*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
            background: #f4f7f6;
            color: #1e2a2f;
            line-height: 1.75;
            padding: 0;
            margin: 0;
        }
        a {
            color: #b4652a;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #7a3f12;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #0f1a1f;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
        }
        h1 {
            font-size: 2.4rem;
            border-bottom: 4px solid #e6b17e;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 6px solid #b4652a;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.4rem;
            color: #2d4a55;
        }
        h4 {
            font-size: 1.15rem;
            color: #3d5f6b;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(145deg, #0b1a20 0%, #1a333d 100%);
            padding: 16px 0;
            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;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: 2px;
            background: linear-gradient(135deg, #f7d794, #e6b17e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: none;
            transition: transform 0.3s ease;
            display: inline-block;
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        .my-logo small {
            font-size: 0.8rem;
            font-weight: 400;
            -webkit-text-fill-color: #aaa;
            color: #aaa;
            letter-spacing: 1px;
            margin-left: 6px;
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 2px solid #e6b17e;
            color: #e6b17e;
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            background: #e6b17e22;
        }
        .main-nav {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #eaeef0;
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.25s, color 0.25s;
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: #e6b17e;
            color: #0b1a20;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 6px;
        }
        .breadcrumb {
            background: #eef3f2;
            padding: 12px 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #d0ddda;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "››";
            margin-right: 10px;
            color: #999;
        }
        .breadcrumb a {
            color: #2d5a66;
        }
        .breadcrumb .current {
            color: #7a3f12;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, #0f262e 0%, #1b3c47 100%);
            color: #f5f9fa;
            padding: 40px 0 50px;
            text-align: center;
            border-radius: 0 0 40px 40px;
            margin-bottom: 40px;
        }
        .hero h1 {
            color: #f7e3ce;
            border-bottom: none;
            font-size: 2.8rem;
            margin-top: 0;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 750px;
            margin: 12px auto 0;
            color: #cbdde3;
        }
        .hero .last-updated {
            display: inline-block;
            margin-top: 20px;
            background: #2d5a66aa;
            padding: 8px 24px;
            border-radius: 40px;
            font-size: 0.9rem;
            color: #e6f0f3;
            backdrop-filter: blur(4px);
        }
        .search-section {
            margin: 30px 0 40px;
        }
        .search-form {
            display: flex;
            max-width: 640px;
            margin: 0 auto;
            border-radius: 60px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            background: #fff;
            border: 1px solid #dce8e5;
        }
        .search-form input[type="text"] {
            flex: 1;
            border: none;
            padding: 16px 24px;
            font-size: 1rem;
            outline: none;
            background: transparent;
            min-width: 0;
        }
        .search-form button {
            background: #b4652a;
            border: none;
            color: #fff;
            padding: 0 32px;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background 0.25s;
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
        }
        .search-form button:hover {
            background: #8f4e1f;
        }
        .tier-section {
            margin: 50px 0;
        }
        .tier-card {
            border-radius: 20px;
            padding: 24px 28px;
            margin-bottom: 28px;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.05);
            transition: transform 0.2s;
        }
        .tier-card:hover {
            transform: translateY(-4px);
        }
        .tier-s {
            background: linear-gradient(145deg, #fff7e6, #ffe8cc);
            border-left: 8px solid #f0a040;
        }
        .tier-a {
            background: linear-gradient(145deg, #f0f7f5, #d9ece8);
            border-left: 8px solid #2d9f8a;
        }
        .tier-b {
            background: linear-gradient(145deg, #f2f6fa, #dce6f0);
            border-left: 8px solid #4a7da5;
        }
        .tier-c {
            background: linear-gradient(145deg, #f8f4f0, #ede4dc);
            border-left: 8px solid #9a8a7a;
        }
        .tier-d {
            background: linear-gradient(145deg, #f5f0f0, #e6dddd);
            border-left: 8px solid #b08888;
        }
        .tier-label {
            font-size: 2.2rem;
            font-weight: 800;
            display: inline-block;
            padding: 4px 24px;
            border-radius: 40px;
            margin-bottom: 12px;
            letter-spacing: 2px;
        }
        .tier-s .tier-label {
            background: #f0a040;
            color: #fff;
        }
        .tier-a .tier-label {
            background: #2d9f8a;
            color: #fff;
        }
        .tier-b .tier-label {
            background: #4a7da5;
            color: #fff;
        }
        .tier-c .tier-label {
            background: #9a8a7a;
            color: #fff;
        }
        .tier-d .tier-label {
            background: #b08888;
            color: #fff;
        }
        .tier-item {
            display: grid;
            grid-template-columns: 1fr 2fr 1fr;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid rgba(0, 0, 0, 0.06);
            align-items: start;
        }
        .tier-item:last-child {
            border-bottom: none;
        }
        .tier-item-name {
            font-weight: 700;
            font-size: 1.15rem;
            color: #0f1a1f;
        }
        .tier-item-name i {
            margin-right: 8px;
            color: #b4652a;
        }
        .tier-item-desc {
            font-size: 0.95rem;
            color: #2d424a;
        }
        .tier-item-stat {
            text-align: right;
            font-size: 0.9rem;
            color: #3d5f6b;
            font-weight: 500;
        }
        .tier-item-stat span {
            display: block;
            background: #ffffffcc;
            padding: 4px 12px;
            border-radius: 20px;
            margin-top: 4px;
            font-size: 0.8rem;
            color: #0f1a1f;
        }
        .featured-image {
            margin: 40px 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
            position: relative;
        }
        .featured-image img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
        }
        .featured-image figcaption {
            background: #0f1a1fe3;
            color: #e6f0f3;
            padding: 12px 24px;
            font-size: 0.9rem;
            text-align: center;
        }
        .interaction-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin: 50px 0;
        }
        .comment-box,
        .rating-box {
            background: #ffffff;
            border-radius: 20px;
            padding: 28px 30px;
            box-shadow: 0 6px 28px rgba(0, 0, 0, 0.04);
            border: 1px solid #e2efeb;
        }
        .comment-box h3,
        .rating-box h3 {
            margin-top: 0;
            font-size: 1.3rem;
            color: #0f1a1f;
        }
        .comment-box textarea {
            width: 100%;
            border: 2px solid #dce8e5;
            border-radius: 14px;
            padding: 14px 18px;
            font-size: 0.95rem;
            font-family: inherit;
            resize: vertical;
            min-height: 110px;
            transition: border 0.25s;
            background: #fafcfb;
        }
        .comment-box textarea:focus {
            border-color: #b4652a;
            outline: none;
            background: #fff;
        }
        .comment-box input[type="text"] {
            width: 100%;
            border: 2px solid #dce8e5;
            border-radius: 14px;
            padding: 12px 18px;
            font-size: 0.95rem;
            margin-bottom: 12px;
            background: #fafcfb;
            transition: border 0.25s;
        }
        .comment-box input[type="text"]:focus {
            border-color: #b4652a;
            outline: none;
            background: #fff;
        }
        .btn {
            background: #b4652a;
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn:hover {
            background: #8f4e1f;
            transform: scale(0.98);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid #b4652a;
            color: #b4652a;
        }
        .btn-outline:hover {
            background: #b4652a;
            color: #fff;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            gap: 6px;
            justify-content: flex-end;
            margin: 16px 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2.2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.15s, transform 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f0a040;
            transform: scale(1.1);
        }
        .rating-value {
            font-size: 1.8rem;
            font-weight: 700;
            color: #b4652a;
            margin-left: 8px;
        }
        .related-links {
            background: #eaf2f0;
            border-radius: 24px;
            padding: 30px 34px;
            margin: 40px 0;
        }
        .related-links h3 {
            margin-top: 0;
        }
        .related-links ul {
            list-style: none;
            padding: 0;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 12px;
        }
        .related-links li a {
            display: flex;
            align-items: center;
            gap: 10px;
            background: #ffffffdd;
            padding: 10px 18px;
            border-radius: 40px;
            transition: background 0.2s, transform 0.2s;
            font-weight: 500;
            backdrop-filter: blur(4px);
        }
        .related-links li a:hover {
            background: #fff;
            transform: translateX(6px);
            text-decoration: none;
        }
        .related-links li a i {
            color: #b4652a;
            font-size: 1rem;
        }
        friend-link {
            display: block;
            background: #0f1a1f;
            color: #e6f0f3;
            padding: 28px 0;
            margin-top: 40px;
            text-align: center;
            border-radius: 24px 24px 0 0;
        }
        friend-link .container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px 28px;
        }
        friend-link a {
            color: #e6b17e;
            font-weight: 500;
            transition: color 0.2s;
        }
        friend-link a:hover {
            color: #f7d794;
            text-decoration: underline;
        }
        friend-link .fl-label {
            width: 100%;
            font-size: 0.9rem;
            color: #9ab7c2;
            margin-bottom: 8px;
            letter-spacing: 2px;
            text-transform: uppercase;
        }
        .site-footer {
            background: #091217;
            color: #b0c8d0;
            padding: 24px 0;
            text-align: center;
            font-size: 0.9rem;
        }
        .site-footer .copyright {
            color: #7c9aa8;
        }
        .schema-hidden {
            display: none;
        }
        @media (max-width: 860px) {
            .interaction-section {
                grid-template-columns: 1fr;
            }
            .tier-item {
                grid-template-columns: 1fr;
                gap: 8px;
            }
            .tier-item-stat {
                text-align: left;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding-top: 16px;
                gap: 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 20px;
                border-radius: 12px;
                background: #142d36;
                width: 100%;
            }
            .main-nav a:hover {
                background: #e6b17e;
                color: #0b1a20;
            }
            .search-form {
                flex-direction: column;
                border-radius: 24px;
            }
            .search-form input[type="text"] {
                border-radius: 24px 24px 0 0;
                padding: 14px 20px;
            }
            .search-form button {
                border-radius: 0 0 24px 24px;
                justify-content: center;
                padding: 14px;
            }
            .related-links ul {
                grid-template-columns: 1fr 1fr;
            }
            .tier-card {
                padding: 18px 16px;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .related-links ul {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .my-logo small {
                font-size: 0.6rem;
            }
            .tier-label {
                font-size: 1.6rem;
                padding: 2px 16px;
            }
            .breadcrumb ol {
                font-size: 0.8rem;
                gap: 4px 8px;
            }
        }
        @media (min-width: 861px) {
            .main-nav {
                display: flex !important;
            }
            .nav-toggle {
                display: none !important;
            }
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #dce8e5;
        }
        ::-webkit-scrollbar-thumb {
            background: #b4652a;
            border-radius: 12px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #8f4e1f;
        }
        .text-muted {
            color: #5f7a85;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .gap-2 {
            gap: 8px;
        }
        .w-100 {
            width: 100%;
        }