/* roulang page: index */
:root {
            --bg-primary: #0B0F19;
            --bg-secondary: #101830;
            --bg-card: #111827;
            --bg-card-end: #1E293B;
            --text-primary: #F1F5F9;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-glass: rgba(255, 255, 255, 0.08);
            --border-strong: rgba(148, 163, 184, 0.18);
            --gradient-brand: linear-gradient(135deg, #7C3AED 0%, #E11D6E 50%, #F97316 100%);
            --gradient-cool: linear-gradient(135deg, #22D3EE 0%, #7C3AED 100%);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Microsoft YaHei", system-ui, sans-serif;
            background: radial-gradient(ellipse at 50% 0%, #101830 0%, #0B0F19 70%);
            color: var(--text-primary);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        /* 滚动条 */
        ::-webkit-scrollbar {
            width: 10px;
            height: 10px;
        }
        ::-webkit-scrollbar-track {
            background: #0B0F19;
        }
        ::-webkit-scrollbar-thumb {
            background: linear-gradient(135deg, #7C3AED, #E11D6E);
            border-radius: 5px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: linear-gradient(135deg, #8B5CF6, #F43F5E);
        }

        /* 容器 */
        .container-custom {
            width: 100%;
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width: 768px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* 顶部促销条 */
        .announcement-bar {
            background: var(--gradient-brand);
            position: relative;
            z-index: 50;
        }

        .announcement-bar .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 38px;
        }

        .announcement-bar-text {
            font-size: 0.82rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.95);
            letter-spacing: 0.02em;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .announcement-bar-links {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: 0.8rem;
            flex-shrink: 0;
        }

        .announcement-bar-links a {
            color: rgba(255, 255, 255, 0.85);
            text-decoration: none;
            transition: color 0.2s;
        }

        .announcement-bar-links a:hover {
            color: #ffffff;
        }

        @media (max-width: 768px) {
            .announcement-bar-links {
                display: none;
            }
        }

        /* 主导航 */
        .main-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 15, 25, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(148, 163, 184, 0.15);
        }

        .main-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 1rem;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            text-decoration: none;
            flex-shrink: 0;
        }

        .logo-badge {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: var(--gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            color: #fff;
            box-shadow: 0 4px 20px rgba(124, 58, 237, 0.4);
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .logo-main {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .logo-sub {
            font-size: 0.68rem;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 0.05em;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            margin-left: 1rem;
        }

        .main-nav a {
            display: inline-block;
            padding: 0.5rem 0.9rem;
            border-radius: 0.625rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            text-decoration: none;
            transition: all 0.25s;
            position: relative;
        }

        .main-nav a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }

        .main-nav a.active {
            color: var(--text-primary);
            background: rgba(124, 58, 237, 0.15);
        }

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

        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }

        .header-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 9999px;
            padding: 0.35rem 0.85rem;
            width: 220px;
            transition: all 0.3s;
        }

        .header-search:focus-within {
            border-color: rgba(124, 58, 237, 0.6);
            box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.2);
            background: rgba(255, 255, 255, 0.08);
            width: 250px;
        }

        .header-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-primary);
            font-size: 0.85rem;
            width: 100%;
            padding: 0.25rem 0.5rem;
        }

        .header-search input::placeholder {
            color: var(--text-muted);
        }

        .header-search svg {
            width: 16px;
            height: 16px;
            color: var(--text-muted);
            flex-shrink: 0;
        }

        .btn-brand {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: var(--gradient-brand);
            color: #fff !important;
            font-weight: 600;
            border: none;
            border-radius: 0.75rem;
            padding: 0.6rem 1.25rem;
            font-size: 0.9rem;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(124, 58, 237, 0.3);
            transition: all 0.3s;
            text-decoration: none;
            line-height: 1.4;
        }

        .btn-brand:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(225, 29, 110, 0.4);
            filter: brightness(1.1);
        }

        .btn-brand:active {
            transform: translateY(0);
            box-shadow: 0 2px 12px rgba(124, 58, 237, 0.3);
        }

        .btn-brand:focus-visible {
            outline: 3px solid rgba(124, 58, 237, 0.5);
            outline-offset: 2px;
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: transparent;
            color: var(--text-primary);
            border: 1px solid rgba(148, 163, 184, 0.3);
            border-radius: 0.75rem;
            padding: 0.6rem 1.25rem;
            font-size: 0.9rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            text-decoration: none;
        }

        .btn-ghost:hover {
            border-color: rgba(124, 58, 237, 0.6);
            background: rgba(124, 58, 237, 0.1);
            transform: translateY(-2px);
        }

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

        .btn-ghost:focus-visible {
            outline: 3px solid rgba(124, 58, 237, 0.4);
            outline-offset: 2px;
        }

        /* 汉堡菜单 */
        .menu-toggle {
            display: none;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 0.5rem;
            color: var(--text-primary);
            width: 40px;
            height: 40px;
            border-radius: 0.5rem;
            align-items: center;
            justify-content: center;
            transition: background 0.2s;
        }

        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        .menu-toggle svg {
            width: 22px;
            height: 22px;
        }

        @media (max-width: 1024px) {
            .main-nav {
                display: none;
            }
            .header-search {
                display: none;
            }
            .menu-toggle {
                display: inline-flex;
            }
            .header-actions .btn-brand {
                display: none;
            }
        }

        @media (max-width: 640px) {
            .logo-sub {
                display: none;
            }
            .logo-main {
                font-size: 0.95rem;
            }
            .main-header .container-custom {
                height: 60px;
            }
        }

        /* 移动端抽屉 */
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100vh;
            background: rgba(17, 24, 39, 0.98);
            backdrop-filter: blur(30px);
            z-index: 200;
            padding: 2rem 1.5rem;
            transition: right 0.3s ease;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            box-shadow: -20px 0 60px rgba(0, 0, 0, 0.5);
        }

        .mobile-drawer.open {
            right: 0;
        }

        .drawer-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.6);
            z-index: 190;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s;
            backdrop-filter: blur(4px);
        }

        .drawer-overlay.active {
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-drawer .drawer-logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 1.5rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .mobile-drawer .drawer-logo .logo-main {
            font-size: 0.95rem;
        }

        .mobile-drawer a.drawer-link {
            display: block;
            padding: 0.75rem 0.75rem;
            border-radius: 0.625rem;
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 0.95rem;
            font-weight: 500;
            transition: all 0.2s;
        }

        .mobile-drawer a.drawer-link:hover {
            background: rgba(124, 58, 237, 0.15);
            color: var(--text-primary);
        }

        .mobile-drawer a.drawer-link.active {
            background: rgba(124, 58, 237, 0.2);
            color: var(--text-primary);
            border-left: 3px solid #7C3AED;
        }

        .mobile-drawer-close {
            position: absolute;
            top: 1rem;
            right: 1rem;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: var(--text-secondary);
            width: 34px;
            height: 34px;
            border-radius: 0.5rem;
            cursor: pointer;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s;
        }

        .mobile-drawer-close:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-primary);
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 620px;
            padding: 5rem 0 4rem;
            overflow: hidden;
            background: url('/assets/images/backpic/back-1.jpg') center center / cover no-repeat;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(11, 15, 25, 0.95) 0%, rgba(11, 15, 25, 0.7) 50%, rgba(11, 15, 25, 0.4) 100%);
            z-index: 1;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(124, 58, 237, 0.3) 0%, transparent 70%);
            top: -150px;
            right: -150px;
            z-index: 0;
            animation: pulse-glow 4s ease-in-out infinite;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 760px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(148, 163, 184, 0.25);
            border-radius: 9999px;
            padding: 0.4rem 1rem;
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--text-secondary);
            margin-bottom: 1.5rem;
        }

        .hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--ok);
            animation: blink 1.2s ease infinite;
        }

        .hero-title {
            font-size: clamp(2.2rem, 5vw, 3.6rem);
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 1.25rem;
            color: var(--text-primary);
            letter-spacing: -0.01em;
        }

        .hero-title .gradient-text {
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 2rem;
            max-width: 620px;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin-bottom: 2.5rem;
        }

        .hero-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 9999px;
            padding: 0.25rem 0.5rem 0.25rem 1rem;
            max-width: 480px;
            height: 48px;
            margin-bottom: 1rem;
            transition: all 0.3s;
        }

        .hero-search:focus-within {
            border-color: rgba(124, 58, 237, 0.6);
            box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.2);
        }

        .hero-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-primary);
            font-size: 0.9rem;
            flex: 1;
            padding: 0.5rem 0;
        }

        .hero-search input::placeholder {
            color: var(--text-muted);
        }

        .hero-search button {
            background: var(--gradient-brand);
            border: none;
            border-radius: 9999px;
            padding: 0.45rem 1.25rem;
            color: #fff;
            font-weight: 600;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all 0.3s;
            white-space: nowrap;
        }

        .hero-search button:hover {
            filter: brightness(1.1);
            box-shadow: 0 4px 15px rgba(124, 58, 237, 0.4);
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            align-items: center;
            margin-bottom: 3rem;
        }

        .hero-tags span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .hero-tags a {
            font-size: 0.78rem;
            color: var(--text-secondary);
            text-decoration: none;
            border: 1px solid rgba(148, 163, 184, 0.2);
            border-radius: 9999px;
            padding: 0.2rem 0.75rem;
            transition: all 0.2s;
        }

        .hero-tags a:hover {
            border-color: rgba(124, 58, 237, 0.5);
            color: var(--text-primary);
            background: rgba(124, 58, 237, 0.1);
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1rem;
            max-width: 640px;
            margin-top: 0.5rem;
        }

        .hero-stat {
            padding: 1rem 1.25rem;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 1rem;
            backdrop-filter: blur(10px);
            transition: all 0.3s;
        }

        .hero-stat:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(124, 58, 237, 0.3);
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
        }

        .hero-stat .num {
            font-size: 1.5rem;
            font-weight: 800;
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            font-family: "DIN Alternate", sans-serif;
            font-feature-settings: "tnum";
        }

        .hero-stat .label {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 0.15rem;
        }

        @media (max-width: 768px) {
            .hero-section {
                min-height: auto;
                padding: 3.5rem 0;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 0.92rem;
            }
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 480px) {
            .hero-cta-group {
                flex-direction: column;
            }
            .hero-cta-group .btn-brand,
            .hero-cta-group .btn-ghost {
                width: 100%;
            }
            .hero-search {
                flex-direction: column;
                height: auto;
                padding: 0.5rem;
                border-radius: 1rem;
                gap: 0.5rem;
            }
            .hero-search button {
                width: 100%;
                padding: 0.6rem 1rem;
            }
            .hero-tags {
                margin-bottom: 1.5rem;
            }
        }

        /* 区块通用 */
        .section-padding {
            padding: 4.5rem 0;
        }

        @media (min-width: 768px) {
            .section-padding {
                padding: 6rem 0;
            }
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.78rem;
            font-weight: 600;
            color: #A78BFA;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 1rem;
        }

        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 0.75rem;
            color: var(--text-primary);
            position: relative;
            padding-left: 1rem;
        }

        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.3rem;
            bottom: 0.3rem;
            width: 4px;
            border-radius: 4px;
            background: var(--gradient-brand);
        }

        .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-secondary);
            max-width: 640px;
            margin-bottom: 2.5rem;
            line-height: 1.7;
        }

        /* 卖点三连 */
        .feature-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            grid-template-rows: auto auto;
            gap: 1.25rem;
        }

        .feature-card {
            background: linear-gradient(135deg, rgba(17, 24, 39, 0.7), rgba(30, 41, 59, 0.6));
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 1.25rem;
            padding: 2rem;
            position: relative;
            overflow: hidden;
            transition: all 0.35s;
            backdrop-filter: blur(10px);
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(124, 58, 237, 0.5), transparent);
        }

        .feature-card:hover {
            box-shadow: 0 12px 40px rgba(124, 58, 237, 0.15);
            transform: translateY(-4px);
            border-color: rgba(124, 58, 237, 0.2);
        }

        .feature-card-large {
            grid-row: span 2;
        }

        .feature-icon {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background: var(--gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 1.25rem;
            box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3);
        }

        .feature-badge {
            position: absolute;
            top: 1.25rem;
            right: 1.25rem;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            background: rgba(124, 58, 237, 0.15);
            color: #A78BFA;
            border: 1px solid rgba(124, 58, 237, 0.3);
        }

        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--text-primary);
        }

        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .feature-data {
            margin-top: 1.25rem;
            padding-top: 1.25rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .feature-data .data-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: var(--text-secondary);
            margin-bottom: 0.5rem;
        }

        .feature-data .data-bar {
            height: 5px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 99px;
            overflow: hidden;
            margin-top: 0.35rem;
        }

        .feature-data .data-fill {
            height: 100%;
            background: var(--gradient-brand);
            border-radius: 99px;
        }

        .feature-rating {
            display: flex;
            gap: 0.2rem;
            color: var(--gold);
            font-size: 1rem;
            margin-top: 0.5rem;
        }

        .feature-stats-num {
            font-size: 2rem;
            font-weight: 800;
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        @media (max-width: 768px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .feature-card-large {
                grid-row: auto;
            }
        }

        /* 场景演示 */
        .process-section {
            position: relative;
            background: rgba(16, 24, 48, 0.5);
            overflow: hidden;
        }

        .process-section::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 0;
            right: 0;
            background: url('/assets/images/backpic/back-3.jpg') center center / cover no-repeat;
            opacity: 0.08;
        }

        .process-grid {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .process-image-wrap {
            position: relative;
            border-radius: 1.25rem;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
        }

        .process-image-wrap img {
            width: 100%;
            height: auto;
            display: block;
            aspect-ratio: 4/3;
            object-fit: cover;
        }

        .process-image-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(11, 15, 25, 0.7), transparent 50%);
        }

        .process-float-badge {
            position: absolute;
            bottom: 1.5rem;
            left: 1.5rem;
            background: rgba(11, 15, 25, 0.75);
            backdrop-filter: blur(15px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 0.75rem;
            padding: 0.6rem 1rem;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .process-float-badge .badge-num {
            font-size: 1.3rem;
            font-weight: 800;
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .process-float-badge .badge-label {
            font-size: 0.75rem;
            color: var(--text-secondary);
        }

        .process-steps {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .process-step {
            display: flex;
            gap: 1rem;
            padding: 1.25rem 0;
            position: relative;
        }

        .process-step:not(:last-child)::before {
            content: '';
            position: absolute;
            left: 1.4rem;
            top: 3.5rem;
            bottom: -0.25rem;
            width: 1px;
            background: linear-gradient(to bottom, rgba(124, 58, 237, 0.5), rgba(255, 255, 255, 0.05));
        }

        .process-step-num {
            width: 2.8rem;
            height: 2.8rem;
            border-radius: 0.75rem;
            background: rgba(124, 58, 237, 0.12);
            border: 1px solid rgba(124, 58, 237, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1rem;
            color: #A78BFA;
            font-family: "DIN Alternate", sans-serif;
            flex-shrink: 0;
        }

        .process-step h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 0.3rem;
            color: var(--text-primary);
        }

        .process-step p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        @media (max-width: 900px) {
            .process-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }

        /* 资讯列表区 */
        .news-section {
            background: transparent;
        }

        .news-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 2rem;
        }

        .news-card {
            display: flex;
            gap: 1rem;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 1rem;
            padding: 0.75rem;
            margin-bottom: 1rem;
            transition: all 0.3s;
            text-decoration: none;
        }

        .news-card:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(124, 58, 237, 0.3);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
        }

        .news-thumb {
            width: 120px;
            min-height: 84px;
            border-radius: 0.625rem;
            overflow: hidden;
            flex-shrink: 0;
            background: #1E293B;
        }

        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .news-card-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-width: 0;
        }

        .news-category {
            display: inline-flex;
            align-items: center;
            font-size: 0.68rem;
            font-weight: 600;
            padding: 0.15rem 0.5rem;
            border-radius: 9999px;
            background: rgba(124, 58, 237, 0.15);
            color: #A78BFA;
            width: fit-content;
            margin-bottom: 0.35rem;
        }

        .news-card h3 {
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.45;
            margin-bottom: 0.25rem;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color 0.2s;
        }

        .news-card:hover h3 {
            color: #A78BFA;
        }

        .news-excerpt {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0.35rem;
        }

        .news-meta {
            font-size: 0.72rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .news-meta .separator {
            width: 3px;
            height: 3px;
            border-radius: 50%;
            background: var(--text-muted);
        }

        @media (max-width: 768px) {
            .news-layout {
                grid-template-columns: 1fr;
            }
            .news-thumb {
                width: 100px;
                min-height: 70px;
            }
        }

        /* 热榜侧栏 */
        .hot-list {
            background: linear-gradient(135deg, rgba(17, 24, 39, 0.6), rgba(30, 41, 59, 0.4));
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 1rem;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
        }

        .hot-list-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 1rem;
            padding-bottom: 0.75rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .hot-list-header h3 {
            font-size: 0.95rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .hot-item {
            display: flex;
            gap: 0.75rem;
            padding: 0.65rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.03);
        }

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

        .hot-rank {
            font-size: 1.1rem;
            font-weight: 800;
            font-family: "DIN Alternate", sans-serif;
            width: 1.8rem;
            text-align: center;
            flex-shrink: 0;
            color: #64748B;
        }

        .hot-item:first-child .hot-rank {
            color: #F43F5E;
        }

        .hot-item:nth-child(2) .hot-rank {
            color: #F97316;
        }

        .hot-item:nth-child(3) .hot-rank {
            color: #FBBF24;
        }

        .hot-item-body {
            flex: 1;
            min-width: 0;
        }

        .hot-item-title {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            margin-bottom: 0.15rem;
            transition: color 0.2s;
            display: block;
            text-decoration: none;
        }

        .hot-item-title:hover {
            color: #A78BFA;
        }

        .hot-item-meta {
            font-size: 0.72rem;
            color: var(--text-muted);
        }

        /* 社会认同 */
        .testimonial-section {
            position: relative;
            background: rgba(124, 58, 237, 0.06);
            border-top: 1px solid rgba(124, 58, 237, 0.15);
            border-bottom: 1px solid rgba(124, 58, 237, 0.15);
        }

        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.25rem;
            margin-top: 2.5rem;
        }

        .testimonial-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 1.25rem;
            padding: 1.5rem;
            transition: all 0.35s;
        }

        .testimonial-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
            border-color: rgba(124, 58, 237, 0.3);
        }

        .testimonial-head {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 0.75rem;
        }

        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            color: #fff;
            flex-shrink: 0;
        }

        .testimonial-name {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 0.35rem;
        }

        .testimonial-name .verify {
            color: var(--ok);
            font-size: 0.85rem;
        }

        .testimonial-time {
            font-size: 0.74rem;
            color: var(--text-muted);
        }

        .testimonial-text {
            font-size: 0.86rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0.75rem;
        }

        .testimonial-stars {
            color: var(--gold);
            font-size: 0.85rem;
            letter-spacing: 0.2em;
        }

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

        /* 指标数据条 */
        .kpi-band {
            background: linear-gradient(135deg, rgba(124, 58, 237, 0.15), rgba(225, 29, 110, 0.1));
            border-radius: 1.25rem;
            padding: 2rem 2.5rem;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            margin-top: 3rem;
            border: 1px solid rgba(124, 58, 237, 0.2);
        }

        .kpi-item {
            text-align: center;
        }

        .kpi-item .kpi-num {
            font-size: 2.2rem;
            font-weight: 800;
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            font-family: "DIN Alternate", sans-serif;
            font-feature-settings: "tnum";
            line-height: 1.2;
        }

        .kpi-item .kpi-label {
            font-size: 0.82rem;
            color: var(--text-secondary);
            margin-top: 0.4rem;
        }

        .kpi-item+.kpi-item {
            border-left: 1px solid rgba(255, 255, 255, 0.1);
        }

        @media (max-width: 768px) {
            .kpi-band {
                grid-template-columns: repeat(2, 1fr);
                padding: 1.5rem;
            }
            .kpi-item:nth-child(3) {
                border-left: none;
            }
            .kpi-item:nth-child(n+3) {
                margin-top: 1rem;
            }
        }

        /* 平台保障 */
        .safety-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1rem;
            margin-top: 2rem;
        }

        .safety-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 1rem;
            padding: 1.25rem 1rem;
            text-align: center;
            transition: all 0.3s;
        }

        .safety-item:hover {
            border-color: rgba(74, 222, 128, 0.3);
            background: rgba(74, 222, 128, 0.05);
        }

        .safety-icon {
            font-size: 1.4rem;
            margin-bottom: 0.5rem;
        }

        .safety-item h4 {
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 0.3rem;
        }

        .safety-item p {
            font-size: 0.75rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .safety-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* FAQ */
        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0 2rem;
        }

        .faq-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 1.25rem 0;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            gap: 1rem;
            user-select: none;
        }

        .faq-question .q {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
        }

        .faq-question .q-mark {
            color: #7C3AED;
            font-weight: 800;
            font-size: 1rem;
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--text-secondary);
            transition: all 0.3s;
            flex-shrink: 0;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            border-color: #7C3AED;
            color: #7C3AED;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            padding-left: 2.25rem;
        }

        .faq-answer-inner {
            padding: 0.75rem 0 0.25rem;
            font-size: 0.86rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
        }

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

        /* CTA 区 */
        .cta-section {
            padding: 3rem 0 5rem;
        }

        .cta-card {
            background: var(--gradient-brand);
            border-radius: 1.5rem;
            padding: 3.5rem 2.5rem;
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 70%;
            height: 200%;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
            transform: rotate(15deg);
        }

        .cta-card h2 {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.75rem;
            position: relative;
            z-index: 1;
            line-height: 1.3;
        }

        .cta-card p {
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.95rem;
            max-width: 480px;
            margin: 0 auto 1.75rem;
            position: relative;
            z-index: 1;
        }

        .cta-card .btn-white {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: #fff;
            color: #7C3AED;
            font-weight: 700;
            border: none;
            border-radius: 0.75rem;
            padding: 0.8rem 2.5rem;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
            text-decoration: none;
            position: relative;
            z-index: 1;
        }

        .cta-card .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 35px rgba(0, 0, 0, 0.25);
            background: #F1F5F9;
        }

        .cta-card .btn-white:active {
            transform: translateY(0);
        }

        /* 页脚 */
        .site-footer {
            background: rgba(11, 15, 25, 0.9);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 4rem 0 1.5rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 2.5rem;
            margin-bottom: 3rem;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 0.75rem;
            max-width: 320px;
            line-height: 1.7;
        }

        .footer-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .footer-links a {
            font-size: 0.85rem;
            color: var(--text-secondary);
            text-decoration: none;
            transition: color 0.2s;
        }

        .footer-links a:hover {
            color: #A78BFA;
        }

        .footer-contact {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 2;
        }

        .footer-contact .label {
            color: var(--text-muted);
            margin-right: 0.25rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 1.25rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.5rem;
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 600px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 底部固定转化条 */
        .sticky-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: rgba(17, 24, 39, 0.9);
            backdrop-filter: blur(20px);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            padding: 0 1.5rem;
            z-index: 150;
            transform: translateY(0);
            transition: transform 0.3s;
        }

        .sticky-cta.hidden-bar {
            transform: translateY(100%);
        }

        .sticky-cta-text {
            font-size: 0.9rem;
            color: var(--text-primary);
            font-weight: 500;
        }

        .sticky-cta .btn-brand {
            padding: 0.5rem 1.25rem;
            font-size: 0.85rem;
        }

        .sticky-cta-close {
            position: absolute;
            right: 1rem;
            top: 50%;
            transform: translateY(-50%);
            width: 30px;
            height: 30px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            background: transparent;
            color: var(--text-muted);
            cursor: pointer;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s;
        }

        .sticky-cta-close:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.1);
        }

        body {
            padding-bottom: 64px;
        }

        @media (max-width: 640px) {
            .sticky-cta-text {
                font-size: 0.8rem;
            }
        }

        /* 动画 */
        @keyframes pulse-glow {
            0%,
            100% {
                opacity: 0.6;
                transform: scale(1);
            }
            50% {
                opacity: 1;
                transform: scale(1.05);
            }
        }

        @keyframes blink {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .fade-in-up {
            opacity: 0;
            animation: fadeInUp 0.7s ease forwards;
        }

        .delay-1 {
            animation-delay: 0.15s;
        }

        .delay-2 {
            animation-delay: 0.3s;
        }

        .delay-3 {
            animation-delay: 0.45s;
        }

        .delay-4 {
            animation-delay: 0.6s;
        }

        /* 无动画偏好 */
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
        }

        /* 特殊分割线 */
        .section-divider {
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(124, 58, 237, 0.4), rgba(225, 29, 110, 0.4), transparent);
            border: none;
            margin: 0;
        }

        /* 合集目录卡 */
        .collection-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.25rem;
            margin-top: 2rem;
        }

        .collection-card {
            background: linear-gradient(135deg, rgba(17, 24, 39, 0.7), rgba(30, 41, 59, 0.5));
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 1.25rem;
            padding: 1.5rem;
            transition: all 0.35s;
            display: block;
            text-decoration: none;
            position: relative;
            overflow: hidden;
        }

        .collection-card:hover {
            border-color: rgba(124, 58, 237, 0.4);
            transform: translateY(-4px);
            box-shadow: 0 12px 40px rgba(124, 58, 237, 0.15);
        }

        .collection-card .cc-icon {
            font-size: 1.6rem;
            margin-bottom: 0.75rem;
        }

        .collection-card h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }

        .collection-card p {
            font-size: 0.8rem;
            color: var(--text-secondary);
            margin-bottom: 0.75rem;
            line-height: 1.5;
        }

        .collection-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .collection-arrow {
            color: #7C3AED;
            font-weight: 600;
            font-size: 0.85rem;
        }

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

        @media (max-width: 480px) {
            .collection-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 里程碑 */
        .milestone-wrap {
            margin-top: 2.5rem;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
            position: relative;
        }

        .milestone-item {
            padding: 1.25rem;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 1rem;
            position: relative;
            transition: all 0.3s;
        }

        .milestone-item:hover {
            background: rgba(124, 58, 237, 0.08);
            border-color: rgba(124, 58, 237, 0.3);
        }

        .milestone-year {
            font-size: 1rem;
            font-weight: 800;
            color: #A78BFA;
            margin-bottom: 0.4rem;
            font-family: "DIN Alternate", sans-serif;
        }

        .milestone-title {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.3rem;
        }

        .milestone-desc {
            font-size: 0.76rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

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

/* roulang page: article */
:root {
            --bg-primary: #0B0F19;
            --bg-secondary: #101830;
            --bg-card: #111827;
            --bg-card-end: #1E293B;
            --text-primary: #F1F5F9;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-glass: rgba(255, 255, 255, 0.08);
            --border-strong: rgba(148, 163, 184, 0.18);
            --gradient-brand: linear-gradient(135deg, #7C3AED 0%, #E11D6E 50%, #F97316 100%);
            --gradient-cool: linear-gradient(135deg, #22D3EE 0%, #7C3AED 100%);
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Microsoft YaHei", system-ui, sans-serif;
            background: radial-gradient(ellipse at 50% 0%, #101830 0%, #0B0F19 70%);
            color: var(--text-primary);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        a {
            color: inherit;
        }

        button {
            font-family: inherit;
        }

        ::selection {
            background: rgba(124, 58, 237, 0.4);
            color: #fff;
        }

        ::-webkit-scrollbar {
            width: 10px;
            height: 10px;
        }
        ::-webkit-scrollbar-track {
            background: #0B0F19;
        }
        ::-webkit-scrollbar-thumb {
            background: rgba(148, 163, 184, 0.25);
            border-radius: 5px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: rgba(124, 58, 237, 0.5);
        }

        .container-custom {
            width: 100%;
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        /* ===== 促销条 ===== */
        .announcement-bar {
            background: var(--gradient-brand);
            position: relative;
            z-index: 101;
            overflow: hidden;
        }

        .announcement-bar::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(255,255,255,0.08) 0%, transparent 50%, rgba(0,0,0,0.15) 100%);
            pointer-events: none;
        }

        .announcement-bar .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 38px;
        }

        .announcement-text {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.82rem;
            font-weight: 600;
            color: #fff;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .announcement-text .dot-pulse {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #fff;
            box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.6);
            animation: pulse-dot 1.8s infinite;
            flex-shrink: 0;
        }

        @keyframes pulse-dot {
            0% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.6); }
            70% { box-shadow: 0 0 0 8px rgba(255, 255, 255, 0); }
            100% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0); }
        }

        .announcement-bar-links {
            display: flex;
            align-items: center;
            gap: 1rem;
            flex-shrink: 0;
        }

        .announcement-bar-links a {
            color: rgba(255, 255, 255, 0.9);
            text-decoration: none;
            font-size: 0.78rem;
            font-weight: 500;
            transition: color 0.2s;
        }

        .announcement-bar-links a:hover {
            color: #fff;
            text-decoration: underline;
        }

        /* ===== 主导航 ===== */
        .main-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 15, 25, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(148, 163, 184, 0.15);
        }

        .main-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 1rem;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            text-decoration: none;
            flex-shrink: 0;
        }

        .logo-badge {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: var(--gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            color: #fff;
            box-shadow: 0 4px 20px rgba(124, 58, 237, 0.4);
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .logo-main {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .logo-sub {
            font-size: 0.68rem;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 0.05em;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            margin-left: 1rem;
        }

        .main-nav a {
            display: inline-block;
            padding: 0.5rem 0.9rem;
            border-radius: 0.625rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            text-decoration: none;
            transition: all 0.25s;
            position: relative;
        }

        .main-nav a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }

        .main-nav a.active {
            color: var(--text-primary);
            background: rgba(124, 58, 237, 0.15);
        }

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

        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }

        .header-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 9999px;
            padding: 0.35rem 0.85rem;
            width: 200px;
            transition: all 0.3s;
        }

        .header-search:focus-within {
            border-color: rgba(124, 58, 237, 0.6);
            box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.2);
            background: rgba(255, 255, 255, 0.08);
            width: 250px;
        }

        .header-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-primary);
            font-size: 0.85rem;
            width: 100%;
            padding: 0.25rem 0.5rem;
        }

        .header-search input::placeholder {
            color: var(--text-muted);
        }

        .header-search svg {
            width: 16px;
            height: 16px;
            color: var(--text-muted);
            flex-shrink: 0;
        }

        .btn-brand {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: var(--gradient-brand);
            color: #fff !important;
            font-weight: 600;
            border: none;
            border-radius: 0.75rem;
            padding: 0.6rem 1.25rem;
            font-size: 0.9rem;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(124, 58, 237, 0.3);
            transition: all 0.3s;
            text-decoration: none;
            line-height: 1.4;
        }

        .btn-brand:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(225, 29, 110, 0.4);
            filter: brightness(1.1);
        }

        .btn-brand:active {
            transform: translateY(0);
            filter: brightness(0.95);
        }

        .btn-brand:focus-visible {
            outline: 3px solid rgba(124, 58, 237, 0.5);
            outline-offset: 2px;
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: transparent;
            color: var(--text-primary);
            font-weight: 500;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 0.75rem;
            padding: 0.6rem 1.25rem;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.3s;
            text-decoration: none;
        }

        .btn-ghost:hover {
            border-color: rgba(124, 58, 237, 0.6);
            background: rgba(124, 58, 237, 0.1);
            transform: translateY(-2px);
        }

        /* 移动端菜单按钮 */
        .menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 0.75rem;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-glass);
            align-items: center;
            justify-content: center;
            cursor: pointer;
            color: var(--text-primary);
        }

        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100vh;
            background: #111827;
            border-left: 1px solid var(--border-glass);
            z-index: 1000;
            transition: right 0.35s ease;
            padding: 1.5rem;
            box-shadow: -20px 0 60px rgba(0, 0, 0, 0.5);
        }

        .mobile-drawer.open {
            right: 0;
        }

        .drawer-mask {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(4px);
            z-index: 999;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s;
        }

        .drawer-mask.open {
            opacity: 1;
            pointer-events: auto;
        }

        .drawer-close {
            position: absolute;
            top: 1rem;
            right: 1rem;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-glass);
            color: var(--text-primary);
            font-size: 1.1rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s;
        }

        .drawer-close:hover {
            background: rgba(255, 255, 255, 0.12);
        }

        .mobile-drawer .drawer-logo {
            margin-bottom: 1.5rem;
        }

        .mobile-drawer .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 0.25rem;
        }

        .mobile-drawer .drawer-nav a {
            display: block;
            padding: 0.75rem 0.9rem;
            border-radius: 0.75rem;
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 0.95rem;
            font-weight: 500;
            transition: all 0.2s;
        }

        .mobile-drawer .drawer-nav a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-primary);
        }

        .mobile-drawer .drawer-nav a.active {
            background: rgba(124, 58, 237, 0.15);
            color: var(--text-primary);
        }

        .mobile-drawer .drawer-search {
            margin-top: 1.5rem;
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 9999px;
            padding: 0.5rem 0.9rem;
        }

        .mobile-drawer .drawer-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-primary);
            font-size: 0.85rem;
            width: 100%;
            padding: 0.25rem 0.5rem;
        }

        .mobile-drawer .drawer-search input::placeholder {
            color: var(--text-muted);
        }

        /* ===== 文章头图区 ===== */
        .article-banner {
            position: relative;
            padding: 3.5rem 0 2.5rem;
            border-bottom: 1px solid var(--border-glass);
            overflow: hidden;
        }

        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(124, 58, 237, 0.18) 0%, rgba(225, 29, 110, 0.1) 50%, rgba(249, 115, 22, 0.08) 100%);
            pointer-events: none;
        }

        .article-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent 0%, rgba(124, 58, 237, 0.4) 30%, rgba(225, 29, 110, 0.4) 70%, transparent 100%);
        }

        .article-banner .container-custom {
            position: relative;
            z-index: 1;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 1.25rem;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.2s;
        }

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

        .breadcrumb .sep {
            color: rgba(148, 163, 184, 0.35);
        }

        .breadcrumb .current {
            color: var(--text-secondary);
            max-width: 360px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .article-title {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-primary);
            letter-spacing: 0.01em;
            max-width: 900px;
        }

        .article-meta-row {
            display: flex;
            align-items: center;
            gap: 1.25rem;
            margin-top: 1.25rem;
            flex-wrap: wrap;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .article-meta-row .meta-item {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .article-meta-row .meta-item svg {
            width: 14px;
            height: 14px;
        }

        .article-meta-row .cat-badge {
            display: inline-block;
            background: var(--gradient-brand);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 0.2rem 0.7rem;
            border-radius: 9999px;
        }

        .article-meta-row .sep {
            color: rgba(148, 163, 184, 0.3);
        }

        /* ===== 文章主体 ===== */
        .article-main {
            padding: 3rem 0 4rem;
        }

        .article-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
        }

        .article-body {
            min-width: 0;
        }

        .article-cover {
            position: relative;
            border-radius: 1.25rem;
            overflow: hidden;
            margin-bottom: 2rem;
            border: 1px solid var(--border-glass);
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4);
        }

        .article-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 16 / 7;
        }

        .article-cover .cover-mask {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(11, 15, 25, 0.6) 0%, transparent 60%);
        }

        .article-cover .cover-quote {
            position: absolute;
            bottom: 1.25rem;
            left: 1.5rem;
            right: 1.5rem;
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.95rem;
            font-style: italic;
            line-height: 1.6;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
        }

        /* 正文排版 */
        .article-content {
            font-size: 1rem;
            line-height: 1.85;
            color: rgba(241, 245, 249, 0.88);
        }

        .article-content h2 {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 2.2em 0 0.8em;
            padding-left: 0.9rem;
            border-left: 4px solid;
            border-image: var(--gradient-brand) 1;
            border-image-slice: 1;
            line-height: 1.4;
        }

        .article-content h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 1.8em 0 0.6em;
            line-height: 1.4;
        }

        .article-content h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-secondary);
            margin: 1.5em 0 0.5em;
        }

        .article-content p {
            margin-bottom: 1.4em;
        }

        .article-content a {
            color: #22D3EE;
            text-decoration: none;
            border-bottom: 1px solid rgba(34, 211, 238, 0.3);
            transition: all 0.2s;
        }

        .article-content a:hover {
            color: #67E8F9;
            border-bottom-color: #67E8F9;
        }

        .article-content ul,
        .article-content ol {
            margin: 1.2em 0;
            padding-left: 1.5em;
        }

        .article-content ul li {
            margin-bottom: 0.5em;
            position: relative;
            list-style: none;
        }

        .article-content ul li::before {
            content: '';
            position: absolute;
            left: -1.2em;
            top: 0.65em;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--gradient-brand);
        }

        .article-content ol li {
            margin-bottom: 0.5em;
            counter-increment: list;
            list-style: none;
            position: relative;
        }

        .article-content ol {
            counter-reset: list;
        }

        .article-content ol li::before {
            content: counter(list) ".";
            position: absolute;
            left: -1.4em;
            font-weight: 700;
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .article-content blockquote {
            border-left: 3px solid;
            border-image: var(--gradient-brand) 1;
            border-image-slice: 1;
            background: rgba(124, 58, 237, 0.06);
            padding: 1rem 1.5rem;
            border-radius: 0 0.75rem 0.75rem 0;
            margin: 1.5em 0;
            color: var(--text-secondary);
            font-style: italic;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5em 0;
            font-size: 0.9rem;
            border-radius: 0.75rem;
            overflow: hidden;
        }

        .article-content table th {
            background: rgba(124, 58, 237, 0.15);
            color: var(--text-primary);
            font-weight: 600;
            text-align: left;
            padding: 0.75rem 1rem;
            border: 1px solid var(--border-glass);
        }

        .article-content table td {
            padding: 0.75rem 1rem;
            border: 1px solid var(--border-glass);
            color: var(--text-secondary);
        }

        .article-content table tr:nth-child(even) {
            background: rgba(255, 255, 255, 0.03);
        }

        .article-content img {
            border-radius: 0.75rem;
            margin: 1.5em 0;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
        }

        .article-content pre,
        .article-content code {
            background: rgba(17, 24, 39, 0.9);
            color: #E2E8F0;
            border-radius: 0.5rem;
            font-size: 0.88rem;
        }

        .article-content code {
            padding: 0.15rem 0.4rem;
            border: 1px solid var(--border-glass);
        }

        .article-content pre {
            padding: 1rem 1.25rem;
            overflow-x: auto;
            line-height: 1.6;
            border: 1px solid var(--border-glass);
            margin: 1.5em 0;
        }

        .article-content pre code {
            background: transparent;
            border: none;
            padding: 0;
        }

        .article-content strong {
            color: var(--text-primary);
            font-weight: 700;
        }

        .article-content em {
            color: #FBBF24;
        }

        /* 空态 */
        .article-empty {
            text-align: center;
            padding: 4rem 1rem;
        }

        .article-empty .empty-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
            opacity: 0.4;
        }

        .article-empty p {
            color: var(--text-secondary);
            font-size: 1.1rem;
            margin-bottom: 1.5rem;
        }

        /* 标签列表 */
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin: 2rem 0 0;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-glass);
        }

        .tag-pill {
            display: inline-block;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-glass);
            color: var(--text-secondary);
            font-size: 0.78rem;
            font-weight: 500;
            padding: 0.3rem 0.9rem;
            border-radius: 9999px;
            transition: all 0.25s;
            text-decoration: none;
        }

        .tag-pill:hover {
            background: rgba(124, 58, 237, 0.15);
            border-color: rgba(124, 58, 237, 0.4);
            color: var(--text-primary);
        }

        /* 上/下一篇 */
        .post-nav {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-glass);
        }

        .post-nav-link {
            display: block;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-glass);
            border-radius: 1rem;
            padding: 1rem 1.25rem;
            text-decoration: none;
            transition: all 0.3s;
        }

        .post-nav-link:hover {
            background: rgba(124, 58, 237, 0.1);
            border-color: rgba(124, 58, 237, 0.4);
            transform: translateY(-2px);
        }

        .post-nav-link .label {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-bottom: 0.3rem;
            display: block;
        }

        .post-nav-link .text {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .post-nav-link.next {
            text-align: right;
        }

        /* 相关推荐 */
        .related-section {
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 1px solid var(--border-glass);
        }

        .section-title-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 1.5rem;
        }

        .section-title-row h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            position: relative;
            padding-left: 0.9rem;
        }

        .section-title-row h3::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 20px;
            border-radius: 2px;
            background: var(--gradient-brand);
        }

        .related-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1rem;
        }

        .related-card {
            display: flex;
            gap: 1rem;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-glass);
            border-radius: 1rem;
            padding: 0.9rem;
            text-decoration: none;
            transition: all 0.3s;
            overflow: hidden;
        }

        .related-card:hover {
            background: rgba(124, 58, 237, 0.08);
            border-color: rgba(124, 58, 237, 0.35);
            transform: translateY(-2px);
        }

        .related-card img {
            width: 110px;
            height: 72px;
            object-fit: cover;
            border-radius: 0.65rem;
            flex-shrink: 0;
        }

        .related-card .related-info {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 0.25rem;
        }

        .related-card .related-title {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .related-card .related-meta {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* 评论区 */
        .comment-section {
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 1px solid var(--border-glass);
        }

        .comment-section h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1.25rem;
            position: relative;
            padding-left: 0.9rem;
        }

        .comment-section h3::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 20px;
            border-radius: 2px;
            background: var(--gradient-brand);
        }

        .comment-form {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-glass);
            border-radius: 1rem;
            padding: 1.25rem;
            margin-bottom: 1.5rem;
        }

        .comment-form input,
        .comment-form textarea {
            width: 100%;
            background: rgba(11, 15, 25, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 0.75rem;
            padding: 0.65rem 1rem;
            color: var(--text-primary);
            font-size: 0.88rem;
            font-family: inherit;
            outline: none;
            transition: all 0.3s;
            margin-bottom: 0.75rem;
        }

        .comment-form input::placeholder,
        .comment-form textarea::placeholder {
            color: var(--text-muted);
        }

        .comment-form input:focus,
        .comment-form textarea:focus {
            border-color: rgba(124, 58, 237, 0.6);
            box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
        }

        .comment-form textarea {
            resize: vertical;
            min-height: 90px;
        }

        .comment-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .comment-item {
            display: flex;
            gap: 0.9rem;
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 0.9rem;
            padding: 1rem;
        }

        .comment-avatar {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            font-weight: 700;
            color: #fff;
            flex-shrink: 0;
        }

        .comment-body {
            flex: 1;
            min-width: 0;
        }

        .comment-meta {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            margin-bottom: 0.3rem;
        }

        .comment-name {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-primary);
        }

        .comment-time {
            font-size: 0.72rem;
            color: var(--text-muted);
        }

        .comment-text {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ===== 侧栏 ===== */
        .article-sidebar {
            min-width: 0;
        }

        .sidebar-widget {
            background: rgba(17, 24, 39, 0.6);
            border: 1px solid var(--border-glass);
            border-radius: 1.25rem;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            backdrop-filter: blur(12px);
            position: relative;
            overflow: hidden;
        }

        .sidebar-widget::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(124, 58, 237, 0.4), rgba(249, 115, 22, 0.4), transparent);
        }

        .sidebar-widget-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .sidebar-widget-title::before {
            content: '';
            width: 4px;
            height: 16px;
            border-radius: 4px;
            background: var(--gradient-brand);
        }

        .sidebar-search-form {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 9999px;
            padding: 0.4rem 0.9rem;
            transition: all 0.3s;
        }

        .sidebar-search-form:focus-within {
            border-color: rgba(124, 58, 237, 0.6);
            box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
        }

        .sidebar-search-form input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-primary);
            font-size: 0.85rem;
            width: 100%;
            padding: 0.25rem 0.5rem;
        }

        .sidebar-search-form input::placeholder {
            color: var(--text-muted);
        }

        .sidebar-search-form svg {
            width: 15px;
            height: 15px;
            color: var(--text-muted);
            flex-shrink: 0;
        }

        .hot-list {
            list-style: none;
        }

        .hot-list li {
            margin-bottom: 0.6rem;
        }

        .hot-list li:last-child {
            margin-bottom: 0;
        }

        .hot-list a {
            display: flex;
            align-items: flex-start;
            gap: 0.7rem;
            padding: 0.55rem 0.6rem;
            border-radius: 0.7rem;
            text-decoration: none;
            transition: all 0.25s;
        }

        .hot-list a:hover {
            background: rgba(255, 255, 255, 0.04);
        }

        .hot-num {
            font-size: 1.2rem;
            font-weight: 800;
            line-height: 1.2;
            font-family: "DIN Alternate", "Barlow Condensed", sans-serif;
            font-feature-settings: "tnum";
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            min-width: 28px;
            text-align: center;
        }

        .hot-item-info {
            flex: 1;
            min-width: 0;
        }

        .hot-item-title {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-secondary);
            line-height: 1.4;
            transition: color 0.2s;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .hot-list a:hover .hot-item-title {
            color: var(--text-primary);
        }

        .hot-item-meta {
            font-size: 0.72rem;
            color: var(--text-muted);
            margin-top: 0.1rem;
        }

        .cat-wall {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .cat-wall a {
            display: inline-block;
            padding: 0.35rem 0.85rem;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-glass);
            border-radius: 9999px;
            font-size: 0.78rem;
            color: var(--text-secondary);
            text-decoration: none;
            transition: all 0.25s;
        }

        .cat-wall a:hover {
            background: rgba(124, 58, 237, 0.15);
            border-color: rgba(124, 58, 237, 0.4);
            color: var(--text-primary);
        }

        /* ===== CTA 区 ===== */
        .cta-section {
            padding: 3rem 0;
        }

        .cta-card {
            background: var(--gradient-brand);
            border-radius: 1.5rem;
            padding: 3rem 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: 0 12px 50px rgba(124, 58, 237, 0.3);
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 60%;
            height: 200%;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-card::after {
            content: '';
            position: absolute;
            bottom: -60%;
            right: -10%;
            width: 50%;
            height: 200%;
            background: rgba(0, 0, 0, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-card h2 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.6rem;
            position: relative;
            z-index: 1;
        }

        .cta-card p {
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.95rem;
            margin-bottom: 1.5rem;
            position: relative;
            z-index: 1;
        }

        .cta-card .btn-white {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: #fff;
            color: #111827;
            font-weight: 700;
            border: none;
            border-radius: 0.75rem;
            padding: 0.75rem 2rem;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all 0.3s;
            text-decoration: none;
            position: relative;
            z-index: 1;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }

        .cta-card .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
            filter: brightness(1.05);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0B0F19;
            border-top: 1px solid var(--border-glass);
            padding: 3rem 0 6rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            padding-bottom: 2rem;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 0.75rem;
            max-width: 320px;
            line-height: 1.7;
        }

        .footer-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
        }

        .footer-links a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 0.85rem;
            transition: color 0.2s;
        }

        .footer-links a:hover {
            color: var(--text-primary);
        }

        .footer-contact {
            font-size: 0.85rem;
            color: var(--text-secondary);
        }

        .footer-contact .label {
            color: var(--text-muted);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-glass);
            padding-top: 1.25rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.78rem;
            color: var(--text-muted);
            flex-wrap: wrap;
            gap: 0.75rem;
        }

        /* ===== 底部固定转化条 ===== */
        .fixed-bottom-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 90;
            background: rgba(17, 24, 39, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 0.65rem 1.25rem;
            box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.3);
        }

        .fixed-bottom-cta .inner {
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }

        .fixed-bottom-cta .text {
            font-size: 0.85rem;
            color: var(--text-secondary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .fixed-bottom-cta .text strong {
            color: var(--text-primary);
        }

        .fixed-bottom-cta .actions {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            flex-shrink: 0;
        }

        .fixed-bottom-cta .btn-small {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--gradient-brand);
            color: #fff;
            font-weight: 600;
            font-size: 0.82rem;
            border: none;
            border-radius: 0.65rem;
            padding: 0.5rem 1.1rem;
            cursor: pointer;
            text-decoration: none;
            transition: all 0.3s;
            box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3);
        }

        .fixed-bottom-cta .btn-small:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(225, 29, 110, 0.4);
            filter: brightness(1.1);
        }

        .fixed-bottom-cta .close-cta {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-glass);
            color: var(--text-muted);
            font-size: 0.8rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s;
            flex-shrink: 0;
        }

        .fixed-bottom-cta .close-cta:hover {
            background: rgba(255, 255, 255, 0.12);
            color: var(--text-primary);
        }

        /* ===== 动画 ===== */
        .fade-in-up {
            opacity: 0;
            animation: fadeInUp 0.7s ease forwards;
        }

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

        .glow-ring {
            position: relative;
        }

        .glow-ring::before {
            content: '';
            position: absolute;
            inset: -1px;
            border-radius: inherit;
            padding: 1px;
            background: linear-gradient(135deg, rgba(124, 58, 237, 0.5), rgba(249, 115, 22, 0.3));
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            pointer-events: none;
            opacity: 0;
            transition: opacity 0.3s;
        }

        .glow-ring:hover::before {
            opacity: 1;
        }

        @media (prefers-reduced-motion: reduce) {
            html {
                scroll-behavior: auto;
            }
            * {
                animation: none !important;
                transition: none !important;
            }
        }

        /* ===== 响应式 ===== */
        @media (min-width: 768px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
            .related-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (min-width: 1024px) {
            .article-grid {
                grid-template-columns: 8fr 4fr;
                gap: 2.5rem;
            }
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr 1.5fr;
                gap: 2rem;
            }
            .related-grid {
                grid-template-columns: 1fr 1fr 1fr;
            }
        }

        @media (max-width: 1024px) {
            .main-nav {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .header-search {
                display: none;
            }
            .announcement-bar-links {
                display: none;
            }
            .article-banner {
                padding: 2.5rem 0 2rem;
            }
        }

        @media (max-width: 640px) {
            .post-nav {
                grid-template-columns: 1fr;
            }
            .fixed-bottom-cta .text {
                max-width: 55vw;
            }
            .article-meta-row {
                gap: 0.8rem;
            }
            .cta-card {
                padding: 2rem 1.25rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }