/* roulang page: index */
/* ========== 设计变量 ========== */
        :root {
            --color-primary: #0D3B2E;
            --color-primary-light: #155A45;
            --color-primary-dark: #07261D;
            --color-accent-gold: #C8A96A;
            --color-accent-gold-light: #E0C77E;
            --color-accent-gold-dark: #A88B4E;
            --color-accent-red: #D32F2F;
            --color-accent-red-light: #E84848;
            --color-accent-red-dark: #B71C1C;
            --color-bg-dark: #1A1A1A;
            --color-bg-card: #2C2C2C;
            --color-bg-card-hover: #353535;
            --color-bg-section: #1E1E1E;
            --color-bg-nav: rgba(13, 59, 46, 0.92);
            --color-text-primary: #F5F0E8;
            --color-text-secondary: #C5BFB3;
            --color-text-muted: #8A857A;
            --color-text-dark: #1A1A1A;
            --color-border: rgba(255, 255, 255, 0.1);
            --color-border-light: rgba(255, 255, 255, 0.18);
            --color-border-gold: rgba(200, 169, 106, 0.4);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.5);
            --shadow-card-hover: 0 16px 40px rgba(0, 0, 0, 0.65);
            --shadow-nav: 0 2px 20px rgba(0, 0, 0, 0.6);
            --shadow-btn: 0 4px 16px rgba(200, 169, 106, 0.3);
            --font-title: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-body: 'PingFang SC', 'Lantinghei SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
            --font-number: 'DIN', 'SF Mono', 'Menlo', 'Consolas', monospace;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
            --max-width: 1280px;
            --nav-height: 68px;
        }

        /* ========== Reset & Base ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--color-bg-dark);
            color: var(--color-text-primary);
            line-height: 1.75;
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-accent-gold);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--color-accent-gold);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-title);
            font-weight: 700;
            line-height: 1.3;
        }

        /* ========== 容器 ========== */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ========== 导航 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: var(--color-bg-nav);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: var(--shadow-nav);
            transition: background var(--transition-smooth);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-text-primary);
            white-space: nowrap;
            letter-spacing: 0.02em;
            transition: color var(--transition-fast);
        }

        .nav-logo:hover {
            color: var(--color-accent-gold);
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-accent-gold), var(--color-accent-gold-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--color-primary-dark);
            font-weight: 900;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            font-size: 0.95rem;
            font-weight: 500;
            letter-spacing: 0.03em;
        }

        .nav-links a {
            position: relative;
            padding: 6px 0;
            color: var(--color-text-secondary);
            transition: color var(--transition-fast);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--color-accent-gold);
            border-radius: 1px;
            transition: width var(--transition-smooth);
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-text-primary);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            background: var(--color-accent-red);
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.04em;
            border-radius: var(--radius-sm);
            clip-path: polygon(0 0, 100% 0, 94% 100%, 0% 100%);
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 14px rgba(211, 47, 47, 0.35);
            white-space: nowrap;
        }

        .nav-cta-btn:hover {
            background: var(--color-accent-red-light);
            color: #fff;
            transform: translateX(2px);
            box-shadow: 0 6px 20px rgba(211, 47, 47, 0.5);
            clip-path: polygon(0 0, 100% 0, 96% 100%, 0% 100%);
        }

        .nav-cta-btn:active {
            transform: scale(0.96);
            transition: transform 0.1s;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            padding: 8px;
            cursor: pointer;
            flex-direction: column;
            gap: 5px;
            z-index: 1001;
        }

        .mobile-menu-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--color-text-primary);
            border-radius: 2px;
            transition: all var(--transition-smooth);
            transform-origin: center;
        }

        .mobile-menu-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .mobile-menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .mobile-menu-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--color-primary-dark);
                flex-direction: column;
                padding: 20px 24px;
                gap: 16px;
                transform: translateY(-120%);
                opacity: 0;
                transition: all var(--transition-smooth);
                border-bottom: 2px solid var(--color-accent-gold);
                box-shadow: var(--shadow-nav);
                z-index: 999;
            }

            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
            }

            .nav-links a {
                font-size: 1.05rem;
                padding: 8px 0;
            }

            .mobile-menu-toggle {
                display: flex;
            }

            .nav-cta-btn {
                padding: 8px 16px;
                font-size: 0.85rem;
                clip-path: polygon(0 0, 100% 0, 93% 100%, 0% 100%);
            }
        }

        @media (max-width: 520px) {
            .nav-logo {
                font-size: 1rem;
            }
            .nav-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.9rem;
            }
            .nav-cta-btn {
                padding: 7px 13px;
                font-size: 0.8rem;
            }
        }

        /* ========== Hero 板块 ========== */
        .hero-section {
            position: relative;
            min-height: calc(100vh - var(--nav-height));
            display: flex;
            align-items: center;
            background: linear-gradient(160deg, #0A2A20 0%, #0D3B2E 30%, #1A1A1A 70%, #0D3B2E 100%);
            overflow: hidden;
            padding: 60px 0;
        }

        .hero-bg-image {
            position: absolute;
            top: 0;
            right: 0;
            width: 55%;
            height: 100%;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.35;
            mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.9) 20%, rgba(0, 0, 0, 0.2) 60%, rgba(0, 0, 0, 0) 100%);
            -webkit-mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.9) 20%, rgba(0, 0, 0, 0.2) 60%, rgba(0, 0, 0, 0) 100%);
            pointer-events: none;
        }

        .hero-overlay-pattern {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 50%, rgba(200, 169, 106, 0.06) 0%, transparent 60%),
                radial-gradient(ellipse at 30% 40%, rgba(13, 59, 46, 0.5) 0%, transparent 55%);
            pointer-events: none;
        }

        .hero-section .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-content {
            max-width: 580px;
        }

        .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 14px;
            background: rgba(200, 169, 106, 0.15);
            border: 1px solid var(--color-border-gold);
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-accent-gold);
            letter-spacing: 0.04em;
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 900;
            letter-spacing: 0.03em;
            color: #fff;
            margin-bottom: 20px;
            line-height: 1.2;
        }

        .hero-title .highlight {
            color: var(--color-accent-gold);
            position: relative;
            display: inline-block;
        }

        .hero-title .highlight::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--color-accent-gold);
            border-radius: 2px;
            opacity: 0.6;
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 480px;
        }

        .hero-stats {
            display: flex;
            gap: 28px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }

        .hero-stat {
            text-align: left;
        }

        .hero-stat-number {
            font-family: var(--font-number);
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--color-accent-gold);
            letter-spacing: 0.02em;
            line-height: 1;
        }

        .hero-stat-number .unit {
            font-size: 1.1rem;
            font-weight: 700;
            margin-left: 2px;
        }

        .hero-stat-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-top: 4px;
            letter-spacing: 0.03em;
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: var(--color-accent-gold);
            color: var(--color-primary-dark);
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.04em;
            border-radius: var(--radius-sm);
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-btn);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--color-accent-gold-light);
            color: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(200, 169, 106, 0.45);
        }

        .btn-primary:active {
            transform: scale(0.96);
            transition: transform 0.1s;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            background: transparent;
            color: var(--color-text-primary);
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.04em;
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-radius: var(--radius-sm);
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

        .btn-outline:hover {
            border-color: var(--color-accent-gold);
            color: var(--color-accent-gold);
            background: rgba(200, 169, 106, 0.06);
        }

        .hero-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-image-card {
            width: 100%;
            max-width: 460px;
            aspect-ratio: 4/3;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7);
            border: 2px solid rgba(255, 255, 255, 0.12);
            position: relative;
        }

        .hero-image-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }

        .hero-image-card::after {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: var(--radius-lg);
            background: linear-gradient(180deg, transparent 50%, rgba(13, 59, 46, 0.5) 100%);
            pointer-events: none;
        }

        .hero-floating-chip {
            position: absolute;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 10px 16px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent-gold);
            box-shadow: var(--shadow-card);
            letter-spacing: 0.03em;
            animation: floatChip 4s ease-in-out infinite;
        }

        .hero-floating-chip.chip-top {
            top: 8%;
            right: -5%;
            animation-delay: 0s;
        }

        .hero-floating-chip.chip-bottom {
            bottom: 12%;
            left: -5%;
            animation-delay: 2s;
        }

        @keyframes floatChip {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-10px);
            }
        }

        @media (max-width: 1024px) {
            .hero-section .container {
                grid-template-columns: 1fr;
                gap: 36px;
                text-align: center;
            }
            .hero-content {
                max-width: 100%;
                order: 1;
            }
            .hero-subtitle {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            .hero-stats {
                justify-content: center;
            }
            .hero-cta-group {
                justify-content: center;
            }
            .hero-badge-row {
                justify-content: center;
            }
            .hero-visual {
                order: 0;
            }
            .hero-image-card {
                max-width: 380px;
            }
            .hero-bg-image {
                width: 100%;
                opacity: 0.2;
                mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.2) 50%, rgba(0, 0, 0, 0) 100%);
                -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.2) 50%, rgba(0, 0, 0, 0) 100%);
            }
            .hero-floating-chip {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-stat-number {
                font-size: 1.6rem;
            }
            .hero-section {
                padding: 40px 0;
                min-height: auto;
            }
            .hero-image-card {
                max-width: 300px;
            }
            .btn-primary,
            .btn-outline {
                padding: 12px 22px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-stats {
                gap: 16px;
            }
            .hero-stat-number {
                font-size: 1.4rem;
            }
            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
                justify-content: center;
            }
        }

        /* ========== 通用板块样式 ========== */
        .section-block {
            padding: 80px 0;
            position: relative;
        }

        .section-block.section-alt {
            background: var(--color-bg-section);
        }

        .section-header {
            text-align: center;
            margin-bottom: 52px;
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--color-accent-gold);
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2.25rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.03em;
            margin-bottom: 14px;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--color-text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.8;
        }

        @media (max-width: 768px) {
            .section-block {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .section-header {
                margin-bottom: 36px;
            }
        }

        /* ========== 入口矩阵板块 ========== */
        .entry-matrix-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .entry-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 28px 24px 24px;
            transition: all var(--transition-smooth);
            cursor: pointer;
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            gap: 14px;
            box-shadow: var(--shadow-card);
        }

        .entry-card::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--color-accent-gold);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-smooth);
            border-radius: 0 0 var(--radius-md) var(--radius-md);
        }

        .entry-card:hover {
            background: var(--color-bg-card-hover);
            border-color: var(--color-border-light);
            transform: translateY(-8px);
            box-shadow: var(--shadow-card-hover);
        }

        .entry-card:hover::before {
            transform: scaleX(1);
        }

        .entry-card-number {
            font-family: var(--font-number);
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--color-accent-gold);
            opacity: 0.5;
            line-height: 1;
            letter-spacing: -0.02em;
        }

        .entry-card-icon-area {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: rgba(200, 169, 106, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--color-accent-gold);
            flex-shrink: 0;
        }

        .entry-card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.03em;
        }

        .entry-card-desc {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        .entry-card-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent-gold);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
            margin-top: auto;
        }

        .entry-card-link:hover {
            gap: 8px;
            color: var(--color-accent-gold-light);
        }

        .entry-card-image {
            width: 100%;
            aspect-ratio: 16/10;
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 4px;
        }

        .entry-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .entry-card:hover .entry-card-image img {
            transform: scale(1.05);
        }

        @media (max-width: 1024px) {
            .entry-matrix-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .entry-matrix-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 场景演示板块 ========== */
        .scene-demo-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .scene-steps {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .scene-step {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 18px 20px;
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            transition: all var(--transition-smooth);
            cursor: default;
        }

        .scene-step:hover {
            border-color: var(--color-border-gold);
            background: var(--color-bg-card-hover);
            box-shadow: var(--shadow-card);
        }

        .scene-step-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-accent-gold);
            color: var(--color-primary-dark);
            font-weight: 900;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-family: var(--font-number);
        }

        .scene-step-content h4 {
            font-size: 1.05rem;
            color: #fff;
            margin-bottom: 4px;
            letter-spacing: 0.03em;
        }

        .scene-step-content p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        .scene-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 4/3;
            box-shadow: var(--shadow-card);
            border: 2px solid rgba(255, 255, 255, 0.1);
        }

        .scene-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }

        .scene-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: var(--radius-lg);
            background: linear-gradient(135deg, rgba(13, 59, 46, 0.4) 0%, transparent 50%);
            pointer-events: none;
        }

        @media (max-width: 768px) {
            .scene-demo-wrapper {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .scene-visual {
                aspect-ratio: 16/9;
            }
        }

        /* ========== 议程时间线板块 ========== */
        .timeline-track {
            position: relative;
            padding: 20px 0;
        }

        .timeline-track::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--color-accent-gold), rgba(200, 169, 106, 0.2), var(--color-accent-gold));
            transform: translateX(-50%);
            border-radius: 1px;
        }

        .timeline-node {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
            margin-bottom: 40px;
            position: relative;
        }

        .timeline-node:last-child {
            margin-bottom: 0;
        }

        .timeline-node:nth-child(even) .timeline-node-content {
            order: 1;
        }

        .timeline-node:nth-child(even) .timeline-node-marker-area {
            order: 0;
            text-align: right;
        }

        .timeline-node:nth-child(odd) .timeline-node-content {
            order: 0;
            text-align: right;
        }

        .timeline-node:nth-child(odd) .timeline-node-marker-area {
            order: 1;
        }

        .timeline-node-content {
            padding: 20px 24px;
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            transition: all var(--transition-smooth);
        }

        .timeline-node-content:hover {
            border-color: var(--color-border-gold);
            box-shadow: var(--shadow-card);
        }

        .timeline-node-content .time-label {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--color-accent-gold);
            letter-spacing: 0.06em;
            margin-bottom: 6px;
        }

        .timeline-node-content h4 {
            font-size: 1.1rem;
            color: #fff;
            margin-bottom: 6px;
            letter-spacing: 0.03em;
        }

        .timeline-node-content p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        .timeline-marker {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-accent-red);
            color: #fff;
            font-weight: 900;
            font-size: 1rem;
            font-family: var(--font-number);
            box-shadow: 0 0 0 6px var(--color-bg-dark), 0 0 0 8px rgba(211, 47, 47, 0.4);
            position: relative;
            z-index: 2;
        }

        .timeline-node-marker-area {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        @media (max-width: 768px) {
            .timeline-track::before {
                left: 22px;
            }
            .timeline-node {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .timeline-node:nth-child(even) .timeline-node-content,
            .timeline-node:nth-child(odd) .timeline-node-content {
                order: 0;
                text-align: left;
            }
            .timeline-node:nth-child(even) .timeline-node-marker-area,
            .timeline-node:nth-child(odd) .timeline-node-marker-area {
                order: 0;
                text-align: left;
                justify-content: flex-start;
                padding-left: 0;
            }
            .timeline-marker {
                width: 36px;
                height: 36px;
                font-size: 0.85rem;
                box-shadow: 0 0 0 4px var(--color-bg-dark), 0 0 0 6px rgba(211, 47, 47, 0.3);
            }
            .timeline-node-content {
                margin-left: 0;
            }
        }

        /* ========== 里程碑/数据板块 ========== */
        .milestone-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .milestone-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
        }

        .milestone-card:hover {
            transform: translateY(-6px);
            border-color: var(--color-border-gold);
            box-shadow: var(--shadow-card-hover);
        }

        .milestone-number {
            font-family: var(--font-number);
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--color-accent-gold);
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 8px;
        }

        .milestone-number .suffix {
            font-size: 1.3rem;
            font-weight: 700;
        }

        .milestone-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            font-weight: 500;
            letter-spacing: 0.03em;
        }

        .milestone-sub {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }

        @media (max-width: 768px) {
            .milestone-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .milestone-number {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 520px) {
            .milestone-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .milestone-card {
                padding: 20px 14px;
            }
            .milestone-number {
                font-size: 1.8rem;
            }
        }

        /* ========== 资讯板块 ========== */
        .info-layout {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 36px;
            align-items: start;
        }

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

        .info-list-item {
            display: flex;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--color-border);
            transition: all var(--transition-fast);
            cursor: pointer;
            align-items: flex-start;
        }

        .info-list-item:hover {
            border-bottom-color: var(--color-border-gold);
        }

        .info-list-item:hover .info-item-title {
            color: var(--color-accent-gold);
        }

        .info-item-date {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            white-space: nowrap;
            font-family: var(--font-number);
            letter-spacing: 0.04em;
            padding-top: 2px;
        }

        .info-item-body {
            flex: 1;
        }

        .info-item-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            letter-spacing: 0.03em;
            transition: color var(--transition-fast);
            margin-bottom: 4px;
        }

        .info-item-excerpt {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .info-recommend {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 24px;
            position: sticky;
            top: calc(var(--nav-height) + 24px);
        }

        .info-recommend-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--color-accent-gold);
            display: inline-block;
        }

        .info-recommend-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .info-recommend-item {
            display: flex;
            gap: 12px;
            align-items: center;
            padding: 10px 12px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .info-recommend-item:hover {
            background: rgba(200, 169, 106, 0.06);
        }

        .info-recommend-thumb {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--color-bg-dark);
        }

        .info-recommend-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .info-recommend-text {
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            letter-spacing: 0.03em;
            line-height: 1.4;
        }

        .info-recommend-item:hover .info-recommend-text {
            color: var(--color-accent-gold);
        }

        @media (max-width: 768px) {
            .info-layout {
                grid-template-columns: 1fr;
            }
            .info-recommend {
                position: static;
                margin-top: 20px;
            }
        }

        /* ========== 平台保障板块 ========== */
        .assurance-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .assurance-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 30px 24px;
            text-align: center;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
        }

        .assurance-card:hover {
            border-color: var(--color-border-gold);
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
        }

        .assurance-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(200, 169, 106, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: var(--color-accent-gold);
            transition: all var(--transition-smooth);
        }

        .assurance-card:hover .assurance-icon {
            background: rgba(200, 169, 106, 0.25);
            transform: scale(1.1);
        }

        .assurance-card h4 {
            font-size: 1.05rem;
            color: #fff;
            letter-spacing: 0.03em;
            margin-bottom: 8px;
        }

        .assurance-card p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .assurance-grid {
                grid-template-columns: 1fr;
                max-width: 400px;
                margin: 0 auto;
            }
        }

        /* ========== 便捷预约板块 ========== */
        .booking-options {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .booking-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 28px 22px;
            text-align: center;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            gap: 12px;
            align-items: center;
        }

        .booking-card:hover {
            border-color: var(--color-accent-gold);
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
        }

        .booking-card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            background: var(--color-accent-red);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: #fff;
            transition: all var(--transition-smooth);
        }

        .booking-card:hover .booking-card-icon {
            background: var(--color-accent-red-light);
            transform: scale(1.08);
        }

        .booking-card h4 {
            font-size: 1.05rem;
            color: #fff;
            letter-spacing: 0.03em;
        }

        .booking-card p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        .booking-card .btn-primary {
            margin-top: 4px;
            font-size: 0.9rem;
            padding: 10px 20px;
        }

        @media (max-width: 768px) {
            .booking-options {
                grid-template-columns: 1fr;
                max-width: 400px;
                margin: 0 auto;
            }
        }

        /* ========== FAQ 板块 ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            margin-bottom: 12px;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            transition: all var(--transition-smooth);
        }

        .faq-item[open] {
            border-color: var(--color-border-gold);
            background: var(--color-bg-card-hover);
            box-shadow: var(--shadow-card);
        }

        .faq-item summary {
            padding: 18px 20px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-weight: 600;
            font-size: 1rem;
            color: #fff;
            letter-spacing: 0.03em;
            position: relative;
            list-style: none;
            transition: color var(--transition-fast);
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 24px;
            background: var(--color-accent-red);
            border-radius: 2px;
            transition: height var(--transition-smooth);
        }

        .faq-item[open] summary::before {
            height: 32px;
            background: var(--color-accent-red-light);
        }

        .faq-item summary {
            padding-left: 28px;
        }

        .faq-arrow {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            transition: transform var(--transition-smooth);
            color: var(--color-text-muted);
            font-size: 0.8rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .faq-item[open] .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-accent-gold);
        }

        .faq-answer {
            padding: 0 28px 20px;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        .faq-item[open] .faq-answer {
            animation: fadeInDown 0.3s ease;
        }

        @keyframes fadeInDown {
            from {
                opacity: 0;
                transform: translateY(-8px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ========== 最终CTA板块 ========== */
        .final-cta-section {
            background: linear-gradient(160deg, var(--color-primary-dark) 0%, var(--color-primary) 40%, #0A2A20 100%);
            padding: 70px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .final-cta-section::before {
            content: '';
            position: absolute;
            top: -30%;
            left: -20%;
            width: 60%;
            height: 160%;
            background: radial-gradient(ellipse, rgba(200, 169, 106, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .final-cta-section .container {
            position: relative;
            z-index: 2;
        }

        .final-cta-title {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.03em;
            margin-bottom: 14px;
        }

        .final-cta-desc {
            font-size: 1rem;
            color: var(--color-text-secondary);
            max-width: 500px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .final-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 40px;
            background: var(--color-accent-red);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            letter-spacing: 0.05em;
            border-radius: var(--radius-sm);
            clip-path: polygon(0 0, 100% 0, 95% 100%, 0% 100%);
            transition: all var(--transition-smooth);
            box-shadow: 0 6px 24px rgba(211, 47, 47, 0.4);
        }

        .final-cta-btn:hover {
            background: var(--color-accent-red-light);
            color: #fff;
            transform: translateX(3px);
            box-shadow: 0 10px 32px rgba(211, 47, 47, 0.55);
            clip-path: polygon(0 0, 100% 0, 97% 100%, 0% 100%);
        }

        .final-cta-btn:active {
            transform: scale(0.95);
            transition: transform 0.1s;
        }

        @media (max-width: 768px) {
            .final-cta-title {
                font-size: 1.5rem;
            }
            .final-cta-btn {
                padding: 14px 30px;
                font-size: 1rem;
                clip-path: polygon(0 0, 100% 0, 93% 100%, 0% 100%);
            }
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #0E0E0E;
            padding: 48px 0 28px;
            border-top: 1px solid rgba(200, 169, 106, 0.25);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 1.2rem;
            color: #fff;
            letter-spacing: 0.03em;
            margin-bottom: 8px;
        }

        .footer-brand-desc {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--color-accent-gold);
            letter-spacing: 0.06em;
            margin-bottom: 14px;
            text-transform: uppercase;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        .footer-bottom a {
            color: var(--color-text-muted);
        }

        .footer-bottom a:hover {
            color: var(--color-accent-gold);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-brand-area {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ========== 工具类 ========== */
        .text-gold {
            color: var(--color-accent-gold);
        }
        .text-red {
            color: var(--color-accent-red);
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ========== 全局过渡 ========== */
        .fade-in-up {
            animation: fadeInUp 0.6s ease forwards;
            opacity: 0;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }