/* ========== 设计变量 ========== */
        :root {
            --primary: #c19a5b;
            --primary-dark: #9a7a42;
            --primary-light: #e8d3ac;
            --accent: #b4533f;
            --dark: #1c1b1f;
            --dark-2: #26242a;
            --bg: #faf7f2;
            --bg-alt: #f2ece2;
            --text: #2d2a26;
            --muted: #78716b;
            --line: #e6dfd4;
            --white: #ffffff;
            --radius: 18px;
            --radius-sm: 12px;
            --shadow: 0 10px 30px rgba(28, 27, 31, .08);
            --shadow-lg: 0 20px 50px rgba(28, 27, 31, .14);
            --shadow-gold: 0 12px 36px rgba(193, 154, 91, .28);
            --transition: all .35s cubic-bezier(.4, 0, .2, 1);
            --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", -apple-system, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 120px;
        }

        body {
            font-family: var(--font);
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            letter-spacing: .01em;
            -webkit-font-smoothing: antialiased;
        }

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

        a:hover {
            color: var(--primary-dark);
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: none;
        }

        ul,
        ol {
            list-style: none;
        }

        /* ========== 容器与通用布局 ========== */
        .container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section-pad {
            padding: 96px 0;
        }

        .section-head {
            margin-bottom: 56px;
        }

        .section-head .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: .12em;
            color: var(--primary-dark);
            background: rgba(193, 154, 91, .12);
            border-radius: 999px;
            padding: 6px 18px;
            margin-bottom: 18px;
            border: 1px solid rgba(193, 154, 91, .2);
        }

        .section-head h2 {
            font-size: clamp(28px, 4vw, 42px);
            font-weight: 700;
            line-height: 1.3;
            color: var(--dark);
            margin-bottom: 14px;
        }

        .section-head p {
            font-size: 16px;
            color: var(--muted);
            max-width: 720px;
            margin: 0;
            line-height: 1.8;
        }

        /* ========== 按钮 ========== */
        .btn {
            border-radius: 999px;
            font-weight: 600;
            padding: 12px 30px;
            transition: var(--transition);
            border: 2px solid transparent;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            justify-content: center;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: var(--shadow-gold);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 18px 40px rgba(193, 154, 91, .35);
        }

        .btn-primary:active {
            transform: translateY(-1px) scale(.98);
        }

        .btn-outline {
            background: transparent;
            color: var(--dark);
            border-color: var(--line);
            backdrop-filter: blur(4px);
        }

        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary-dark);
            background: rgba(193, 154, 91, .06);
            transform: translateY(-2px);
        }

        .btn-light {
            background: #fff;
            color: var(--dark);
            border-color: #fff;
            box-shadow: 0 8px 24px rgba(0, 0, 0, .12);
        }

        .btn-light:hover {
            background: var(--primary-light);
            border-color: var(--primary-light);
            color: var(--dark);
            transform: translateY(-2px);
        }

        .btn-lg {
            padding: 15px 40px;
            font-size: 16px;
        }

        /* ========== Header 双层导航 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1080;
            background: rgba(255, 252, 247, .92);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--line);
            transition: var(--transition);
        }

        .site-header.is-scrolled {
            background: rgba(255, 252, 247, .98);
            box-shadow: 0 8px 30px rgba(28, 27, 31, .08);
        }

        .site-header.is-scrolled .header-top {
            padding: 8px 0;
        }

        .site-header.is-scrolled .header-nav {
            display: none;
        }

        .site-header:not(.is-scrolled) .header-top {
            padding: 20px 0 14px;
        }

        .header-top {
            transition: padding .35s ease;
            border-bottom: 1px solid rgba(230, 223, 212, .7);
        }

        .header-top .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

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

        .brand-main {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: .02em;
            color: var(--dark);
            background: linear-gradient(120deg, var(--dark) 0%, var(--primary-dark) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
        }

        .brand-sub {
            font-size: 12px;
            color: var(--muted);
            letter-spacing: .08em;
            margin-top: 2px;
            font-weight: 500;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .header-search {
            position: relative;
        }

        .header-search input {
            width: 220px;
            border: 1px solid var(--line);
            background: #fff;
            border-radius: 999px;
            padding: 9px 40px 9px 18px;
            font-size: 14px;
            transition: var(--transition);
        }

        .header-search input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(193, 154, 91, .15);
            width: 260px;
        }

        .header-search .fa-magnifying-glass {
            position: absolute;
            right: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--muted);
            font-size: 14px;
            pointer-events: none;
        }

        .header-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .nav-links {
            display: flex;
            gap: 8px;
            padding: 8px 0;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 20px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            transition: var(--transition);
        }

        .nav-links a:hover {
            color: var(--primary-dark);
            background: rgba(193, 154, 91, .08);
        }

        .nav-links a.active {
            background: var(--dark);
            color: #fff;
            box-shadow: 0 6px 18px rgba(28, 27, 31, .2);
        }

        .nav-links a.active:hover {
            background: var(--dark-2);
            color: #fff;
        }

        .nav-aside {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .nav-aside .nav-link-small {
            font-size: 14px;
            color: var(--muted);
            padding: 6px 0;
            border-bottom: 2px solid transparent;
        }

        .nav-aside .nav-link-small:hover {
            color: var(--primary-dark);
            border-bottom-color: var(--primary);
        }

        .header-top-cta {
            padding: 9px 22px;
            font-size: 14px;
            border-radius: 999px;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--dark);
            cursor: pointer;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .mobile-toggle:hover {
            background: rgba(193, 154, 91, .1);
        }

        .mobile-menu {
            display: none;
            background: #fff;
            border-top: 1px solid var(--line);
            padding: 16px 24px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, .08);
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu a {
            display: block;
            padding: 13px 10px;
            border-radius: 12px;
            font-weight: 500;
            color: var(--text);
            border-bottom: 1px solid #f5f0e8;
        }

        .mobile-menu a:last-child {
            border-bottom: none;
        }

        .mobile-menu a:hover {
            background: var(--bg);
            color: var(--primary-dark);
        }

        .mobile-menu a.active {
            color: var(--primary-dark);
            background: rgba(193, 154, 91, .08);
        }

        /* ========== Hero ========== */
        .hero {
            position: relative;
            padding: 190px 0 120px;
            background: linear-gradient(135deg, #f5efe6 0%, #faf7f2 55%, #f0e7da 100%);
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(193, 154, 91, .18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -160px;
            left: 30%;
            width: 500px;
            height: 400px;
            background: radial-gradient(ellipse, rgba(180, 83, 63, .08) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero .container {
            position: relative;
            z-index: 2;
        }

        .hero-row {
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(193, 154, 91, .12);
            border: 1px solid rgba(193, 154, 91, .25);
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .06em;
            padding: 7px 18px;
            border-radius: 999px;
            margin-bottom: 26px;
        }

        .hero-badge i {
            font-size: 12px;
        }

        .hero h1 {
            font-size: clamp(30px, 4.5vw, 52px);
            font-weight: 800;
            line-height: 1.28;
            color: var(--dark);
            letter-spacing: -.01em;
            margin-bottom: 20px;
        }

        .hero h1 .hl-color {
            color: var(--primary-dark);
            position: relative;
            white-space: nowrap;
        }

        .hero-desc {
            font-size: 16px;
            line-height: 1.9;
            color: var(--muted);
            max-width: 520px;
            margin-bottom: 32px;
        }

        .hero-cta {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .hero-kpi {
            display: flex;
            gap: 36px;
            flex-wrap: wrap;
            padding-top: 32px;
            border-top: 1px solid rgba(230, 223, 212, .8);
        }

        .hero-kpi .kpi-item {
            display: flex;
            flex-direction: column;
        }

        .hero-kpi .kpi-num {
            font-size: 30px;
            font-weight: 800;
            color: var(--dark);
            font-family: inherit;
            line-height: 1.2;
        }

        .hero-kpi .kpi-num span {
            color: var(--primary-dark);
        }

        .hero-kpi .kpi-label {
            font-size: 13px;
            color: var(--muted);
            margin-top: 4px;
            letter-spacing: .04em;
        }

        .hero-visual {
            position: relative;
            padding-left: 20px;
            padding-top: 40px;
        }

        .hero-visual::before {
            content: '';
            position: absolute;
            top: 16px;
            right: 8px;
            left: 36px;
            bottom: 16px;
            border: 2px solid var(--primary);
            border-radius: 30px;
            transform: rotate(3deg);
            opacity: .5;
        }

        .hero-visual .main-img {
            position: relative;
            z-index: 2;
            border-radius: 24px;
            box-shadow: var(--shadow-lg);
            transform: rotate(-2deg) translateY(10px);
            transition: var(--transition);
            width: 100%;
            height: 520px;
            object-fit: cover;
        }

        .hero-visual .main-img:hover {
            transform: rotate(0deg) translateY(0);
        }

        .hero-float-card {
            position: absolute;
            z-index: 3;
            background: rgba(255, 255, 255, .95);
            backdrop-filter: blur(12px);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-lg);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 14px;
            border: 1px solid rgba(255, 255, 255, .8);
        }

        .hero-float-card .icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            flex-shrink: 0;
        }

        .hero-float-card .fc-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.3;
        }

        .hero-float-card .fc-sub {
            font-size: 12px;
            color: var(--muted);
            line-height: 1.4;
        }

        .float-card-1 {
            top: 70px;
            right: -12px;
            animation: floatY 5s ease-in-out infinite;
        }

        .float-card-2 {
            bottom: 40px;
            left: -8px;
            animation: floatY 6.5s .8s ease-in-out infinite;
        }

        @keyframes floatY {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-12px);
            }
        }

        /* ========== 资料目录 ========== */
        .directory {
            background: var(--bg);
        }

        .directory-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }

        .dir-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            min-height: 300px;
            display: flex;
            align-items: flex-end;
            border: none;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .dir-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

        .dir-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }

        .dir-card:hover img {
            transform: scale(1.08);
        }

        .dir-card .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(28, 27, 31, 0) 30%, rgba(28, 27, 31, .88) 100%);
            z-index: 1;
        }

        .dir-card .content {
            position: relative;
            z-index: 2;
            padding: 28px 24px;
            width: 100%;
            color: #fff;
        }

        .dir-card .content .icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: rgba(255, 255, 255, .16);
            backdrop-filter: blur(8px);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
            border: 1px solid rgba(255, 255, 255, .2);
        }

        .dir-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .dir-card p {
            font-size: 14px;
            line-height: 1.6;
            color: rgba(255, 255, 255, .85);
            margin: 0;
        }

        .dir-card .arrow {
            position: absolute;
            top: 20px;
            right: 20px;
            z-index: 2;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .18);
            backdrop-filter: blur(8px);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 15px;
            border: 1px solid rgba(255, 255, 255, .3);
            transition: var(--transition);
            opacity: 0;
            transform: translateY(-8px);
        }

        .dir-card:hover .arrow {
            opacity: 1;
            transform: translateY(0);
        }

        /* ========== 价值点 ========== */
        .why {
            background: var(--bg-alt);
            position: relative;
            overflow: hidden;
        }

        .value-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .value-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 36px 32px;
            border: 1px solid rgba(230, 223, 212, .7);
            box-shadow: 0 4px 20px rgba(0, 0, 0, .04);
            display: flex;
            gap: 22px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .value-card::after {
            content: '';
            position: absolute;
            right: -40px;
            bottom: -40px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(193, 154, 91, .06);
            transition: var(--transition);
        }

        .value-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow);
            border-color: rgba(193, 154, 91, .3);
        }

        .value-card:hover::after {
            transform: scale(1.8);
            background: rgba(193, 154, 91, .1);
        }

        .value-icon {
            flex-shrink: 0;
            width: 60px;
            height: 60px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(193, 154, 91, .12), rgba(193, 154, 91, .25));
            color: var(--primary-dark);
            font-size: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(193, 154, 91, .15);
        }

        .value-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
        }

        .value-card p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.7;
            margin: 0;
            position: relative;
            z-index: 1;
        }

        /* ========== 数据指标 ========== */
        .stats {
            background: var(--dark);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .stats::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(193, 154, 91, .15) 0%, transparent 70%);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .stat-item {
            padding: 20px;
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, .08);
            background: rgba(255, 255, 255, .03);
            transition: var(--transition);
        }

        .stat-item:hover {
            background: rgba(255, 255, 255, .06);
            transform: translateY(-4px);
            border-color: rgba(193, 154, 91, .3);
        }

        .stat-num {
            font-size: 42px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            display: block;
        }

        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
            margin-top: 8px;
            letter-spacing: .06em;
        }

        /* ========== 保障图标条 ========== */
        .assurance {
            background: var(--bg);
            border-bottom: 1px solid var(--line);
            padding: 56px 0;
        }

        .assurance-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }

        .assurance-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 20px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .assurance-item:hover {
            background: #fff;
            box-shadow: var(--shadow);
        }

        .assurance-item .icon {
            flex-shrink: 0;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: rgba(193, 154, 91, .12);
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            border: 1px solid rgba(193, 154, 91, .18);
        }

        .assurance-item h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 4px;
        }

        .assurance-item p {
            font-size: 13px;
            color: var(--muted);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== 资讯区 ========== */
        .news {
            background: var(--bg);
        }

        .news-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: 48px;
        }

        .news-list {
            position: relative;
        }

        .news-list::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(180deg, var(--primary-light), var(--line));
        }

        .news-item {
            position: relative;
            padding-left: 42px;
            padding-bottom: 30px;
        }

        .news-item::before {
            content: '';
            position: absolute;
            left: 3px;
            top: 8px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid #fff;
            box-shadow: 0 0 0 2px var(--primary-light);
            z-index: 1;
        }

        .news-item .news-date {
            display: inline-block;
            font-size: 13px;
            color: var(--muted);
            background: rgba(193, 154, 91, .1);
            border-radius: 999px;
            padding: 3px 14px;
            margin-bottom: 10px;
            font-weight: 500;
            letter-spacing: .04em;
        }

        .news-item h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 6px;
            line-height: 1.5;
        }

        .news-item h3 a {
            color: var(--dark);
        }

        .news-item h3 a:hover {
            color: var(--primary-dark);
        }

        .news-item p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.6;
            margin: 0;
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .side-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--line);
            padding: 30px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, .04);
            transition: var(--transition);
        }

        .side-card:hover {
            box-shadow: var(--shadow);
            border-color: rgba(193, 154, 91, .25);
        }

        .side-card .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .side-card .card-title .icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
        }

        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .rank-item {
            display: flex;
            gap: 14px;
            align-items: center;
            padding: 12px;
            border-radius: 12px;
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .rank-item:hover {
            background: var(--bg);
            border-color: var(--line);
        }

        .rank-num {
            flex-shrink: 0;
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: rgba(193, 154, 91, .12);
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
        }

        .rank-item:nth-child(1) .rank-num {
            background: var(--primary);
            color: #fff;
        }

        .rank-item:nth-child(2) .rank-num {
            background: rgba(180, 83, 63, .15);
            color: var(--accent);
        }

        .rank-item:nth-child(3) .rank-num {
            background: rgba(28, 27, 31, .08);
            color: var(--dark);
        }

        .rank-info h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 2px;
            line-height: 1.4;
        }

        .rank-info p {
            font-size: 13px;
            color: var(--muted);
            margin: 0;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-cloud .tag {
            display: inline-block;
            padding: 7px 16px;
            border-radius: 999px;
            font-size: 13px;
            background: var(--bg-alt);
            color: var(--text);
            border: 1px solid var(--line);
            transition: var(--transition);
        }

        .tag-cloud .tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ========== 入口矩阵 ========== */
        .matrix {
            background: var(--bg-alt);
        }

        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .matrix-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 36px 30px;
            text-align: center;
            border: 1px solid var(--line);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .matrix-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }

        .matrix-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

        .matrix-card:hover::before {
            opacity: 1;
        }

        .matrix-card .matrix-icon {
            width: 76px;
            height: 76px;
            margin: 0 auto 24px;
            border-radius: 22px;
            background: linear-gradient(135deg, rgba(193, 154, 91, .15), rgba(193, 154, 91, .3));
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 30px;
            transition: var(--transition);
        }

        .matrix-card:hover .matrix-icon {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            transform: scale(1.08) rotate(-4deg);
        }

        .matrix-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--dark);
        }

        .matrix-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .matrix-card .matrix-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            color: var(--primary-dark);
        }

        .matrix-card .matrix-link i {
            transition: transform .3s ease;
        }

        .matrix-card:hover .matrix-link i {
            transform: translateX(6px);
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg);
        }

        .faq-wrapper {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            margin-bottom: 16px;
            border-radius: var(--radius-sm);
            background: #fff;
            border: 1px solid var(--line);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(193, 154, 91, .35);
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 22px 28px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
            cursor: pointer;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(193, 154, 91, .12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--primary-dark);
            transition: var(--transition);
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }

        .faq-answer {
            display: none;
            padding: 0 28px 24px;
            font-size: 15px;
            color: var(--muted);
            line-height: 1.85;
        }

        .faq-item.active .faq-answer {
            display: block;
            animation: fadeInUp .4s ease;
        }

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

        /* ========== 留资下载 ========== */
        .lead {
            background: linear-gradient(rgba(28, 27, 31, .78), rgba(28, 27, 31, .88)),
                url('/assets/images/backpic/back-1.webp') center center / cover fixed;
            position: relative;
            color: #fff;
        }

        .lead-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }

        .lead-copy h2 {
            font-size: clamp(28px, 4vw, 42px);
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            line-height: 1.3;
        }

        .lead-copy p {
            font-size: 16px;
            color: rgba(255, 255, 255, .8);
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .lead-points {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .lead-point {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 15px;
            color: rgba(255, 255, 255, .85);
        }

        .lead-point i {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(193, 154, 91, .2);
            color: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            flex-shrink: 0;
        }

        .lead-form-wrap {
            background: #fff;
            border-radius: 24px;
            padding: 40px;
            box-shadow: var(--shadow-lg);
        }

        .lead-form-wrap h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .lead-form-wrap .sub {
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 30px;
        }

        .form-control {
            border-radius: 12px;
            border: 1.5px solid var(--line);
            padding: 12px 16px;
            font-size: 15px;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(193, 154, 91, .15);
        }

        .form-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .lead-form-wrap .btn {
            width: 100%;
            margin-top: 10px;
        }

        .form-note {
            font-size: 13px;
            color: var(--muted);
            margin-top: 14px;
            text-align: center;
            line-height: 1.5;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, .7);
            padding: 80px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 60px;
            padding-bottom: 50px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }

        .footer-brand .brand {
            margin-bottom: 20px;
        }

        .footer-brand .brand-main {
            color: #fff;
            background: linear-gradient(120deg, #fff, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            font-size: 22px;
        }

        .footer-brand .brand-sub {
            color: rgba(255, 255, 255, .5);
        }

        .footer-brand p {
            font-size: 15px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .6);
            max-width: 360px;
            margin-bottom: 24px;
        }

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: rgba(255, 255, 255, .08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, .7);
            font-size: 16px;
            transition: var(--transition);
        }

        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-4px);
        }

        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 22px;
            letter-spacing: .04em;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-links a {
            font-size: 15px;
            color: rgba(255, 255, 255, .6);
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--primary);
            transform: translateX(4px);
        }

        .footer-links a i {
            font-size: 12px;
            color: var(--primary);
        }

        .footer-bottom {
            padding: 26px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 14px;
            color: rgba(255, 255, 255, .4);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .5);
        }

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

        /* ========== 响应式断点 ========== */
        @media (max-width: 1024px) {
            .directory-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .hero {
                padding: 170px 0 90px;
            }

            .hero-visual .main-img {
                height: 420px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .value-grid {
                grid-template-columns: 1fr;
            }

            .news-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .matrix-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .lead-grid {
                grid-template-columns: 1fr;
                gap: 48px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }

        @media (max-width: 768px) {
            .section-pad {
                padding: 70px 0;
            }

            .header-top .container {
                flex-wrap: nowrap;
            }

            .header-search {
                display: none;
            }

            .header-nav {
                display: none !important;
            }

            .mobile-toggle {
                display: flex;
            }

            .hero {
                padding: 150px 0 70px;
            }

            .hero-row {
                flex-direction: column;
            }

            .hero-visual {
                margin-top: 40px;
                padding-left: 10px;
                padding-top: 20px;
            }

            .hero-visual .main-img {
                height: 320px;
            }

            .hero-cta {
                flex-direction: column;
            }

            .hero-kpi {
                gap: 20px;
            }

            .directory-grid {
                grid-template-columns: 1fr;
            }

            .dir-card {
                min-height: 220px;
            }

            .assurance-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .matrix-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .lead-form-wrap {
                padding: 28px 22px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }

            .stat-num {
                font-size: 32px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .brand-main {
                font-size: 16px;
            }

            .brand-sub {
                font-size: 11px;
            }

            .header-top-cta {
                display: none;
            }

            .hero h1 {
                font-size: 26px;
            }

            .hero-desc {
                font-size: 15px;
            }

            .hero-kpi {
                gap: 14px;
            }

            .hero-kpi .kpi-num {
                font-size: 24px;
            }

            .float-card-2 {
                display: none;
            }

            .stats-grid {
                grid-template-columns: 1fr;
            }

            .assurance-grid {
                grid-template-columns: 1fr;
            }

            .value-card {
                flex-direction: column;
                padding: 28px 24px;
            }

            .news-list {
                padding-right: 0;
            }

            .news-item {
                padding-left: 34px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* ========== 设计变量 ========== */
        :root {
            --primary: #c19a5b;
            --primary-dark: #9a7a42;
            --primary-light: #e8d3ac;
            --accent: #b4533f;
            --dark: #1c1b1f;
            --dark-2: #26242a;
            --bg: #faf7f2;
            --bg-alt: #f2ece2;
            --text: #2d2a26;
            --muted: #78716b;
            --line: #e6dfd4;
            --white: #ffffff;
            --radius: 18px;
            --radius-sm: 12px;
            --radius-lg: 26px;
            --shadow: 0 10px 30px rgba(28, 27, 31, .08);
            --shadow-lg: 0 20px 50px rgba(28, 27, 31, .14);
            --shadow-gold: 0 12px 36px rgba(193, 154, 91, .28);
            --transition: all .35s cubic-bezier(.4, 0, .2, 1);
            --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", -apple-system, sans-serif;
        }

        /* ========== 基础 reset ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            scroll-padding-top: 140px;
        }
        body {
            font-family: var(--font);
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            letter-spacing: .01em;
            -webkit-font-smoothing: antialiased;
            margin: 0;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: none;
        }
        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        /* ========== 容器与通用布局 ========== */
        .container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section-pad {
            padding: 96px 0;
        }
        .section-head {
            margin-bottom: 56px;
        }
        .section-head .eyebrow,
        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: .12em;
            color: var(--primary-dark);
            background: rgba(193, 154, 91, .12);
            border-radius: 999px;
            padding: 6px 18px;
            margin-bottom: 18px;
            border: 1px solid rgba(193, 154, 91, .2);
        }
        .section-head h2 {
            font-size: clamp(28px, 4vw, 42px);
            font-weight: 700;
            line-height: 1.3;
            color: var(--dark);
            margin-bottom: 14px;
        }
        .section-head p {
            font-size: 16px;
            color: var(--muted);
            max-width: 720px;
            margin: 0;
            line-height: 1.8;
        }

        /* ========== 按钮 ========== */
        .btn {
            border-radius: 999px;
            font-weight: 600;
            padding: 12px 30px;
            transition: var(--transition);
            border: 2px solid transparent;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            justify-content: center;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: var(--shadow-gold);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 18px 40px rgba(193, 154, 91, .35);
        }
        .btn-primary:active {
            transform: translateY(-1px) scale(.98);
        }
        .btn-outline {
            background: transparent;
            color: var(--dark);
            border-color: var(--line);
            backdrop-filter: blur(4px);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary-dark);
            background: rgba(193, 154, 91, .06);
            transform: translateY(-2px);
        }
        .btn-light {
            background: #fff;
            color: var(--dark);
            border-color: #fff;
            box-shadow: 0 8px 24px rgba(0, 0, 0, .12);
        }
        .btn-light:hover {
            background: var(--primary-light);
            border-color: var(--primary-light);
            color: var(--dark);
            transform: translateY(-2px);
        }
        .btn-lg {
            padding: 15px 40px;
            font-size: 16px;
        }
        .btn-sm {
            padding: 9px 22px;
            font-size: 14px;
        }

        /* ========== Header 双层导航 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1080;
            background: rgba(255, 252, 247, .92);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--line);
            transition: var(--transition);
        }
        .site-header.is-scrolled {
            background: rgba(255, 252, 247, .98);
            box-shadow: 0 8px 30px rgba(28, 27, 31, .08);
        }
        .site-header.is-scrolled .header-top {
            padding: 10px 0;
        }
        .site-header.is-scrolled .header-nav {
            display: none;
        }
        .header-top {
            transition: padding .35s ease;
            border-bottom: 1px solid rgba(230, 223, 212, .7);
        }
        .site-header:not(.is-scrolled) .header-top {
            padding: 20px 0 14px;
        }
        .header-top .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .brand {
            display: flex;
            flex-direction: column;
            line-height: 1.3;
            gap: 2px;
        }
        .brand-main {
            font-size: 21px;
            font-weight: 800;
            letter-spacing: .02em;
            color: var(--dark);
            background: linear-gradient(120deg, var(--dark) 0%, var(--primary-dark) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .brand-sub {
            font-size: 12px;
            font-weight: 500;
            color: var(--muted);
            letter-spacing: .08em;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .header-nav {
            background: transparent;
            transition: var(--transition);
        }
        .header-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            min-height: 54px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links a {
            display: inline-block;
            padding: 10px 20px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            transition: var(--transition);
        }
        .nav-links a:hover {
            background: rgba(193, 154, 91, .1);
            color: var(--primary-dark);
        }
        .nav-links a.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            box-shadow: var(--shadow-gold);
        }
        .nav-aside {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-link-small {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 14px;
            color: var(--muted);
            transition: var(--transition);
        }
        .nav-link-small:hover {
            background: rgba(193, 154, 91, .1);
            color: var(--dark);
        }
        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border: 1px solid var(--line);
            border-radius: 12px;
            background: var(--white);
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            transition: var(--transition);
        }
        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--dark);
            border-radius: 2px;
            transition: var(--transition);
        }
        .site-header.nav-open .nav-toggle span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .site-header.nav-open .nav-toggle span:nth-child(2) {
            opacity: 0;
        }
        .site-header.nav-open .nav-toggle span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ========== Hero ========== */
        .hero-inner {
            position: relative;
            padding: 200px 0 90px;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
        }
        .hero-inner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(250, 247, 242, .96) 0%, rgba(250, 247, 242, .88) 45%, rgba(250, 247, 242, .55) 100%);
        }
        .hero-inner .container {
            position: relative;
            z-index: 2;
        }
        .hero-inner .eyebrow {
            margin-bottom: 20px;
        }
        .hero-inner h1 {
            font-size: clamp(30px, 4.6vw, 48px);
            font-weight: 800;
            line-height: 1.25;
            color: var(--dark);
            margin-bottom: 20px;
        }
        .hero-inner .lead {
            font-size: 18px;
            color: var(--muted);
            max-width: 540px;
            line-height: 1.85;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 36px;
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .hero-tags span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, .8);
            border: 1px solid var(--line);
            font-size: 14px;
            color: var(--text);
            box-shadow: 0 4px 14px rgba(28, 27, 31, .05);
        }
        .hero-tags span i {
            color: var(--primary-dark);
            font-size: 13px;
        }

        /* Hero 演示区 */
        .hero-demo {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(193, 154, 91, .2);
        }
        .hero-demo .demo-img {
            width: 100%;
            height: 100%;
            min-height: 360px;
            object-fit: cover;
        }
        .hero-demo::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(200deg, rgba(28, 27, 31, 0) 40%, rgba(28, 27, 31, .82) 100%);
        }
        .demo-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 2;
            padding: 32px;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
        }
        .demo-stat {
            background: rgba(255, 255, 255, .14);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, .22);
            border-radius: 14px;
            padding: 14px 10px;
            text-align: center;
            color: #fff;
            font-size: 14px;
            font-weight: 500;
            line-height: 1.4;
        }
        .demo-stat strong {
            display: block;
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 2px;
        }

        /* ========== 指标看板 ========== */
        .stats-section {
            background: var(--dark);
            padding: 64px 0;
            border-bottom: 4px solid var(--primary);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }
        .stat-item {
            text-align: center;
            padding: 12px 8px;
        }
        .stat-num {
            font-size: 46px;
            font-weight: 800;
            color: var(--primary-light);
            line-height: 1.1;
            margin-bottom: 8px;
            letter-spacing: -.02em;
        }
        .stat-label {
            font-size: 15px;
            color: rgba(255, 255, 255, .7);
            letter-spacing: .04em;
        }

        /* ========== 服务矩阵 ========== */
        .matrix-section {
            background: var(--bg);
            padding: 96px 0;
        }
        .matrix-card {
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 34px 28px;
            height: 100%;
            background: var(--white);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }
        .matrix-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
            opacity: 0;
            transition: var(--transition);
        }
        .matrix-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(193, 154, 91, .5);
        }
        .matrix-card:hover::before {
            opacity: 1;
        }
        .matrix-icon {
            width: 58px;
            height: 58px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary-dark);
            background: rgba(193, 154, 91, .12);
            margin-bottom: 22px;
            transition: var(--transition);
        }
        .matrix-card:hover .matrix-icon {
            background: var(--primary);
            color: #fff;
            transform: scale(1.05);
        }
        .matrix-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 12px;
        }
        .matrix-card p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 16px;
            flex-grow: 1;
        }
        .matrix-card ul {
            margin-bottom: 24px;
        }
        .matrix-card ul li {
            padding-left: 24px;
            position: relative;
            margin-bottom: 8px;
            font-size: 14px;
            color: var(--text);
        }
        .matrix-card ul li::before {
            content: "\f00c";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 0;
            color: var(--primary);
            font-size: 13px;
        }

        /* ========== 结果对比 ========== */
        .compare-section {
            background: var(--bg-alt);
            padding: 96px 0;
        }
        .compare-card {
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            height: 100%;
            position: relative;
        }
        .compare-before {
            background: var(--white);
            border: 1px solid var(--line);
        }
        .compare-after {
            background: var(--dark);
            color: #fff;
            overflow: hidden;
        }
        .compare-after::after {
            content: "\f058";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            right: 24px;
            bottom: 12px;
            font-size: 120px;
            color: rgba(255, 255, 255, .06);
        }
        .compare-card h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .compare-after h3 {
            color: #fff;
        }
        .compare-card h3 i {
            font-size: 20px;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .compare-before h3 i {
            background: rgba(180, 83, 63, .1);
            color: var(--accent);
        }
        .compare-after h3 i {
            background: rgba(232, 211, 172, .15);
            color: var(--primary-light);
        }
        .compare-card ul li {
            padding-left: 30px;
            position: relative;
            margin-bottom: 14px;
            font-size: 15px;
            line-height: 1.6;
        }
        .compare-before ul li {
            color: var(--muted);
        }
        .compare-before ul li::before {
            content: "\f00d";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 2px;
            color: var(--accent);
        }
        .compare-after ul li {
            color: rgba(255, 255, 255, .85);
        }
        .compare-after ul li::before {
            content: "\f00c";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 2px;
            color: var(--primary-light);
        }

        /* ========== 小贴士 ========== */
        .tips-section {
            background: var(--bg);
            padding: 96px 0;
        }
        .tip-card {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 28px;
            height: 100%;
            transition: var(--transition);
        }
        .tip-card:hover {
            box-shadow: var(--shadow);
            border-color: rgba(193, 154, 91, .4);
            transform: translateY(-4px);
        }
        .tip-card .tip-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            background: rgba(193, 154, 91, .12);
            color: var(--primary-dark);
            margin-bottom: 18px;
        }
        .tip-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
        }
        .tip-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-alt);
            padding: 96px 0;
        }
        .faq-wrapper {
            max-width: 860px;
            margin: 0 auto;
        }
        .accordion-item {
            background: var(--white);
            border: 1px solid var(--line) !important;
            border-radius: var(--radius) !important;
            overflow: hidden;
            margin-bottom: 16px;
            box-shadow: 0 4px 14px rgba(28, 27, 31, .03);
        }
        .accordion-button {
            background: var(--white);
            color: var(--dark);
            font-weight: 600;
            font-size: 16px;
            padding: 22px 28px;
            box-shadow: none;
            transition: var(--transition);
        }
        .accordion-button:not(.collapsed) {
            background: rgba(193, 154, 91, .08);
            color: var(--primary-dark);
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(193, 154, 91, .15);
        }
        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%239a7a42'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
            transition: var(--transition);
        }
        .accordion-body {
            padding: 8px 28px 24px;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.8;
        }

        /* ========== CTA / 表单 ========== */
        .cta-section {
            position: relative;
            padding: 96px 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(28, 27, 31, .86);
            backdrop-filter: blur(4px);
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-box {
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, .07);
            border: 1px solid rgba(255, 255, 255, .14);
            padding: 56px;
            backdrop-filter: blur(6px);
        }
        .cta-box .eyebrow {
            background: rgba(193, 154, 91, .2);
            border-color: rgba(193, 154, 91, .3);
            color: var(--primary-light);
        }
        .cta-box h2 {
            color: #fff;
            font-size: clamp(26px, 3.4vw, 38px);
            font-weight: 700;
            margin-bottom: 14px;
        }
        .cta-box p {
            color: rgba(255, 255, 255, .8);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 0;
        }
        .cta-form .form-control {
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .22);
            border-radius: var(--radius-sm);
            color: #fff;
            padding: 13px 18px;
            font-size: 15px;
            transition: var(--transition);
        }
        .cta-form .form-control::placeholder {
            color: rgba(255, 255, 255, .55);
        }
        .cta-form .form-control:focus {
            background: rgba(255, 255, 255, .14);
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(193, 154, 91, .2);
        }
        .cta-form textarea.form-control {
            min-height: 90px;
            resize: vertical;
        }
        .cta-form .btn-primary {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            font-size: 16px;
            padding: 14px 36px;
        }
        .cta-note {
            font-size: 13px;
            color: rgba(255, 255, 255, .6);
            margin-top: 12px;
            text-align: center;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, .75);
            padding: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 56px;
            padding: 72px 0 48px;
        }
        .footer-brand .brand {
            margin-bottom: 20px;
        }
        .footer-brand .brand-main {
            color: #fff;
            background: linear-gradient(120deg, #fff 0%, var(--primary-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            font-size: 22px;
        }
        .footer-brand .brand-sub {
            color: rgba(255, 255, 255, .6);
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
            line-height: 1.8;
            max-width: 360px;
            margin-bottom: 24px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .1);
            color: rgba(255, 255, 255, .7);
            font-size: 16px;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }
        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: .06em;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .footer-links a i {
            font-size: 12px;
            color: var(--primary);
        }
        .footer-links a:hover {
            color: var(--primary-light);
            transform: translateX(4px);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1199.98px) {
            .stats-grid {
                gap: 24px;
            }
            .stat-num {
                font-size: 36px;
            }
        }

        @media (max-width: 991.98px) {
            .section-pad,
            .matrix-section,
            .compare-section,
            .tips-section,
            .faq-section,
            .cta-section {
                padding: 70px 0;
            }
            .site-header:not(.is-scrolled) .header-top {
                padding: 14px 0;
            }
            .brand-main {
                font-size: 18px;
            }
            .brand-sub {
                font-size: 11px;
            }
            .nav-toggle {
                display: flex;
            }
            .header-nav {
                position: fixed;
                top: 0;
                left: 0;
                right: 0;
                background: var(--white);
                box-shadow: var(--shadow-lg);
                padding: 90px 24px 24px;
                transform: translateY(-100%);
                transition: var(--transition);
                opacity: 0;
                pointer-events: none;
                min-height: 100vh;
                overflow-y: auto;
                z-index: -1;
            }
            .site-header.nav-open .header-nav {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .header-nav .container {
                flex-direction: column;
                align-items: stretch;
                gap: 16px;
            }
            .nav-links {
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
            }
            .nav-links a {
                padding: 14px 20px;
                border-radius: var(--radius-sm);
                font-size: 16px;
                text-align: center;
            }
            .nav-aside {
                flex-direction: column;
                gap: 4px;
            }
            .nav-link-small {
                padding: 12px 20px;
                text-align: center;
                border-radius: var(--radius-sm);
                font-size: 14px;
                background: var(--bg-alt);
            }
            .hero-inner {
                padding: 150px 0 60px;
            }
            .hero-demo {
                margin-top: 20px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
                padding: 56px 0 36px;
            }
            .cta-box {
                padding: 36px 28px;
            }
        }

        @media (max-width: 767.98px) {
            .hero-inner h1 {
                font-size: 30px;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .hero-tags {
                gap: 8px;
            }
            .demo-overlay {
                padding: 20px;
                gap: 8px;
            }
            .demo-stat {
                padding: 10px 6px;
                font-size: 12px;
            }
            .demo-stat strong {
                font-size: 18px;
            }
            .matrix-section .col-md-6 {
                padding-left: 12px;
                padding-right: 12px;
            }
            .compare-card {
                padding: 28px 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 48px 0 28px;
            }
            .cta-box {
                padding: 28px 20px;
            }
            .cta-box .row {
                gap: 0;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-pad,
            .matrix-section,
            .compare-section,
            .tips-section,
            .faq-section,
            .cta-section {
                padding: 56px 0;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .brand-main {
                font-size: 16px;
            }
            .header-actions .btn {
                display: none;
            }
            .nav-toggle {
                width: 40px;
                height: 40px;
            }
            .hero-inner {
                padding: 130px 0 44px;
            }
            .hero-inner .lead {
                font-size: 16px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-num {
                font-size: 32px;
            }
            .stat-label {
                font-size: 13px;
            }
            .demo-overlay {
                grid-template-columns: 1fr 1fr 1fr;
            }
            .cta-box .form-control {
                font-size: 14px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}