        .footer-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 8px;
        }

        .footer-links a {
            color: #A5B8C8;
            font-size: 0.88rem;
            transition: var(--brand-transition);
        }

        .footer-links a:hover {
            color: #FFFFFF;
            text-decoration: underline;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 40px;
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.84rem;
            color: #8BA2B5;
        }

        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-bottom-links a {
            color: #A5B8C8;
            transition: var(--brand-transition);
        }

        .footer-bottom-links a:hover {
            color: #FFFFFF;
            text-decoration: underline;
        }

        .footer-bottom-links span {
            color: #5C7388;
        }

        /* Section Headers */
        .section-heading {
            margin-bottom: 28px;
        }

        .section-heading h2 {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--brand-text);
            letter-spacing: 0.02em;
            margin-bottom: 8px;
            line-height: 1.35;
        }

        .section-heading p {
            font-size: 0.98rem;
            color: var(--brand-text-secondary);
            max-width: 680px;
            line-height: 1.8;
            margin: 0;
        }

        /* Responsive */
        @media (max-width: 991.98px) {
            .site-header {
                min-height: auto;
                padding: 10px 0;
            }

            .site-header .navbar {
                min-height: auto;
            }

            .navbar-brand {
                margin-right: 12px;
                font-size: 1.25rem;
            }

            .nav-phase-chips {
                margin-left: 0;
                margin-top: 10px;
                flex-wrap: nowrap;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                padding-bottom: 4px;
            }

            .navbar-collapse {
                padding: 12px 0 8px;
            }

            .navbar-nav {
                gap: 2px;
                margin-bottom: 8px;
            }

            .navbar-nav .nav-link {
                padding: 8px 10px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --brand-gap-section: 48px;
            }

            .page-header h1 {
                font-size: 1.7rem;
            }

            .page-header .header-desc {
                font-size: 0.95rem;
            }

            .schedule-card {
                padding: 18px 16px;
            }

            .schedule-card .card-body-flex {
                flex-direction: column;
                gap: 12px;
            }

            .schedule-card .card-image {
                width: 100%;
                height: 160px;
                border-radius: var(--brand-radius-sm);
                object-fit: cover;
            }

            .schedule-card .match-teams {
                font-size: 0.88rem;
            }

            .schedule-card .match-title {
                font-size: 1.05rem;
            }

            .cta-wrapper {
                padding: 24px 18px;
                text-align: center;
            }

            .cta-wrapper .btn-brand-primary {
                width: 100%;
                justify-content: center;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .section-heading h2 {
                font-size: 1.35rem;
            }

            .breadcrumb-section {
                padding-top: 16px;
            }
        }

        @media (max-width: 519.98px) {
            .page-header h1 {
                font-size: 1.5rem;
            }

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

            .snapshot-card .snapshot-number {
                font-size: 1.6rem;
            }

            .category-chip-link {
                padding: 6px 14px;
                font-size: 0.82rem;
            }

            .phase-chip {
                padding: 4px 10px;
                font-size: 0.74rem;
            }
        }

/* roulang page: category2 */
:root {
            --brand-bg: #F5F9FC;
            --brand-card: #FFFFFF;
            --brand-primary: #1F6FB2;
            --brand-primary-hover: #185A90;
            --brand-primary-light: #E8F2FA;
            --brand-text: #1A2B3D;
            --brand-text-secondary: #5A6B7E;
            --brand-accent-teal: #17A398;
            --brand-accent-orange: #F2A93B;
            --brand-border: #E2EAF1;
            --brand-radius-lg: 18px;
            --brand-radius-md: 14px;
            --brand-radius-sm: 10px;
            --brand-shadow: 0 4px 20px rgba(26, 43, 61, 0.07);
            --brand-shadow-hover: 0 10px 32px rgba(26, 43, 61, 0.13);
            --brand-transition: all 0.28s ease;
            --brand-font: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
            --brand-max-width: 1200px;
            --brand-gap-section: 72px;
            --brand-gap-sm: 16px;
            --brand-gap-md: 24px;
            --brand-gap-lg: 32px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--brand-font);
            color: var(--brand-text);
            background-color: var(--brand-bg);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--brand-primary);
            text-decoration: none;
            transition: var(--brand-transition);
        }
        a:hover {
            color: var(--brand-primary-hover);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2.5px solid var(--brand-accent-teal);
            outline-offset: 2px;
            border-radius: 6px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: var(--brand-max-width);
            padding-left: 20px;
            padding-right: 20px;
        }
        /* Header & Nav */
        .site-header {
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--brand-border);
            position: sticky;
            top: 0;
            z-index: 1080;
            padding: 0;
            min-height: 68px;
            display: flex;
            align-items: center;
        }
        .site-header .navbar {
            padding: 0;
            background: transparent;
            min-height: 68px;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.45rem;
            color: var(--brand-text);
            letter-spacing: 0.02em;
            padding: 0;
            margin-right: 32px;
            white-space: nowrap;
        }
        .navbar-brand:hover {
            color: var(--brand-primary);
        }
        .brand-logo-dot {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: var(--brand-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .navbar-nav {
            gap: 4px;
        }
        .navbar-nav .nav-link {
            color: var(--brand-text-secondary);
            font-weight: 500;
            font-size: 0.96rem;
            padding: 10px 16px;
            border-radius: var(--brand-radius-sm);
            transition: var(--brand-transition);
            white-space: nowrap;
            position: relative;
        }
        .navbar-nav .nav-link:hover {
            color: var(--brand-primary);
            background: var(--brand-primary-light);
        }
        .navbar-nav .nav-link.active {
            color: var(--brand-primary);
            background: var(--brand-primary-light);
            font-weight: 650;
        }
        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--brand-primary);
        }
        .nav-phase-chips {
            display: flex;
            gap: 8px;
            align-items: center;
            margin-left: 20px;
            flex-shrink: 0;
        }
        .phase-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            transition: var(--brand-transition);
            border: 1.5px solid transparent;
            white-space: nowrap;
            cursor: pointer;
        }
        .phase-chip .phase-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            flex-shrink: 0;
        }
        .phase-chip-warmup {
            background: #FFF5E5;
            color: #C07A1B;
            border-color: #F5D9AB;
        }
        .phase-chip-warmup .phase-dot {
            background: var(--brand-accent-orange);
        }
        .phase-chip-warmup:hover {
            background: #FFE9C9;
            border-color: var(--brand-accent-orange);
            color: #9A5F0F;
        }
        .phase-chip-ongoing {
            background: #E6F7F5;
            color: #0E7A6E;
            border-color: #B5E3DE;
        }
        .phase-chip-ongoing .phase-dot {
            background: var(--brand-accent-teal);
        }
        .phase-chip-ongoing:hover {
            background: #C9EDE8;
            border-color: var(--brand-accent-teal);
            color: #0A5A52;
        }
        .phase-chip-replay {
            background: #EDF1F5;
            color: #4A5B6E;
            border-color: #D3DCE5;
        }
        .phase-chip-replay .phase-dot {
            background: #7B8B9E;
        }
        .phase-chip-replay:hover {
            background: #DEE5EC;
            border-color: #7B8B9E;
            color: #2C3D4E;
        }
        .navbar-toggler {
            border: 1.5px solid var(--brand-border);
            border-radius: var(--brand-radius-sm);
            padding: 8px 10px;
            background: #fff;
            transition: var(--brand-transition);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(23, 163, 152, 0.25);
            border-color: var(--brand-accent-teal);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%231A2B3D' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
            width: 24px;
            height: 24px;
        }
        /* Breadcrumb */
        .breadcrumb-wrapper {
            background: transparent;
            padding: 28px 0 0;
        }
        .breadcrumb {
            margin: 0;
            padding: 0;
            background: transparent;
            font-size: 0.88rem;
            color: var(--brand-text-secondary);
        }
        .breadcrumb a {
            color: var(--brand-text-secondary);
            font-weight: 500;
        }
        .breadcrumb a:hover {
            color: var(--brand-primary);
        }
        .breadcrumb .breadcrumb-item.active {
            color: var(--brand-primary);
            font-weight: 600;
        }
        .breadcrumb-item + .breadcrumb-item::before {
            content: '›';
            color: #A5B4C5;
            font-weight: 600;
            padding: 0 6px;
        }
        /* Page Header */
        .page-header {
            padding: 28px 0 16px;
            background: var(--brand-bg);
        }
        .page-header h1 {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--brand-text);
            letter-spacing: 0.01em;
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .page-header .header-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            background: var(--brand-primary-light);
            color: var(--brand-primary);
            margin-bottom: 12px;
        }
        /* Section */
        .section {
            padding: 48px 0;
            position: relative;
        }
        .section-alt {
            background: #FFFFFF;
            border-top: 1px solid var(--brand-border);
            border-bottom: 1px solid var(--brand-border);
        }
        .section-heading {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--brand-text);
            margin-bottom: 8px;
            line-height: 1.35;
        }
        .section-sub {
            color: var(--brand-text-secondary);
            font-size: 0.98rem;
            max-width: 620px;
            line-height: 1.7;
        }
        /* Category Chips */
        .category-chips {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .category-chip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 600;
            background: #fff;
            color: var(--brand-text-secondary);
            border: 1.5px solid var(--brand-border);
            transition: var(--brand-transition);
            white-space: nowrap;
        }
        .category-chip i {
            font-size: 0.82rem;
            color: var(--brand-primary);
        }
        .category-chip:hover {
            border-color: var(--brand-primary);
            color: var(--brand-primary);
            background: var(--brand-primary-light);
            transform: translateY(-2px);
            box-shadow: var(--brand-shadow);
        }
        .category-chip.active {
            background: var(--brand-primary);
            color: #fff;
            border-color: var(--brand-primary);
        }
        .category-chip.active i {
            color: #fff;
        }
        /* Team Card Grid */
        .team-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--brand-gap-md);
            align-items: stretch;
        }
        .team-card {
            background: var(--brand-card);
            border-radius: var(--brand-radius-lg);
            border: 1px solid var(--brand-border);
            overflow: hidden;
            transition: var(--brand-transition);
            display: flex;
            flex-direction: column;
            box-shadow: var(--brand-shadow);
            position: relative;
        }
        .team-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--brand-shadow-hover);
            border-color: #CDDEEB;
        }
        .team-card-img {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #E8F0F5;
        }
        .team-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .team-card:hover .team-card-img img {
            transform: scale(1.04);
        }
        .team-card-img::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(to top, rgba(26, 43, 61, 0.55) 0%, transparent 48%);
            pointer-events: none;
            z-index: 1;
        }
        .team-card-img .team-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            padding: 4px 12px;
            border-radius: 16px;
            font-size: 0.78rem;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.92);
            color: var(--brand-primary);
            backdrop-filter: blur(4px);
            letter-spacing: 0.02em;
        }
        .team-card-img .team-record {
            position: absolute;
            bottom: 10px;
            left: 12px;
            right: 12px;
            z-index: 2;
            color: #fff;
            font-size: 0.82rem;
            font-weight: 600;
            text-shadow: 0 1px 4px rgba(0, 0, 0, 0.35);
            letter-spacing: 0.02em;
        }
        .team-card-body {
            padding: 16px 18px 18px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }
        .team-card-name {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--brand-text);
            line-height: 1.35;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .team-card-name .rank-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 26px;
            height: 26px;
            border-radius: 7px;
            background: var(--brand-primary-light);
            color: var(--brand-primary);
            font-size: 0.78rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .team-card-desc {
            color: var(--brand-text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            margin: 0;
        }
        .team-card-players {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .player-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 3px 10px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 500;
            background: #F0F5F9;
            color: var(--brand-text-secondary);
            border: 1px solid #E2EAF1;
        }
        .player-tag i {
            font-size: 0.7rem;
            color: var(--brand-accent-teal);
        }
        .team-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: 2px;
        }
        .team-style-tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 0.76rem;
            font-weight: 600;
            background: #FFF9EF;
            color: #B47A1A;
            border: 1px solid #F5DFB0;
        }
        .team-style-tag.teal {
            background: #E8F7F5;
            color: #0E7A6E;
            border-color: #BFE8E3;
        }
        .team-style-tag.blue {
            background: #EBF3FA;
            color: #1F6FB2;
            border-color: #C5DCEE;
        }
        .team-style-tag.slate {
            background: #F0F3F6;
            color: #4A5B6E;
            border-color: #D5DCE5;
        }
        /* Featured Article Links */
        .featured-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--brand-gap-sm);
        }
        .featured-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            background: #fff;
            border-radius: var(--brand-radius-md);
            border: 1px solid var(--brand-border);
            transition: var(--brand-transition);
            text-decoration: none;
            color: var(--brand-text);
            min-height: 64px;
        }
        .featured-link:hover {
            border-color: var(--brand-primary);
            background: var(--brand-primary-light);
            transform: translateX(4px);
            box-shadow: var(--brand-shadow);
            color: var(--brand-text);
        }
        .featured-link i {
            color: var(--brand-primary);
            font-size: 1.1rem;
            flex-shrink: 0;
            width: 20px;
            text-align: center;
        }
        .featured-link span {
            font-size: 0.94rem;
            font-weight: 550;
            line-height: 1.5;
            flex: 1;
        }
        .featured-link .arrow {
            color: #A5B4C5;
            font-size: 0.85rem;
            transition: var(--brand-transition);
        }
        .featured-link:hover .arrow {
            color: var(--brand-primary);
            transform: translateX(2px);
        }
        /* Data Snapshot */
        .stats-snapshot {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--brand-gap-sm);
        }
        .snapshot-card {
            background: #fff;
            border-radius: var(--brand-radius-md);
            border: 1px solid var(--brand-border);
            padding: 18px 16px;
            text-align: center;
            transition: var(--brand-transition);
            box-shadow: var(--brand-shadow);
        }
        .snapshot-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--brand-shadow-hover);
        }
        .snapshot-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--brand-primary);
            line-height: 1.2;
            letter-spacing: -0.01em;
        }
        .snapshot-number .unit {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--brand-text-secondary);
            margin-left: 2px;
        }
        .snapshot-label {
            font-size: 0.85rem;
            color: var(--brand-text-secondary);
            margin-top: 4px;
            font-weight: 500;
        }
        .snapshot-divider {
            width: 32px;
            height: 3px;
            border-radius: 2px;
            background: var(--brand-accent-teal);
            margin: 8px auto 0;
        }
        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #EAF3FA 0%, #F5F9FC 60%, #FDFDFE 100%);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-lg);
            padding: 40px 36px;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(23, 163, 152, 0.08);
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -90px;
            left: -30px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(242, 169, 59, 0.07);
            pointer-events: none;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 1;
        }
        .cta-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--brand-text);
            margin-bottom: 8px;
        }
        .cta-desc {
            color: var(--brand-text-secondary);
            font-size: 0.96rem;
            max-width: 520px;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .cta-form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: flex-end;
        }
        .cta-form .form-control,
        .cta-form .form-select {
            border-radius: var(--brand-radius-sm);
            border: 1.5px solid var(--brand-border);
            padding: 10px 14px;
            font-size: 0.9rem;
            color: var(--brand-text);
            background: #fff;
            min-height: 44px;
            transition: var(--brand-transition);
        }
        .cta-form .form-control:focus,
        .cta-form .form-select:focus {
            border-color: var(--brand-primary);
            box-shadow: 0 0 0 3px rgba(31, 111, 178, 0.12);
            outline: none;
        }
        .cta-form .form-control::placeholder {
            color: #A5B4C5;
        }
        /* Buttons */
        .btn-brand-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: var(--brand-radius-sm);
            font-size: 0.92rem;
            font-weight: 600;
            background: var(--brand-primary);
            color: #fff;
            border: 1.5px solid var(--brand-primary);
            transition: var(--brand-transition);
            cursor: pointer;
            white-space: nowrap;
            min-height: 44px;
        }
        .btn-brand-primary:hover {
            background: var(--brand-primary-hover);
            border-color: var(--brand-primary-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(31, 111, 178, 0.25);
        }
        .btn-brand-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(31, 111, 178, 0.18);
        }
        .btn-brand-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: var(--brand-radius-sm);
            font-size: 0.9rem;
            font-weight: 600;
            background: #fff;
            color: var(--brand-primary);
            border: 1.5px solid var(--brand-primary);
            transition: var(--brand-transition);
            cursor: pointer;
            white-space: nowrap;
            min-height: 44px;
        }
        .btn-brand-outline:hover {
            background: var(--brand-primary-light);
            border-color: var(--brand-primary);
            color: var(--brand-primary-hover);
            transform: translateY(-2px);
        }
        /* FAQ */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }
        .accordion-item {
            background: #fff;
            border: 1px solid var(--brand-border) !important;
            border-radius: var(--brand-radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--brand-transition);
            box-shadow: 0 2px 10px rgba(26, 43, 61, 0.04);
        }
        .accordion-item:hover {
            border-color: #CDDEEB !important;
        }
        .accordion-button {
            background: #fff;
            color: var(--brand-text);
            font-weight: 600;
            font-size: 0.94rem;
            padding: 16px 20px;
            border: none !important;
            box-shadow: none !important;
            border-radius: var(--brand-radius-md) !important;
        }
        .accordion-button:not(.collapsed) {
            background: var(--brand-primary-light);
            color: var(--brand-primary);
            border-radius: var(--brand-radius-md) var(--brand-radius-md) 0 0 !important;
        }
        .accordion-button:focus {
            outline: 2.5px solid var(--brand-accent-teal);
            outline-offset: -2px;
        }
        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%231A2B3D'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
            transition: transform 0.3s ease;
        }
        .accordion-button:not(.collapsed)::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%231F6FB2'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
        }
        .accordion-body {
            padding: 16px 20px;
            color: var(--brand-text-secondary);
            font-size: 0.9rem;
            line-height: 1.75;
            background: #FBFDFE;
        }
        /* Footer */
        .site-footer {
            background: #16324F;
            color: #D6E1EC;
            padding: 52px 0 20px;
            margin-top: 48px;
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.3rem;
            color: #fff;
            margin-bottom: 14px;
        }
        .site-footer .footer-brand .brand-logo-dot {
            background: var(--brand-accent-teal);
        }
        .footer-desc {
            color: #B8C9D8;
            font-size: 0.9rem;
            line-height: 1.8;
            max-width: 380px;
            margin-bottom: 0;
        }
        .footer-title {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            color: #B8C9D8;
            font-size: 0.88rem;
            transition: var(--brand-transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-links a:hover {
            color: #fff;
            transform: translateX(2px);
        }
        .footer-links a i {
            font-size: 0.65rem;
            color: var(--brand-accent-teal);
        }
        .footer-bottom {
            margin-top: 36px;
            padding-top: 18px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: #A5B8C8;
        }
        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-bottom-links a {
            color: #A5B8C8;
            font-size: 0.82rem;
            transition: var(--brand-transition);
        }
        .footer-bottom-links a:hover {
            color: #fff;
        }
        .footer-bottom-links span {
            color: rgba(255, 255, 255, 0.25);
        }
        /* Responsive */
        @media (max-width: 991.98px) {
            .navbar-nav {
                padding: 12px 0;
            }
            .navbar-nav .nav-link {
                padding: 10px 14px;
            }
            .nav-phase-chips {
                margin-left: 0;
                padding: 10px 0 14px;
                flex-wrap: nowrap;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: thin;
                scrollbar-color: var(--brand-border) transparent;
            }
            .nav-phase-chips::-webkit-scrollbar {
                height: 4px;
            }
            .nav-phase-chips::-webkit-scrollbar-thumb {
                background: var(--brand-border);
                border-radius: 4px;
            }
            .site-header .navbar {
                padding: 12px 0;
            }
        }
        @media (max-width: 991.98px) {
            .team-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-snapshot {
                grid-template-columns: repeat(2, 1fr);
            }
            .featured-list {
                grid-template-columns: 1fr;
            }
            .cta-section {
                padding: 28px 22px;
            }
            .cta-form {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-form .form-control,
            .cta-form .form-select {
                width: 100%;
            }
            .cta-form .btn-brand-primary {
                width: 100%;
                justify-content: center;
            }
            .page-header h1 {
                font-size: 2rem;
            }
            .section {
                padding: 36px 0;
            }
        }
        @media (max-width: 575.98px) {
            .team-grid {
                grid-template-columns: 1fr;
            }
            .stats-snapshot {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .snapshot-card {
                padding: 14px 10px;
            }
            .snapshot-number {
                font-size: 1.5rem;
            }
            .category-chips {
                gap: 6px;
            }
            .category-chip {
                padding: 6px 12px;
                font-size: 0.78rem;
                gap: 5px;
            }
            .page-header h1 {
                font-size: 1.6rem;
            }
            .section-heading {
                font-size: 1.3rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                justify-content: flex-start;
            }
        }
        @media (max-width: 767.98px) {
            .page-header {
                padding: 20px 0 10px;
            }
            .breadcrumb-wrapper {
                padding: 18px 0 0;
            }
        }

/* roulang page: category3 */
:root {
            --brand-bg: #F5F9FC;
            --brand-card: #FFFFFF;
            --brand-primary: #1F6FB2;
            --brand-primary-hover: #185A90;
            --brand-primary-light: #E8F2FA;
            --brand-text: #1A2B3D;
            --brand-text-secondary: #5A6B7E;
            --brand-accent-teal: #17A398;
            --brand-accent-orange: #F2A93B;
            --brand-border: #E2EAF1;
            --brand-radius-lg: 18px;
            --brand-radius-md: 14px;
            --brand-radius-sm: 10px;
            --brand-shadow: 0 4px 20px rgba(26, 43, 61, 0.07);
            --brand-shadow-hover: 0 10px 32px rgba(26, 43, 61, 0.13);
            --brand-transition: all 0.28s ease;
            --brand-font: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
            --brand-max-width: 1200px;
            --brand-gap-section: 72px;
            --brand-gap-sm: 16px;
            --brand-gap-md: 24px;
            --brand-gap-lg: 32px;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--brand-font);
            color: var(--brand-text);
            background-color: var(--brand-bg);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--brand-primary);
            text-decoration: none;
            transition: var(--brand-transition);
        }
        a:hover {
            color: var(--brand-primary-hover);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2.5px solid var(--brand-accent-teal);
            outline-offset: 2px;
            border-radius: 6px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: var(--brand-max-width);
            padding-left: 20px;
            padding-right: 20px;
        }
        /* Header & Nav */
        .site-header {
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--brand-border);
            position: sticky;
            top: 0;
            z-index: 1080;
            padding: 0;
            min-height: 68px;
            display: flex;
            align-items: center;
        }
        .site-header .navbar {
            padding: 0;
            background: transparent;
            min-height: 68px;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.45rem;
            color: var(--brand-text);
            letter-spacing: 0.02em;
            padding: 0;
            margin-right: 32px;
            white-space: nowrap;
        }
        .navbar-brand:hover {
            color: var(--brand-primary);
        }
        .brand-logo-dot {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: var(--brand-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .navbar-nav {
            gap: 4px;
        }
        .navbar-nav .nav-link {
            color: var(--brand-text-secondary);
            font-weight: 500;
            font-size: 0.96rem;
            padding: 10px 16px;
            border-radius: var(--brand-radius-sm);
            transition: var(--brand-transition);
            white-space: nowrap;
            position: relative;
        }
        .navbar-nav .nav-link:hover {
            color: var(--brand-primary);
            background: var(--brand-primary-light);
        }
        .navbar-nav .nav-link.active {
            color: var(--brand-primary);
            background: var(--brand-primary-light);
            font-weight: 650;
        }
        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--brand-primary);
        }
        .nav-phase-chips {
            display: flex;
            gap: 8px;
            align-items: center;
            margin-left: 20px;
            flex-shrink: 0;
        }
        .phase-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            transition: var(--brand-transition);
            border: 1.5px solid transparent;
            white-space: nowrap;
            cursor: pointer;
        }
        .phase-chip .phase-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            flex-shrink: 0;
        }
        .phase-chip-warmup {
            background: #FFF5E5;
            color: #C07A1B;
            border-color: #F5D9AB;
        }
        .phase-chip-warmup .phase-dot {
            background: var(--brand-accent-orange);
        }
        .phase-chip-warmup:hover {
            background: #FFE9C9;
            border-color: var(--brand-accent-orange);
            color: #9A5F0F;
        }
        .phase-chip-ongoing {
            background: #E6F7F5;
            color: #0E7A6E;
            border-color: #B5E3DE;
        }
        .phase-chip-ongoing .phase-dot {
            background: var(--brand-accent-teal);
        }
        .phase-chip-ongoing:hover {
            background: #C9EDE8;
            border-color: var(--brand-accent-teal);
            color: #0B5D55;
        }
        .phase-chip-replay {
            background: #EDF1F5;
            color: #4A5A6A;
            border-color: #D4DCE6;
        }
        .phase-chip-replay .phase-dot {
            background: #7A8B9E;
        }
        .phase-chip-replay:hover {
            background: #DDE5EE;
            border-color: #7A8B9E;
            color: #2E3D4D;
        }
        .navbar-toggler {
            border: none;
            padding: 6px 10px;
            font-size: 1.1rem;
            color: var(--brand-text);
            background: var(--brand-primary-light);
            border-radius: var(--brand-radius-sm);
            transition: var(--brand-transition);
        }
        .navbar-toggler:hover {
            background: #D6E5F2;
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2.5px solid var(--brand-accent-teal);
            outline-offset: 2px;
        }
        .navbar-toggler-icon {
            background-image: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            position: relative;
        }
        .navbar-toggler-icon::before {
            content: '\f0c9';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 1.2rem;
            color: var(--brand-primary);
        }
        /* Breadcrumb */
        .breadcrumb-bar {
            background: transparent;
            padding: 22px 0 0;
            margin-bottom: 0;
        }
        .breadcrumb {
            margin-bottom: 0;
            padding: 0;
            background: transparent;
            font-size: 0.85rem;
            color: var(--brand-text-secondary);
            display: flex;
            flex-wrap: wrap;
            gap: 4px;
            align-items: center;
        }
        .breadcrumb a {
            color: var(--brand-primary);
            font-weight: 500;
        }
        .breadcrumb a:hover {
            color: var(--brand-primary-hover);
            text-decoration: underline;
        }
        .breadcrumb .separator {
            color: #B6C4D2;
            font-size: 0.7rem;
            margin: 0 2px;
        }
        .breadcrumb .current {
            color: var(--brand-text-secondary);
            font-weight: 500;
        }
        /* Section base */
        section {
            padding: var(--brand-gap-section) 0;
        }
        .section-light {
            background: var(--brand-bg);
        }
        .section-white {
            background: #fff;
        }
        .section-title {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--brand-text);
            letter-spacing: 0.015em;
            margin-bottom: 10px;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--brand-text-secondary);
            max-width: 780px;
            line-height: 1.8;
        }
        /* Category intro */
        .page-intro {
            padding: 42px 0 20px;
        }
        .page-intro h1 {
            font-size: 2.15rem;
            font-weight: 800;
            color: var(--brand-text);
            letter-spacing: 0.02em;
            margin-bottom: 14px;
        }
        .page-intro .intro-text {
            font-size: 1rem;
            color: var(--brand-text-secondary);
            max-width: 860px;
            line-height: 1.85;
            margin-bottom: 0;
        }
        /* Category entry chips */
        .category-chips {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            padding: 24px 0 8px;
        }
        .category-chip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 18px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--brand-text-secondary);
            background: #fff;
            border: 1.5px solid var(--brand-border);
            transition: var(--brand-transition);
            cursor: pointer;
            white-space: nowrap;
        }
        .category-chip i {
            font-size: 0.85rem;
            color: var(--brand-primary);
        }
        .category-chip:hover {
            color: var(--brand-primary);
            border-color: var(--brand-primary);
            background: var(--brand-primary-light);
            transform: translateY(-2px);
            box-shadow: var(--brand-shadow);
        }
        .category-chip.active {
            color: #fff;
            background: var(--brand-primary);
            border-color: var(--brand-primary);
        }
        .category-chip.active i {
            color: #fff;
        }
        /* Stats list section */
        .stats-section {
            padding-bottom: 52px;
        }
        .stats-panel {
            background: #fff;
            border-radius: var(--brand-radius-lg);
            box-shadow: var(--brand-shadow);
            overflow: hidden;
            border: 1px solid var(--brand-border);
            margin-bottom: var(--brand-gap-md);
        }
        .stats-panel-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            border-bottom: 1px solid var(--brand-border);
            background: #FBFDFF;
            flex-wrap: wrap;
            gap: 12px;
        }
        .stats-panel-header h2 {
            font-size: 1.15rem;
            font-weight: 700;
            margin: 0;
            color: var(--brand-text);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .stats-panel-header h2 i {
            color: var(--brand-accent-teal);
            font-size: 1rem;
        }
        .stats-filter-tabs {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .filter-tab {
            padding: 5px 14px;
            border-radius: 16px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--brand-text-secondary);
            background: transparent;
            border: 1.5px solid var(--brand-border);
            cursor: pointer;
            transition: var(--brand-transition);
            white-space: nowrap;
        }
        .filter-tab:hover {
            border-color: var(--brand-primary);
            color: var(--brand-primary);
            background: var(--brand-primary-light);
        }
        .filter-tab.active {
            color: #fff;
            background: var(--brand-primary);
            border-color: var(--brand-primary);
        }
        .stats-list {
            padding: 8px 0;
        }
        .stats-item {
            display: flex;
            align-items: center;
            padding: 14px 24px;
            border-bottom: 1px solid #F0F4F8;
            gap: 16px;
            transition: var(--brand-transition);
            flex-wrap: wrap;
        }
        .stats-item:last-child {
            border-bottom: none;
        }
        .stats-item:hover {
            background: #F8FBFE;
        }
        .stats-rank {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1rem;
            flex-shrink: 0;
            background: #F0F4F8;
            color: var(--brand-text-secondary);
        }
        .stats-rank.top1 {
            background: #FFF5E0;
            color: #B7791F;
        }
        .stats-rank.top2 {
            background: #ECF1F5;
            color: #5A6B7E;
        }
        .stats-rank.top3 {
            background: #F7ECE4;
            color: #B05E27;
        }
        .stats-team-info {
            flex: 1;
            min-width: 140px;
        }
        .stats-team-name {
            font-weight: 700;
            font-size: 1rem;
            color: var(--brand-text);
            margin-bottom: 2px;
        }
        .stats-team-meta {
            font-size: 0.8rem;
            color: var(--brand-text-secondary);
        }
        .stats-metrics {
            display: flex;
            gap: 28px;
            align-items: center;
            flex-wrap: wrap;
        }
        .stat-metric {
            text-align: center;
            min-width: 70px;
        }
        .stat-metric .metric-label {
            font-size: 0.72rem;
            color: var(--brand-text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 2px;
        }
        .stat-metric .metric-value {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--brand-text);
        }
        .stat-metric .metric-value.highlight {
            color: var(--brand-primary);
        }
        .stat-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 4px 10px;
            border-radius: 12px;
            white-space: nowrap;
        }
        .stat-trend.up {
            color: #0E7A6E;
            background: #E6F7F5;
        }
        .stat-trend.down {
            color: #C0392B;
            background: #FDECEA;
        }
        .stat-trend.flat {
            color: #5A6B7E;
            background: #EDF1F5;
        }
        /* Player rank mini list */
        .player-rank-list {
            padding: 8px 24px 16px;
        }
        .player-rank-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 10px 0;
            border-bottom: 1px dashed #E8EEF4;
            flex-wrap: wrap;
        }
        .player-rank-item:last-child {
            border-bottom: none;
        }
        .player-rank-num {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            background: var(--brand-primary-light);
            color: var(--brand-primary);
            flex-shrink: 0;
        }
        .player-name {
            font-weight: 650;
            color: var(--brand-text);
            min-width: 90px;
        }
        .player-team-tag {
            font-size: 0.78rem;
            color: var(--brand-text-secondary);
            background: #F0F4F8;
            padding: 2px 10px;
            border-radius: 10px;
            white-space: nowrap;
        }
        .player-stat {
            margin-left: auto;
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .player-stat .p-metric {
            font-size: 0.85rem;
            color: var(--brand-text-secondary);
        }
        .player-stat .p-metric strong {
            color: var(--brand-text);
            font-weight: 700;
        }
        /* Snapshot cards */
        .snapshot-card {
            background: #fff;
            border-radius: var(--brand-radius-md);
            box-shadow: var(--brand-shadow);
            padding: 24px 22px;
            text-align: center;
            height: 100%;
            border: 1px solid var(--brand-border);
            transition: var(--brand-transition);
        }
        .snapshot-card:hover {
            box-shadow: var(--brand-shadow-hover);
            transform: translateY(-4px);
        }
        .snapshot-icon {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background: var(--brand-primary-light);
            color: var(--brand-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            margin: 0 auto 12px;
        }
        .snapshot-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--brand-text);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .snapshot-label {
            font-size: 0.85rem;
            color: var(--brand-text-secondary);
            font-weight: 500;
        }
        /* Featured insights */
        .insight-card {
            background: #fff;
            border-radius: var(--brand-radius-md);
            overflow: hidden;
            box-shadow: var(--brand-shadow);
            border: 1px solid var(--brand-border);
            height: 100%;
            transition: var(--brand-transition);
            display: flex;
            flex-direction: column;
        }
        .insight-card:hover {
            box-shadow: var(--brand-shadow-hover);
            transform: translateY(-4px);
        }
        .insight-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }
        .insight-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .insight-date {
            font-size: 0.75rem;
            color: var(--brand-text-secondary);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .insight-date i {
            color: var(--brand-accent-teal);
        }
        .insight-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--brand-text);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .insight-card p {
            font-size: 0.86rem;
            color: var(--brand-text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }
        .insight-link {
            font-size: 0.85rem;
            font-weight: 650;
            color: var(--brand-primary);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: var(--brand-transition);
        }
        .insight-link:hover {
            color: var(--brand-primary-hover);
            gap: 8px;
        }
        /* FAQ section */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--brand-radius-md);
            border: 1px solid var(--brand-border);
            padding: 22px 26px;
            margin-bottom: 16px;
            transition: var(--brand-transition);
        }
        .faq-item:hover {
            border-color: #C4D8E8;
            box-shadow: var(--brand-shadow);
        }
        .faq-question {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--brand-text);
            margin-bottom: 8px;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }
        .faq-question .faq-q-icon {
            color: var(--brand-primary);
            flex-shrink: 0;
            margin-top: 3px;
            font-size: 0.9rem;
        }
        .faq-answer {
            color: var(--brand-text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
            padding-left: 26px;
            margin-bottom: 0;
        }
        /* CTA section */
        .cta-section {
            background: #fff;
        }
        .cta-card {
            background: #fff;
            border-radius: var(--brand-radius-lg);
            box-shadow: var(--brand-shadow);
            border: 1px solid var(--brand-border);
            padding: 40px 42px;
            position: relative;
            overflow: hidden;
        }
        .cta-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 5px;
            background: linear-gradient(90deg, var(--brand-primary), var(--brand-accent-teal), var(--brand-accent-orange));
        }
        .cta-title {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--brand-text);
            margin-bottom: 8px;
        }
        .cta-desc {
            color: var(--brand-text-secondary);
            font-size: 0.95rem;
            margin-bottom: 24px;
            max-width: 580px;
        }
        .cta-form .form-label {
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--brand-text);
            margin-bottom: 6px;
        }
        .cta-form .form-control,
        .cta-form .form-select {
            border: 1.5px solid var(--brand-border);
            border-radius: var(--brand-radius-sm);
            padding: 10px 14px;
            font-size: 0.95rem;
            color: var(--brand-text);
            background: #FBFDFF;
            transition: var(--brand-transition);
        }
        .cta-form .form-control:focus,
        .cta-form .form-select:focus {
            border-color: var(--brand-primary);
            box-shadow: 0 0 0 3px rgba(31, 111, 178, 0.12);
            outline: none;
        }
        .btn-brand-primary {
            background: var(--brand-primary);
            color: #fff;
            border: none;
            padding: 11px 28px;
            border-radius: var(--brand-radius-sm);
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: var(--brand-transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .btn-brand-primary:hover {
            background: var(--brand-primary-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(31, 111, 178, 0.3);
        }
        .btn-brand-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-brand-primary:focus-visible {
            outline: 2.5px solid var(--brand-accent-teal);
            outline-offset: 2px;
        }
        .btn-brand-outline {
            background: transparent;
            color: var(--brand-primary);
            border: 1.5px solid var(--brand-primary);
            padding: 10px 24px;
            border-radius: var(--brand-radius-sm);
            font-weight: 650;
            font-size: 0.9rem;
            transition: var(--brand-transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-brand-outline:hover {
            background: var(--brand-primary-light);
            border-color: var(--brand-primary);
            color: var(--brand-primary);
            transform: translateY(-2px);
        }
        /* Footer */
        .site-footer {
            background: #16324F;
            color: #C9D6E3;
            padding: 56px 0 24px;
            margin-top: 0;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.3rem;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand .brand-logo-dot {
            background: var(--brand-primary);
        }
        .footer-desc {
            color: #AABACB;
            font-size: 0.9rem;
            line-height: 1.8;
            max-width: 320px;
            margin-bottom: 0;
        }
        .footer-title {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 9px;
        }
        .footer-links a {
            color: #AABACB;
            font-size: 0.88rem;
            transition: var(--brand-transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 40px;
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            color: #8FA2B5;
            font-size: 0.82rem;
        }
        .footer-bottom-links {
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .footer-bottom-links a {
            color: #C9D6E3;
            font-size: 0.82rem;
        }
        .footer-bottom-links a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .footer-bottom-links span {
            color: #5A6B7E;
        }
        /* Responsive */
        @media (max-width: 991.98px) {
            .nav-phase-chips {
                margin-left: 0;
                margin-top: 12px;
                padding: 8px 12px;
                border-radius: var(--brand-radius-sm);
                background: #F8FBFE;
                width: fit-content;
            }
            .navbar-collapse {
                padding-bottom: 16px;
            }
            .navbar-nav {
                gap: 2px;
                padding-top: 12px;
            }
            .navbar-nav .nav-link {
                padding: 12px 14px;
                font-size: 0.95rem;
            }
            .navbar-nav .nav-link.active::after {
                bottom: 8px;
            }
        }
        @media (max-width: 767.98px) {
            :root {
                --brand-gap-section: 48px;
            }
            section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.55rem;
            }
            .page-intro h1 {
                font-size: 1.7rem;
            }
            .page-intro {
                padding: 28px 0 12px;
            }
            .stats-panel-header {
                padding: 14px 18px;
                flex-direction: column;
                align-items: flex-start;
            }
            .stats-item {
                padding: 14px 18px;
                gap: 12px;
                flex-wrap: wrap;
            }
            .stats-rank {
                width: 36px;
                height: 36px;
                font-size: 0.88rem;
                border-radius: 10px;
            }
            .stats-metrics {
                gap: 16px;
                width: 100%;
                justify-content: space-between;
                padding-left: 48px;
            }
            .stat-metric {
                min-width: 60px;
            }
            .stat-metric .metric-value {
                font-size: 0.95rem;
            }
            .stat-trend {
                font-size: 0.78rem;
                padding: 3px 8px;
            }
            .player-rank-list {
                padding: 8px 18px 14px;
            }
            .player-rank-item {
                gap: 10px;
            }
            .player-stat {
                margin-left: 0;
                width: 100%;
                padding-left: 38px;
                gap: 14px;
            }
            .snapshot-number {
                font-size: 1.5rem;
            }
            .insight-card img {
                height: 140px;
            }
            .cta-card {
                padding: 28px 22px;
            }
            .faq-item {
                padding: 18px 18px;
            }
            .faq-answer {
                padding-left: 0;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .category-chips {
                gap: 8px;
            }
            .category-chip {
                padding: 8px 14px;
                font-size: 0.82rem;
            }
            .navbar-brand {
                font-size: 1.25rem;
                margin-right: 16px;
            }
        }
        @media (max-width: 519.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .page-intro h1 {
                font-size: 1.5rem;
            }
            .stats-metrics {
                padding-left: 0;
                gap: 12px;
            }
            .stat-metric {
                min-width: 52px;
            }
            .stat-metric .metric-label {
                font-size: 0.65rem;
            }
            .stat-metric .metric-value {
                font-size: 0.88rem;
            }
            .stats-team-info {
                min-width: 110px;
            }
            .stats-team-name {
                font-size: 0.92rem;
            }
            .player-stat {
                padding-left: 0;
                gap: 10px;
            }
            .snapshot-card {
                padding: 18px 14px;
            }
            .snapshot-number {
                font-size: 1.3rem;
            }
            .snapshot-label {
                font-size: 0.75rem;
            }
            .insight-card img {
                height: 120px;
            }
            .insight-body {
                padding: 14px 16px;
            }
            .insight-card p {
                font-size: 0.8rem;
            }
            .category-chips {
                flex-wrap: nowrap;
                overflow-x: auto;
                padding-bottom: 12px;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: thin;
            }
            .category-chip {
                flex-shrink: 0;
            }
        }

/* roulang page: category4 */
:root {
  --brand-bg: #F5F9FC;
  --brand-card: #FFFFFF;
  --brand-primary: #1F6FB2;
  --brand-primary-hover: #185A90;
  --brand-primary-light: #E8F2FA;
  --brand-text: #1A2B3D;
  --brand-text-secondary: #5A6B7E;
  --brand-accent-teal: #17A398;
  --brand-accent-orange: #F2A93B;
  --brand-border: #E2EAF1;
  --brand-radius-lg: 18px;
  --brand-radius-md: 14px;
  --brand-radius-sm: 10px;
  --brand-shadow: 0 4px 20px rgba(26, 43, 61, 0.07);
  --brand-shadow-hover: 0 10px 32px rgba(26, 43, 61, 0.13);
  --brand-transition: all 0.28s ease;
  --brand-font: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  --brand-max-width: 1200px;
  --brand-gap-section: 72px;
  --brand-gap-sm: 16px;
  --brand-gap-md: 24px;
  --brand-gap-lg: 32px;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--brand-font);
  color: var(--brand-text);
  background-color: var(--brand-bg);
  line-height: 1.75;
  font-size: 16px;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a {
  color: var(--brand-primary);
  text-decoration: none;
  transition: var(--brand-transition);
}
a:hover {
  color: var(--brand-primary-hover);
  text-decoration: none;
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2.5px solid var(--brand-accent-teal);
  outline-offset: 2px;
  border-radius: 6px;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
.container {
  max-width: var(--brand-max-width);
  padding-left: 20px;
  padding-right: 20px;
}
/* Header & Nav */
.site-header {
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--brand-border);
  position: sticky;
  top: 0;
  z-index: 1080;
  padding: 0;
  min-height: 68px;
  display: flex;
  align-items: center;
}
.site-header .navbar {
  padding: 0;
  background: transparent;
  min-height: 68px;
}
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.45rem;
  color: var(--brand-text);
  letter-spacing: 0.02em;
  padding: 0;
  margin-right: 32px;
  white-space: nowrap;
}
.navbar-brand:hover {
  color: var(--brand-primary);
}
.brand-logo-dot {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--brand-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.9rem;
  flex-shrink: 0;
}
.navbar-nav {
  gap: 4px;
}
.navbar-nav .nav-link {
  color: var(--brand-text-secondary);
  font-weight: 500;
  font-size: 0.96rem;
  padding: 10px 16px;
  border-radius: var(--brand-radius-sm);
  transition: var(--brand-transition);
  white-space: nowrap;
  position: relative;
}
.navbar-nav .nav-link:hover {
  color: var(--brand-primary);
  background: var(--brand-primary-light);
}
.navbar-nav .nav-link.active {
  color: var(--brand-primary);
  background: var(--brand-primary-light);
  font-weight: 650;
}
.navbar-nav .nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  border-radius: 2px;
  background: var(--brand-primary);
}
.nav-phase-chips {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-left: 20px;
  flex-shrink: 0;
}
.phase-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: var(--brand-transition);
  border: 1.5px solid transparent;
  white-space: nowrap;
  cursor: pointer;
}
.phase-chip .phase-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.phase-chip-warmup {
  background: #FFF5E5;
  color: #C07A1B;
  border-color: #F5D9AB;
}
.phase-chip-warmup .phase-dot {
  background: var(--brand-accent-orange);
}
.phase-chip-warmup:hover {
  background: #FFE9C9;
  border-color: var(--brand-accent-orange);
  color: #9A5F0F;
}
.phase-chip-ongoing {
  background: #E6F7F5;
  color: #0E7A6E;
  border-color: #B5E3DE;
}
.phase-chip-ongoing .phase-dot {
  background: var(--brand-accent-teal);
}
.phase-chip-ongoing:hover {
  background: #C9EDE8;
  border-color: var(--brand-accent-teal);
  color: #0B5E57;
}
.phase-chip-replay {
  background: #EAEFF5;
  color: #3D5A75;
  border-color: #CCD8E4;
}
.phase-chip-replay .phase-dot {
  background: var(--brand-primary);
}
.phase-chip-replay:hover {
  background: #DCE6F0;
  border-color: var(--brand-primary);
  color: #1F6FB2;
}
/* Sections */
.section {
  padding: var(--brand-gap-section) 0;
}
.section-alt {
  background: #FFFFFF;
}
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  font-weight: 700;
  color: var(--brand-primary);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.section-title {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--brand-text);
  margin-bottom: 14px;
}
.section-subtitle {
  font-size: 1.02rem;
  color: var(--brand-text-secondary);
  max-width: 700px;
  margin-bottom: 0;
}
/* Breadcrumb */
.brd-crumb {
  font-size: 0.88rem;
  color: var(--brand-text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.brd-crumb a {
  color: var(--brand-text-secondary);
}
.brd-crumb a:hover {
  color: var(--brand-primary);
}
.brd-crumb .sep {
  color: #B9C6D3;
  font-size: 0.72rem;
}
.brd-crumb .current {
  color: var(--brand-primary);
  font-weight: 600;
}
/* Page head */
.page-head {
  padding: 28px 0 8px;
  background: var(--brand-bg);
}
.page-head h1 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--brand-text);
  margin: 12px 0 4px;
}
/* Category intro */
.category-intro {
  padding: 24px 0 8px;
}
.category-intro p {
  font-size: 1.02rem;
  color: var(--brand-text-secondary);
  max-width: 860px;
  background: #FFFFFF;
  border-radius: var(--brand-radius-md);
  padding: 18px 22px;
  border: 1px solid var(--brand-border);
  box-shadow: var(--brand-shadow);
  margin-bottom: 0;
}
/* Category chips */
.category-chips {
  padding: 12px 0 8px;
}
.category-chips .chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.category-link-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 24px;
  background: #FFFFFF;
  border: 1.5px solid var(--brand-border);
  color: var(--brand-text-secondary);
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--brand-transition);
  white-space: nowrap;
}
.category-link-chip .chip-icon {
  font-size: 0.88rem;
  color: var(--brand-primary);
}
.category-link-chip:hover {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
  background: var(--brand-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--brand-shadow);
}
.category-link-chip.active-chip {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  color: #FFFFFF;
}
.category-link-chip.active-chip .chip-icon {
  color: #FFFFFF;
}
/* News list */
.news-list-section {
  padding: 28px 0 8px;
}
.news-item {
  background: #FFFFFF;
  border-radius: var(--brand-radius-lg);
  border: 1px solid var(--brand-border);
  box-shadow: var(--brand-shadow);
  overflow: hidden;
  margin-bottom: 20px;
  transition: var(--brand-transition);
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 0;
}
.news-item:hover {
  box-shadow: var(--brand-shadow-hover);
  border-color: #CBD9E6;
}
.news-cover {
  height: 100%;
  min-height: 180px;
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
}
.news-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.news-body {
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
}
.news-date {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--brand-text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
}
.news-date .fa-calendar-days {
  color: var(--brand-accent-teal);
  font-size: 0.78rem;
}
.news-title {
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--brand-text);
  margin-bottom: 8px;
  line-height: 1.55;
}
.news-summary {
  font-size: 0.92rem;
  color: var(--brand-text-secondary);
  line-height: 1.75;
  margin-bottom: 12px;
  flex: 1;
}
.news-more-btn {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--brand-primary-light);
  color: var(--brand-primary);
  border: 1.5px solid var(--brand-primary);
  padding: 7px 17px;
  border-radius: 8px;
  font-size: 0.86rem;
  font-weight: 650;
  transition: var(--brand-transition);
  cursor: pointer;
}
.news-more-btn:hover {
  background: var(--brand-primary);
  color: #FFFFFF;
  border-color: var(--brand-primary);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(31, 111, 178, 0.24);
}
.news-more-btn .fa-chevron-down {
  transition: transform 0.28s ease;
  font-size: 0.72rem;
}
.news-more-btn[aria-expanded="true"] .fa-chevron-down {
  transform: rotate(180deg);
}
.news-detail-collapse {
  padding-top: 8px;
}
.news-detail-inner {
  border-top: 1px dashed var(--brand-border);
  padding-top: 12px;
  font-size: 0.9rem;
  color: var(--brand-text-secondary);
  line-height: 1.8;
}
/* Insights */
.insights-section {
  padding: 36px 0 8px;
}
.insight-card {
  background: #FFFFFF;
  border-radius: var(--brand-radius-md);
  border: 1px solid var(--brand-border);
  box-shadow: var(--brand-shadow);
  padding: 16px 18px;
  transition: var(--brand-transition);
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.insight-card:hover {
  box-shadow: var(--brand-shadow-hover);
  transform: translateY(-3px);
  border-color: #CBD9E6;
}
.insight-card .insight-tag {
  display: inline-flex;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--brand-accent-teal);
  background: #EEF8F6;
  padding: 3px 10px;
  border-radius: 16px;
  align-self: flex-start;
}
.insight-card .insight-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--brand-text);
  line-height: 1.55;
}
.insight-card .insight-meta {
  font-size: 0.78rem;
  color: var(--brand-text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}
.insight-card a {
  font-size: 0.86rem;
  font-weight: 650;
  color: var(--brand-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--brand-transition);
}
.insight-card a:hover {
  color: var(--brand-primary-hover);
  gap: 9px;
}
/* Snapshot */
.snapshot-section {
  padding: 36px 0 8px;
}
.snapshot-card {
  background: #FFFFFF;
  border-radius: var(--brand-radius-md);
  border: 1px solid var(--brand-border);
  box-shadow: var(--brand-shadow);
  padding: 16px 18px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: var(--brand-transition);
}
.snapshot-card:hover {
  box-shadow: var(--brand-shadow-hover);
  transform: translateY(-3px);
}
.snapshot-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--brand-primary-light);
  color: var(--brand-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  flex-shrink: 0;
}
.snapshot-info .snap-num {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--brand-text);
  line-height: 1.2;
}
.snapshot-info .snap-label {
  font-size: 0.8rem;
  color: var(--brand-text-secondary);
}
/* CTA */
.cta-section {
  padding: 36px 0 8px;
}
.cta-card {
  background: #FFFFFF;
  border-radius: var(--brand-radius-lg);
  border: 1px solid var(--brand-border);
  box-shadow: var(--brand-shadow);
  padding: 28px 30px;
}
.cta-card .cta-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--brand-text);
  margin-bottom: 6px;
}
.cta-card .cta-desc {
  font-size: 0.92rem;
  color: var(--brand-text-secondary);
  margin-bottom: 18px;
}
.form-label {
  font-weight: 600;
  font-size: 0.86rem;
  color: var(--brand-text);
}
.form-control,
.form-select {
  border-radius: var(--brand-radius-sm);
  border: 1.5px solid var(--brand-border);
  background: #FBFDFE;
  color: var(--brand-text);
  padding: 10px 14px;
  font-size: 0.92rem;
  transition: var(--brand-transition);
}
.form-control:focus,
.form-select:focus {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(31, 111, 178, 0.12);
  background: #FFFFFF;
}
.btn-cta-submit {
  background: var(--brand-primary);
  color: #FFFFFF;
  border: none;
  border-radius: var(--brand-radius-sm);
  padding: 10px 22px;
  font-weight: 700;
  font-size: 0.92rem;
  transition: var(--brand-transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}
.btn-cta-submit:hover {
  background: var(--brand-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(31, 111, 178, 0.26);
  color: #FFFFFF;
}
/* Tags */
.tags-section {
  padding: 36px 0 8px;
}
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tag-cloud a {
  background: #FFFFFF;
  border: 1px solid var(--brand-border);
  color: var(--brand-text-secondary);
  border-radius: 20px;
  padding: 6px 16px;
  font-size: 0.84rem;
  font-weight: 500;
  transition: var(--brand-transition);
}
.tag-cloud a:hover {
  border-color: var(--brand-primary);
  background: var(--brand-primary-light);
  color: var(--brand-primary);
  transform: translateY(-2px);
}
/* Footer */
.site-footer {
  background: #16324F;
  color: #D9E4EE;
  padding: 56px 0 20px;
  margin-top: 56px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.3rem;
  color: #FFFFFF;
  margin-bottom: 12px;
}
.site-footer .brand-logo-dot {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  background: var(--brand-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.82rem;
  flex-shrink: 0;
}
.footer-desc {
  font-size: 0.9rem;
  color: #B7C6D5;
  line-height: 1.8;
  margin-bottom: 0;
}
.footer-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 14px;
  letter-spacing: 0.02em;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li {
  margin-bottom: 8px;
}
.footer-links a {
  color: #B7C6D5;
  font-size: 0.88rem;
  transition: var(--brand-transition);
}
.footer-links a:hover {
  color: #FFFFFF;
  padding-left: 4px;
}
.footer-bottom {
  margin-top: 40px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  color: #8FA6BA;
}
.footer-bottom-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-bottom-links a {
  color: #B7C6D5;
  transition: var(--brand-transition);
}
.footer-bottom-links a:hover {
  color: #FFFFFF;
}
/* Responsive */
@media (max-width: 1199.98px) {
  .news-item {
    grid-template-columns: 220px 1fr;
  }
}
@media (max-width: 991.98px) {
  .navbar-brand {
    margin-right: 12px;
    font-size: 1.25rem;
  }
  .nav-phase-chips {
    margin-left: 0;
    margin-top: 8px;
    padding-bottom: 10px;
  }
  .site-header .navbar {
    flex-wrap: wrap;
    padding: 8px 0;
  }
  .navbar-collapse {
    max-height: 70vh;
    overflow-y: auto;
    flex-basis: 100%;
  }
  .navbar-nav {
    gap: 0;
    padding: 8px 0;
  }
  .news-item {
    grid-template-columns: 1fr;
  }
  .news-cover {
    min-height: 200px;
  }
  .section {
    padding: 56px 0;
  }
  .page-head h1 {
    font-size: 1.7rem;
  }
  .section-title {
    font-size: 1.45rem;
  }
}
@media (max-width: 767.98px) {
  .site-header {
    min-height: auto;
  }
  .navbar-brand .brand-logo-dot {
    width: 24px;
    height: 24px;
    font-size: 0.8rem;
  }
  .nav-phase-chips {
    gap: 6px;
  }
  .phase-chip {
    padding: 4px 9px;
    font-size: 0.72rem;
  }
  .news-body {
    padding: 14px 16px;
  }
  .news-cover {
    min-height: 160px;
  }
  .news-title {
    font-size: 1.02rem;
  }
  .cta-card {
    padding: 20px 18px;
  }
  .tag-cloud a {
    font-size: 0.78rem;
    padding: 5px 12px;
  }
}
@media (max-width: 519.98px) {
  .page-head h1 {
    font-size: 1.5rem;
  }
  .section-title {
    font-size: 1.3rem;
  }
  .category-intro p {
    padding: 14px 16px;
    font-size: 0.92rem;
  }
  .snapshot-card {
    padding: 12px 14px;
    gap: 10px;
  }
  .snapshot-icon {
    width: 36px;
    height: 36px;
    font-size: 0.9rem;
  }
  .snapshot-info .snap-num {
    font-size: 1.2rem;
  }
  .insight-card {
    padding: 13px 14px;
  }
}

/* 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}