*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            background: #f4f7fb;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #0057b3;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: #ff6b35;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0f1b2d 0%, #1a2a4a 100%);
            padding: 16px 0;
            border-bottom: 4px solid #ff6b35;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: -0.5px;
            text-transform: uppercase;
            background: linear-gradient(90deg, #ff6b35, #f9c74f);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: transform 0.3s ease;
            display: inline-block;
        }
        .my-logo:hover {
            transform: scale(1.03);
            text-decoration: none;
        }
        .my-logo span {
            font-weight: 300;
            -webkit-text-fill-color: #ffffff;
            color: #ffffff;
            background: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.3s;
        }
        .nav-toggle:hover {
            background: rgba(255, 107, 53, 0.25);
        }
        .main-nav {
            display: flex;
            gap: 6px 18px;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #e0e7f0;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 6px;
            border-bottom: 2px solid transparent;
            transition: border-color 0.3s, color 0.3s;
        }
        .main-nav a:hover {
            color: #f9c74f;
            border-bottom-color: #ff6b35;
            text-decoration: none;
        }
        .main-nav a.active {
            color: #f9c74f;
            border-bottom-color: #ff6b35;
        }
        .breadcrumb {
            background: #e9edf4;
            padding: 10px 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #d0d8e4;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            padding: 0;
            margin: 0;
        }
        .breadcrumb ol li+li::before {
            content: "›";
            margin-right: 12px;
            color: #888;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #0057b3;
        }
        .breadcrumb .current {
            color: #555;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(145deg, #0b1a2e, #1d3557);
            color: #fff;
            padding: 48px 0 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero::after {
            content: "🏈";
            position: absolute;
            right: -20px;
            bottom: -30px;
            font-size: 16rem;
            opacity: 0.06;
            transform: rotate(-20deg);
            pointer-events: none;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            background: linear-gradient(90deg, #f9c74f, #ff6b35);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 780px;
            margin: 0 auto 20px;
            color: #cbd5e1;
        }
        .hero .meta-info {
            font-size: 0.95rem;
            color: #94a3b8;
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 20px;
        }
        .hero .meta-info i {
            color: #f9c74f;
        }
        .content-wrap {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            padding: 40px 0 60px;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            min-width: 0;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 24px 20px;
            margin-bottom: 28px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            border: 1px solid #e9edf4;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-bottom: 16px;
            border-left: 4px solid #ff6b35;
            padding-left: 12px;
            color: #0f1b2d;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card ul li {
            padding: 8px 0;
            border-bottom: 1px solid #f0f2f5;
        }
        .sidebar-card ul li:last-child {
            border-bottom: none;
        }
        .sidebar-card ul li a {
            font-weight: 500;
            display: block;
        }
        .sidebar-card ul li a:hover {
            padding-left: 4px;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-top: 48px;
            margin-bottom: 18px;
            color: #0f1b2d;
            border-bottom: 3px solid #ff6b35;
            padding-bottom: 8px;
            display: inline-block;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin-top: 32px;
            margin-bottom: 12px;
            color: #1d3557;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-top: 24px;
            margin-bottom: 10px;
            color: #2d4a6a;
        }
        p {
            margin-bottom: 18px;
            color: #2d3748;
        }
        .content-card {
            background: #fff;
            border-radius: 20px;
            padding: 32px 36px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.05);
            border: 1px solid #eef2f7;
            margin-bottom: 28px;
        }
        .content-card .featured-image {
            margin: 20px 0 28px;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
        }
        .highlight-box {
            background: #f0f7ff;
            border-left: 5px solid #ff6b35;
            padding: 20px 24px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
        }
        .highlight-box strong {
            color: #0f1b2d;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 16px;
            margin: 24px 0;
        }
        .stat-item {
            background: #f8fafc;
            padding: 18px 14px;
            border-radius: 12px;
            text-align: center;
            border: 1px solid #e2e8f0;
        }
        .stat-item .num {
            font-size: 2rem;
            font-weight: 800;
            color: #ff6b35;
            display: block;
        }
        .stat-item .label {
            font-size: 0.85rem;
            color: #4a5568;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .interview-block {
            background: #faf5eb;
            border-radius: 16px;
            padding: 24px 28px;
            margin: 24px 0;
            border: 1px solid #f0e4d0;
        }
        .interview-block .author {
            font-weight: 700;
            color: #0f1b2d;
        }
        .interview-block .quote {
            font-style: italic;
            font-size: 1.05rem;
            color: #3d4a5c;
            padding-left: 20px;
            border-left: 3px solid #ff6b35;
            margin: 12px 0;
        }
        .tip-list {
            padding-left: 24px;
            margin: 16px 0;
        }
        .tip-list li {
            margin-bottom: 10px;
            padding-left: 8px;
        }
        .interaction-area {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 40px 0 20px;
        }
        .interaction-card {
            background: #fff;
            border-radius: 16px;
            padding: 24px 28px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
            border: 1px solid #e9edf4;
        }
        .interaction-card h3 {
            margin-top: 0;
            font-size: 1.2rem;
            border-left: 4px solid #ff6b35;
            padding-left: 12px;
        }
        .interaction-card form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .interaction-card input,
        .interaction-card textarea,
        .interaction-card select {
            padding: 12px 16px;
            border: 2px solid #dde3ed;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            transition: border-color 0.3s;
            background: #fafcff;
        }
        .interaction-card input:focus,
        .interaction-card textarea:focus,
        .interaction-card select:focus {
            border-color: #ff6b35;
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
        }
        .interaction-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .interaction-card .btn {
            background: #ff6b35;
            color: #fff;
            border: none;
            padding: 12px 20px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s, transform 0.15s;
        }
        .interaction-card .btn:hover {
            background: #e55a2b;
            transform: translateY(-2px);
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: #d1d9e6;
            cursor: pointer;
            direction: rtl;
            justify-content: flex-end;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            cursor: pointer;
            transition: color 0.2s;
        }
        .rating-stars label:hover,
        .rating-stars label:hover~label,
        .rating-stars input:checked~label {
            color: #f9c74f;
        }
        .site-footer {
            background: #0f1b2d;
            color: #cbd5e1;
            padding: 40px 0 20px;
            border-top: 4px solid #ff6b35;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 28px;
        }
        .footer-grid h4 {
            color: #f9c74f;
            font-size: 1.1rem;
            margin-bottom: 16px;
            margin-top: 0;
        }
        .footer-grid p {
            color: #a0b3c9;
            font-size: 0.95rem;
        }
        .footer-grid ul {
            list-style: none;
            padding: 0;
        }
        .footer-grid ul li {
            margin-bottom: 8px;
        }
        .footer-grid ul li a {
            color: #a0b3c9;
            font-size: 0.9rem;
        }
        .footer-grid ul li a:hover {
            color: #f9c74f;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 12px;
            padding: 20px 24px;
            margin: 16px 0 24px;
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        friend-link a {
            color: #f9c74f;
            font-weight: 500;
            margin: 0 12px 8px 0;
            display: inline-block;
        }
        friend-link a:hover {
            color: #ff6b35;
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: #6f8aa8;
        }
        .copyright strong {
            color: #cbd5e1;
        }
        @media (max-width: 1024px) {
            .content-wrap {
                grid-template-columns: 1fr;
            }
            .sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: 12px 0 4px;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                margin-top: 8px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 8px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }
            .hero h1 {
                font-size: 1.9rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .content-card {
                padding: 20px 18px;
            }
            .interaction-area {
                grid-template-columns: 1fr;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
            .breadcrumb ol {
                font-size: 0.8rem;
                gap: 4px 8px;
            }
        }
        .text-small {
            font-size: 0.9rem;
            color: #4a5568;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-0 {
            margin-top: 0;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .last-updated {
            display: inline-block;
            background: #e9edf4;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            color: #2d4a6a;
        }