/* roulang page: index */
:root {
            --color-primary: #1A3C34;
            --color-primary-dark: #0F2822;
            --color-primary-light: #2A5A4E;
            --color-accent: #C9A96E;
            --color-accent-hover: #B8924A;
            --color-accent-light: #D4B87A;
            --color-bg: #F5F0EB;
            --color-bg-light: #F9F9F9;
            --color-bg-white: #FFFFFF;
            --color-text: #1E1E1E;
            --color-text-body: #333333;
            --color-text-muted: #6B6B6B;
            --color-text-light: #999999;
            --color-border: rgba(0, 0, 0, 0.04);
            --color-border-strong: rgba(0, 0, 0, 0.08);
            --color-success: #2D8B4E;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.16);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
            --container-narrow: 960px;
            --header-height: 64px;
        }

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

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text-body);
            background-color: var(--color-bg);
            min-height: 100vh;
            padding-top: var(--header-height);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            color: var(--color-primary);
            line-height: 1.3;
        }
        h1 {
            font-size: 48px;
            font-weight: 700;
            letter-spacing: -0.5px;
        }
        h2 {
            font-size: 32px;
            font-weight: 700;
        }
        h3 {
            font-size: 22px;
            font-weight: 600;
        }
        h4 {
            font-size: 18px;
            font-weight: 600;
        }
        p {
            margin-bottom: 0.8em;
        }
        p:last-child {
            margin-bottom: 0;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container--narrow {
            max-width: var(--container-narrow);
        }
        section {
            padding: 72px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            color: var(--color-primary);
            margin-bottom: 12px;
        }
        .section-header p {
            color: var(--color-text-muted);
            font-size: 17px;
            max-width: 640px;
            margin: 0 auto;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 8px;
            background: rgba(201, 169, 110, 0.1);
            padding: 4px 14px;
            border-radius: 20px;
        }

        /* ========== HEADER / NAV ========== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: var(--color-primary);
            display: flex;
            align-items: center;
            padding: 0 24px;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.18);
        }
        .header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .header__logo {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .header__logo:hover {
            color: var(--color-accent);
        }
        .header__nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .header__nav a {
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            font-weight: 500;
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .header__nav a:hover,
        .header__nav a.active {
            color: var(--color-accent);
        }
        .header__nav a.active::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }
        .header__actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }
        .header__status-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-success);
            box-shadow: 0 0 8px rgba(45, 139, 78, 0.5);
            animation: statusPulse 2s ease-in-out infinite;
        }
        @keyframes statusPulse {
            0%,
            100% {
                box-shadow: 0 0 8px rgba(45, 139, 78, 0.5);
            }
            50% {
                box-shadow: 0 0 16px rgba(45, 139, 78, 0.8);
            }
        }
        .header__status-text {
            color: rgba(255, 255, 255, 0.7);
            font-size: 12px;
            display: none;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 0.3px;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            line-height: 1.4;
        }
        .btn--accent {
            background: var(--color-accent);
            color: var(--color-primary);
        }
        .btn--accent:hover {
            background: var(--color-accent-hover);
            color: var(--color-primary);
            transform: scale(1.02);
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.35);
        }
        .btn--outline {
            border: 1.5px solid var(--color-primary);
            color: var(--color-primary);
            background: transparent;
        }
        .btn--outline:hover {
            background: rgba(26, 60, 52, 0.06);
            border-color: var(--color-primary-dark);
        }
        .btn--large {
            padding: 14px 32px;
            font-size: 16px;
            border-radius: var(--radius-md);
        }
        .btn--white {
            background: #FFFFFF;
            color: var(--color-primary);
        }
        .btn--white:hover {
            background: #F0EDE8;
            transform: scale(1.02);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
        }
        .header__hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 4px;
            z-index: 1001;
            background: none;
            border: none;
        }
        .header__hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: #FFFFFF;
            border-radius: 1px;
            transition: all var(--transition-fast);
        }
        .header__hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .header__hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .header__hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        @media (max-width: 768px) {
            .header__nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--color-primary-dark);
                flex-direction: column;
                gap: 0;
                padding: 0;
                max-height: 0;
                overflow: hidden;
                transition: max-height var(--transition-slow), padding var(--transition-smooth);
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
            }
            .header__nav.open {
                max-height: 320px;
                padding: 12px 0;
            }
            .header__nav a {
                padding: 14px 24px;
                width: 100%;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                font-size: 16px;
            }
            .header__nav a.active::after {
                display: none;
            }
            .header__hamburger {
                display: flex;
            }
            .header__status-text {
                display: inline;
            }
            .header__status-dot {
                width: 8px;
                height: 8px;
            }
        }

        /* ========== HERO - 白皮书获客风格 ========== */
        .hero {
            position: relative;
            background: var(--color-primary);
            min-height: 520px;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding: 60px 0;
        }
        .hero__bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            z-index: 0;
        }
        .hero__overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(26, 60, 52, 0.88) 0%, rgba(15, 40, 34, 0.94) 100%);
            z-index: 1;
        }
        .hero__container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 48px;
            align-items: center;
        }
        .hero__cover {
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            position: relative;
            overflow: hidden;
            aspect-ratio: 3/4;
            max-width: 380px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-xl);
        }
        .hero__cover-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-sm);
            opacity: 0.9;
        }
        .hero__cover-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--color-accent);
            color: var(--color-primary);
            font-weight: 700;
            font-size: 11px;
            padding: 6px 14px;
            border-radius: 20px;
            letter-spacing: 1px;
        }
        .hero__content {
            color: #FFFFFF;
        }
        .hero__content h1 {
            color: #FFFFFF;
            font-size: 42px;
            margin-bottom: 16px;
            line-height: 1.25;
        }
        .hero__content h1 span {
            color: var(--color-accent);
        }
        .hero__subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
            line-height: 1.6;
            max-width: 500px;
        }
        .hero__toc {
            background: rgba(255, 255, 255, 0.07);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin-bottom: 24px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .hero__toc-title {
            font-size: 13px;
            font-weight: 700;
            color: var(--color-accent);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 12px;
        }
        .hero__toc-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .hero__toc-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.4;
        }
        .hero__toc-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
            flex-shrink: 0;
        }
        .hero__form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .hero__form input {
            flex: 1;
            min-width: 200px;
            padding: 13px 18px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.95);
            color: var(--color-text);
            font-size: 15px;
            border: 2px solid transparent;
            transition: all var(--transition-fast);
        }
        .hero__form input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(201, 169, 110, 0.15);
            background: #FFFFFF;
        }
        .hero__form .btn {
            flex-shrink: 0;
        }
        @media (max-width: 1024px) {
            .hero__container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero__cover {
                max-width: 260px;
                aspect-ratio: 3/4;
            }
            .hero__content h1 {
                font-size: 34px;
            }
        }
        @media (max-width: 768px) {
            .hero {
                padding: 40px 0;
                min-height: auto;
            }
            .hero__container {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero__cover {
                max-width: 200px;
                aspect-ratio: 3/4;
                padding: 16px;
            }
            .hero__content h1 {
                font-size: 28px;
            }
            .hero__subtitle {
                font-size: 15px;
            }
            .hero__form {
                flex-direction: column;
            }
            .hero__form input {
                min-width: auto;
                width: 100%;
            }
            .hero__form .btn {
                width: 100%;
            }
        }

        /* ========== 指标看板 ========== */
        .stats-bar {
            background: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border-strong);
            padding: 0;
            position: relative;
            z-index: 10;
        }
        .stats-bar__grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
        }
        .stats-bar__item {
            text-align: center;
            padding: 28px 16px;
            position: relative;
            transition: background var(--transition-fast);
        }
        .stats-bar__item:not(:last-child)::after {
            content: '';
            position: absolute;
            right: 0;
            top: 20%;
            height: 60%;
            width: 1px;
            background: var(--color-border-strong);
        }
        .stats-bar__number {
            font-family: var(--font-heading);
            font-size: 36px;
            font-weight: 700;
            color: var(--color-primary);
            display: block;
            line-height: 1;
            margin-bottom: 6px;
            transition: color var(--transition-fast);
        }
        .stats-bar__number .gold-shimmer {
            color: var(--color-accent);
            display: inline-block;
            animation: goldShimmer 3s ease-in-out infinite;
        }
        @keyframes goldShimmer {
            0%,
            100% {
                filter: brightness(1);
            }
            50% {
                filter: brightness(1.3);
            }
        }
        .stats-bar__label {
            font-size: 13px;
            color: var(--color-text-muted);
            font-weight: 500;
            letter-spacing: 0.5px;
        }
        @media (max-width: 768px) {
            .stats-bar__grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-bar__item:nth-child(2)::after {
                display: none;
            }
            .stats-bar__item:nth-child(3)::after {
                display: block;
            }
            .stats-bar__item {
                padding: 20px 12px;
            }
            .stats-bar__number {
                font-size: 28px;
            }
        }
        @media (max-width: 520px) {
            .stats-bar__number {
                font-size: 24px;
            }
            .stats-bar__label {
                font-size: 12px;
            }
        }

        /* ========== 服务矩阵 - 非对称卡片网格 ========== */
        .services {
            background: var(--color-bg);
        }
        .services__grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .services__card {
            background: var(--color-bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            cursor: pointer;
        }
        .services__card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(201, 169, 110, 0.25);
        }
        .services__card--large {
            grid-column: span 2;
        }
        .services__card--tall {
            grid-row: span 2;
        }
        .services__card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            display: block;
        }
        .services__card--large .services__card-img {
            aspect-ratio: 21/9;
        }
        .services__card--tall .services__card-img {
            aspect-ratio: 4/5;
        }
        .services__card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .services__card h3 {
            font-size: 18px;
            margin-bottom: 6px;
            color: var(--color-primary);
        }
        .services__card p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .services__card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: 12px;
        }
        .tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 14px;
            background: rgba(26, 60, 52, 0.06);
            color: var(--color-primary);
            letter-spacing: 0.5px;
            transition: all var(--transition-fast);
        }
        .tag--gold {
            background: rgba(201, 169, 110, 0.15);
            color: #8B6D30;
        }
        .tag--hot {
            background: rgba(200, 60, 50, 0.1);
            color: #C83C32;
        }
        @media (max-width: 1024px) {
            .services__grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services__card--large {
                grid-column: span 2;
            }
            .services__card--tall {
                grid-row: span 1;
            }
            .services__card--tall .services__card-img {
                aspect-ratio: 16/9;
            }
        }
        @media (max-width: 768px) {
            .services__grid {
                grid-template-columns: 1fr;
            }
            .services__card--large {
                grid-column: span 1;
            }
            .services__card--large .services__card-img {
                aspect-ratio: 16/9;
            }
        }

        /* ========== 品牌故事 ========== */
        .brand-story {
            background: var(--color-primary);
            color: #FFFFFF;
            position: relative;
            overflow: hidden;
        }
        .brand-story::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(201, 169, 110, 0.08);
            z-index: 0;
        }
        .brand-story__inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .brand-story__text h2 {
            color: #FFFFFF;
            margin-bottom: 16px;
        }
        .brand-story__text p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 12px;
        }
        .brand-story__highlight {
            display: inline-block;
            color: var(--color-accent);
            font-weight: 600;
            font-size: 28px;
            margin-top: 8px;
        }
        .brand-story__visual {
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-lg);
            padding: 32px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
        }
        .brand-story__visual img {
            border-radius: var(--radius-md);
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            opacity: 0.85;
        }
        @media (max-width: 768px) {
            .brand-story__inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .brand-story__highlight {
                font-size: 22px;
            }
        }

        /* ========== 结果对比 ========== */
        .compare {
            background: var(--color-bg-white);
        }
        .compare__grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            max-width: 900px;
            margin: 0 auto;
        }
        .compare__card {
            border-radius: var(--radius-lg);
            padding: 32px;
            border: 2px solid var(--color-border-strong);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .compare__card--us {
            border-color: var(--color-accent);
            background: rgba(201, 169, 110, 0.04);
            box-shadow: var(--shadow-md);
        }
        .compare__card--us::before {
            content: '推荐';
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--color-accent);
            color: var(--color-primary);
            font-size: 11px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 12px;
            letter-spacing: 1px;
        }
        .compare__card--other {
            opacity: 0.7;
            background: #FAFAFA;
        }
        .compare__card h3 {
            font-size: 20px;
            margin-bottom: 16px;
            color: var(--color-primary);
        }
        .compare__list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .compare__list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            line-height: 1.5;
            color: var(--color-text-body);
        }
        .compare__icon {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            font-weight: 700;
            margin-top: 2px;
        }
        .compare__icon--check {
            background: rgba(45, 139, 78, 0.15);
            color: #2D8B4E;
        }
        .compare__icon--cross {
            background: rgba(200, 60, 50, 0.1);
            color: #C83C32;
        }
        .compare__data-bar {
            margin-top: 16px;
            height: 6px;
            border-radius: 3px;
            background: #E8E5E0;
            overflow: hidden;
        }
        .compare__data-fill {
            height: 100%;
            border-radius: 3px;
            transition: width 1s ease;
        }
        .compare__data-fill--gold {
            background: var(--color-accent);
            width: 92%;
        }
        .compare__data-fill--gray {
            background: #C0BDB8;
            width: 45%;
        }
        @media (max-width: 768px) {
            .compare__grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ========== 保障图标条 ========== */
        .guarantee {
            background: var(--color-bg);
            padding: 48px 0;
        }
        .guarantee__grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .guarantee__item {
            padding: 24px 16px;
            transition: transform var(--transition-fast);
        }
        .guarantee__item:hover {
            transform: translateY(-2px);
        }
        .guarantee__icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 14px;
            border-radius: 50%;
            background: rgba(26, 60, 52, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--color-primary);
            transition: all var(--transition-smooth);
        }
        .guarantee__item:hover .guarantee__icon {
            background: rgba(201, 169, 110, 0.2);
            color: var(--color-accent-hover);
        }
        .guarantee__item h4 {
            font-size: 15px;
            color: var(--color-primary);
            margin-bottom: 4px;
        }
        .guarantee__item p {
            font-size: 12px;
            color: var(--color-text-muted);
            line-height: 1.5;
        }
        @media (max-width: 768px) {
            .guarantee__grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .guarantee__grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .guarantee__item {
                padding: 16px 8px;
            }
        }

        /* ========== 客户证言 ========== */
        .testimonials {
            background: var(--color-bg-white);
        }
        .testimonials__grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .testimonial-card {
            background: var(--color-bg-light);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--color-border);
            transition: all var(--transition-smooth);
            position: relative;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .testimonial-card__quote {
            font-size: 14px;
            color: var(--color-text-body);
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
            position: relative;
            padding-left: 20px;
        }
        .testimonial-card__quote::before {
            content: '"';
            position: absolute;
            left: 0;
            top: -4px;
            font-size: 36px;
            color: var(--color-accent);
            font-weight: 700;
            line-height: 1;
            font-style: normal;
            opacity: 0.6;
        }
        .testimonial-card__author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-card__avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            object-fit: cover;
            background: #E0DCD5;
            flex-shrink: 0;
        }
        .testimonial-card__name {
            font-weight: 600;
            font-size: 14px;
            color: var(--color-primary);
        }
        .testimonial-card__role {
            font-size: 12px;
            color: var(--color-text-muted);
        }
        @media (max-width: 1024px) {
            .testimonials__grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .testimonials__grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 资讯区 ========== */
        .news {
            background: var(--color-bg);
        }
        .news__layout {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 32px;
        }
        .news__list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news__item {
            display: flex;
            align-items: baseline;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid var(--color-border-strong);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .news__item:hover {
            padding-left: 6px;
            border-bottom-color: var(--color-accent);
        }
        .news__item:last-child {
            border-bottom: none;
        }
        .news__item-date {
            font-size: 12px;
            color: var(--color-text-muted);
            white-space: nowrap;
            flex-shrink: 0;
            font-weight: 500;
        }
        .news__item-title {
            font-size: 15px;
            color: var(--color-text);
            font-weight: 500;
            line-height: 1.5;
            transition: color var(--transition-fast);
        }
        .news__item:hover .news__item-title {
            color: var(--color-accent);
        }
        .news__item-tag {
            font-size: 10px;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 10px;
            background: rgba(201, 169, 110, 0.15);
            color: #8B6D30;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .news__sidebar {
            background: var(--color-bg-white);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--color-border);
            height: fit-content;
            position: sticky;
            top: calc(var(--header-height) + 24px);
        }
        .news__sidebar h3 {
            font-size: 17px;
            margin-bottom: 14px;
            color: var(--color-primary);
        }
        .news__sidebar-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .news__sidebar-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--color-text-body);
            padding: 8px 0;
            border-bottom: 1px solid var(--color-border);
            cursor: pointer;
            transition: color var(--transition-fast);
        }
        .news__sidebar-item:hover {
            color: var(--color-accent);
        }
        .news__sidebar-item:last-child {
            border-bottom: none;
        }
        .news__sidebar-num {
            font-weight: 700;
            color: var(--color-accent);
            font-size: 16px;
            flex-shrink: 0;
            width: 28px;
        }
        @media (max-width: 768px) {
            .news__layout {
                grid-template-columns: 1fr;
            }
            .news__sidebar {
                position: static;
                order: -1;
            }
        }

        /* ========== 合集目录 ========== */
        .collections {
            background: var(--color-bg-white);
        }
        .collections__grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .collection-card {
            background: var(--color-bg-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--color-border);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }
        .collection-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(201, 169, 110, 0.3);
        }
        .collection-card__img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }
        .collection-card__body {
            padding: 18px;
        }
        .collection-card h4 {
            font-size: 16px;
            color: var(--color-primary);
            margin-bottom: 4px;
        }
        .collection-card__count {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-bottom: 10px;
        }
        .collection-card__link {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }
        .collection-card:hover .collection-card__link {
            gap: 8px;
        }
        @media (max-width: 768px) {
            .collections__grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .collections__grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 安全体系 ========== */
        .security {
            background: var(--color-bg);
        }
        .security__grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .security-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-md);
            padding: 28px;
            border: 1px solid var(--color-border);
            text-align: center;
            transition: all var(--transition-smooth);
        }
        .security-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .security-card__icon {
            width: 60px;
            height: 60px;
            margin: 0 auto 16px;
            border-radius: 50%;
            background: rgba(26, 60, 52, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: var(--color-primary);
            transition: all var(--transition-smooth);
        }
        .security-card:hover .security-card__icon {
            background: var(--color-primary);
            color: #FFFFFF;
        }
        .security-card h4 {
            font-size: 16px;
            color: var(--color-primary);
            margin-bottom: 6px;
        }
        .security-card p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .security__grid {
                grid-template-columns: 1fr;
                max-width: 400px;
                margin: 0 auto;
            }
        }

        /* ========== FAQ ========== */
        .faq {
            background: var(--color-bg-white);
        }
        .faq__list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .faq__item {
            border: 1px solid var(--color-border-strong);
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--color-bg-light);
            transition: all var(--transition-smooth);
        }
        .faq__item:hover {
            border-color: rgba(201, 169, 110, 0.3);
        }
        .faq__question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            text-align: left;
            cursor: pointer;
            transition: background var(--transition-fast);
            background: none;
            border: none;
            font-family: var(--font-heading);
            line-height: 1.4;
        }
        .faq__question:hover {
            background: rgba(201, 169, 110, 0.04);
        }
        .faq__icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(26, 60, 52, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
            transition: all var(--transition-smooth);
        }
        .faq__item.open .faq__icon {
            transform: rotate(180deg);
            background: var(--color-accent);
            color: var(--color-primary);
        }
        .faq__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-smooth);
        }
        .faq__item.open .faq__answer {
            max-height: 300px;
        }
        .faq__answer-inner {
            padding: 0 20px 20px;
            font-size: 14px;
            color: var(--color-text-body);
            line-height: 1.7;
            background: #F8F7F5;
            margin: 0 12px 12px;
            border-radius: var(--radius-sm);
        }
        @media (max-width: 768px) {
            .faq__question {
                font-size: 15px;
                padding: 16px;
            }
            .faq__answer-inner {
                margin: 0 8px 8px;
                padding: 0 14px 14px;
            }
        }

        /* ========== CTA 转化表单 ========== */
        .cta-section {
            background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            left: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(201, 169, 110, 0.1);
            z-index: 0;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            right: -30px;
            width: 250px;
            height: 250px;
            border-radius: 50%;
            background: rgba(201, 169, 110, 0.06);
            z-index: 0;
        }
        .cta-section__inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 600px;
            margin: 0 auto;
        }
        .cta-section h2 {
            color: #FFFFFF;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 16px;
            margin-bottom: 28px;
            line-height: 1.6;
        }
        .cta-section__form {
            display: flex;
            gap: 10px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-section__form input {
            flex: 1;
            min-width: 220px;
            padding: 14px 20px;
            border-radius: var(--radius-sm);
            background: #FFFFFF;
            color: var(--color-text);
            font-size: 15px;
            border: 2px solid transparent;
            box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.06);
            transition: all var(--transition-fast);
        }
        .cta-section__form input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(201, 169, 110, 0.2), inset 0 1px 4px rgba(0, 0, 0, 0.06);
        }
        .cta-section__hint {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 14px;
        }
        .btn--glow {
            position: relative;
            overflow: hidden;
        }
        .btn--glow::after {
            content: '';
            position: absolute;
            top: -50%;
            left: -60%;
            width: 40%;
            height: 200%;
            background: rgba(255, 255, 255, 0.25);
            transform: rotate(25deg);
            transition: left 0.5s ease;
        }
        .btn--glow:hover::after {
            left: 120%;
        }
        @media (max-width: 768px) {
            .cta-section__form {
                flex-direction: column;
                align-items: center;
            }
            .cta-section__form input {
                width: 100%;
                min-width: auto;
            }
            .cta-section__form .btn {
                width: 100%;
            }
        }

        /* ========== FOOTER ========== */
        .footer {
            background: #0F1A17;
            color: rgba(255, 255, 255, 0.65);
            padding: 48px 0 24px;
        }
        .footer__grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer__col h4 {
            color: #FFFFFF;
            font-size: 15px;
            margin-bottom: 14px;
            font-weight: 600;
        }
        .footer__col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer__col ul li {
            font-size: 13px;
        }
        .footer__col ul li a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
        }
        .footer__col ul li a:hover {
            color: var(--color-accent);
        }
        .footer__brand {
            font-size: 16px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 8px;
        }
        .footer__brand-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.6;
        }
        .footer__bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            text-align: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }
        @media (max-width: 768px) {
            .footer__grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* ========== 动画辅助 ========== */
        .fade-in-up {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .fade-in-up.visible {
            opacity: 1;
            transform: translateY(0);
        }
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }