/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --brand-coral: #FF5A4E;
            --brand-magenta: #FF2E63;
            --brand-violet: #9B4DFF;
            --brand-gradient: linear-gradient(135deg, #FF5A4E 0%, #FF2E63 50%, #9B4DFF 100%);
            --ink: #1C1B1F;
            --warm-gray: #F6F5F3;
            --cream: #FAFAF8;
            --gold: #C9A45C;
            --text-main: #2A292E;
            --text-sub: #6B6B73;
            --text-light: #B9B8BF;
            --text-white: #FFFFFF;
            --border-light: rgba(28, 27, 31, 0.1);
            --border-dark: rgba(255, 255, 255, 0.16);
            --shadow-card: 0 2px 10px rgba(28, 27, 31, 0.06);
            --shadow-hover: 0 12px 32px rgba(255, 46, 99, 0.14);
            --shadow-nav: 0 4px 24px rgba(28, 27, 31, 0.08);
            --radius-lg: 24px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --spacing-section: 88px;
            --spacing-section-mobile: 52px;
            --container: 1200px;
            --container-wide: 1280px;
            --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", -apple-system, sans-serif;
        }

        /* ===== Reset / Base ===== */
        *, *::before, *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.8;
            letter-spacing: 0.03em;
            color: var(--text-main);
            background-color: var(--warm-gray);
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul {
            list-style: none;
        }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 32px;
        }
        .container-wide {
            max-width: var(--container-wide);
            margin: 0 auto;
            padding: 0 32px;
        }
        section {
            position: relative;
        }

        /* ===== 按钮 ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--brand-gradient);
            color: var(--text-white);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.02em;
            padding: 14px 34px;
            border: none;
            border-radius: 12px;
            cursor: pointer;
            transition: filter 0.25s, transform 0.25s, box-shadow 0.25s;
            box-shadow: 0 4px 16px rgba(255, 46, 99, 0.22);
            text-align: center;
        }
        .btn-primary:hover {
            filter: brightness(1.08);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 46, 99, 0.3);
        }
        .btn-primary:focus-visible,
        .btn-secondary:focus-visible {
            outline: 2px solid var(--brand-magenta);
            outline-offset: 3px;
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--text-white);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.02em;
            padding: 14px 34px;
            border: 1.5px solid rgba(255, 255, 255, 0.7);
            border-radius: 12px;
            cursor: pointer;
            transition: background 0.25s, border-color 0.25s, transform 0.25s;
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--text-white);
            transform: translateY(-2px);
        }
        .btn-secondary:active {
            transform: translateY(0);
        }
        .btn-sm {
            padding: 10px 22px;
            font-size: 14px;
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: transparent;
            border: 1px solid var(--border-light);
            color: var(--text-main);
            font-size: 14px;
            font-weight: 500;
            padding: 10px 24px;
            border-radius: 10px;
            cursor: pointer;
            transition: background 0.25s, color 0.25s, border-color 0.25s;
        }
        .btn-ghost:hover {
            background: var(--warm-gray);
            border-color: rgba(28, 27, 31, 0.2);
        }

        /* ===== 数据徽章 ===== */
        .data-badge {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            backdrop-filter: blur(8px);
            text-align: left;
        }
        .data-badge--light {
            background: var(--cream);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
        }
        .data-badge__number {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.01em;
            background: linear-gradient(135deg, #FF8A7E, #FF6B9E, #B985FF);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            font-variant-numeric: tabular-nums;
        }
        .data-badge--dark .data-badge__number {
            background: linear-gradient(135deg, #FFA599, #FF7CAE, #CDA6FF);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .data-badge__label {
            font-size: 13px;
            color: var(--text-sub);
            margin-top: 4px;
            letter-spacing: 0.04em;
        }
        .data-badge--dark .data-badge__label {
            color: var(--text-light);
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.65);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.4);
            transition: background 0.35s, box-shadow 0.35s, border-color 0.35s;
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: var(--shadow-nav);
            border-bottom-color: rgba(28, 27, 31, 0.06);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--ink);
            white-space: nowrap;
        }
        .logo-mark {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: var(--brand-gradient);
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .logo-mark::after {
            content: "麻";
            color: #fff;
            font-size: 18px;
            font-weight: 700;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            position: relative;
            padding: 6px 0;
            transition: color 0.25s;
        }
        .main-nav a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--brand-gradient);
            border-radius: 2px;
            transition: width 0.3s;
        }
        .main-nav a:hover::after,
        .main-nav a.active::after {
            width: 100%;
        }
        .main-nav a.active {
            color: var(--brand-magenta);
            font-weight: 600;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 18px;
        }
        .nav-search {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: none;
            cursor: pointer;
            color: var(--ink);
            transition: background 0.25s;
        }
        .nav-search:hover {
            background: rgba(28, 27, 31, 0.06);
        }
        .nav-search svg {
            width: 18px;
            height: 18px;
            fill: none;
            stroke: currentColor;
            stroke-width: 2;
            stroke-linecap: round;
        }
        .nav-cta {
            padding: 10px 24px;
            font-size: 14px;
        }
        .hamburger {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: transparent;
            border: 1px solid var(--border-light);
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }
        .hamburger span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--ink);
            border-radius: 2px;
            position: relative;
            transition: background 0.3s;
        }
        .hamburger span::before,
        .hamburger span::after {
            content: "";
            position: absolute;
            left: 0;
            width: 18px;
            height: 2px;
            background: var(--ink);
            border-radius: 2px;
            transition: transform 0.3s;
        }
        .hamburger span::before { top: -6px; }
        .hamburger span::after { top: 6px; }
        .mobile-nav {
            display: none;
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100vh;
            background: var(--cream);
            z-index: 999;
            padding: 80px 32px 32px;
            flex-direction: column;
            gap: 8px;
            transition: right 0.35s ease;
            box-shadow: -8px 0 40px rgba(0,0,0,0.08);
        }
        .mobile-nav.open {
            right: 0;
        }
        .mobile-nav a {
            font-size: 20px;
            font-weight: 600;
            padding: 14px 0;
            border-bottom: 1px solid var(--border-light);
            color: var(--ink);
        }
        .mobile-nav .close-mobile {
            position: absolute;
            top: 20px;
            right: 20px;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--warm-gray);
            border: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 18px;
        }
        .mobile-nav .mobile-cta {
            margin-top: 20px;
            width: 100%;
            justify-content: center;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 92vh;
            background-image: linear-gradient(rgba(20,19,21,0.35), rgba(20,19,21,0.72)), url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center 30%;
            display: flex;
            align-items: center;
            padding: 120px 0 110px;
            overflow: hidden;
        }
        .hero::after {
            content: "";
            position: absolute;
            top: -120px;
            right: -120px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(255, 46, 99, 0.25), transparent 70%);
            pointer-events: none;
        }
        .hero-inner {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 64px;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.2);
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 13px;
            color: #E8E7EC;
            margin-bottom: 24px;
            backdrop-filter: blur(6px);
            letter-spacing: 0.04em;
        }
        .hero h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-white);
            letter-spacing: 0.02em;
            margin-bottom: 20px;
            text-shadow: 0 2px 24px rgba(0,0,0,0.2);
        }
        .hero h1 .gradient-text {
            background: linear-gradient(135deg, #FFA59B, #FF8AB2, #DDB1FF);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .hero-sub {
            font-size: 17px;
            font-weight: 400;
            line-height: 1.8;
            color: #E8E7EC;
            max-width: 520px;
            margin-bottom: 36px;
        }
        .hero-cta-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 48px;
        }
        .hero-data {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 14px;
            max-width: 520px;
        }
        .hero-right {
            position: relative;
        }
        .hero-card {
            background: rgba(255,255,255,0.07);
            border: 1px solid rgba(255,255,255,0.14);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: 0 20px 60px rgba(0,0,0,0.25);
            position: relative;
        }
        .hero-card h3 {
            color: #fff;
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .hero-card p {
            color: var(--text-light);
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 18px;
        }
        .hero-card .flow-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            color: #D9D8DE;
            font-size: 14px;
        }
        .hero-card .flow-item:last-child {
            border-bottom: none;
        }
        .flow-icon {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(255, 46, 99, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            flex-shrink: 0;
        }

        /* ===== 通用板块标题 ===== */
        .section-head {
            margin-bottom: 48px;
            max-width: 720px;
        }
        .section-head--center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .section-head .section-label {
            display: inline-block;
            background: rgba(255,46,99,0.08);
            color: var(--brand-magenta);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            letter-spacing: 0.05em;
            margin-bottom: 16px;
        }
        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--ink);
            letter-spacing: 0.02em;
            margin-bottom: 14px;
        }
        .section-head p {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-sub);
        }

        /* ===== 卖点三连 ===== */
        .features-section {
            padding: var(--spacing-section) 0;
            background: var(--warm-gray);
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            align-items: stretch;
        }
        .feature-card {
            background: var(--cream);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(28, 27, 31, 0.04);
            display: flex;
            flex-direction: column;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: var(--brand-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 22px;
            font-size: 24px;
            box-shadow: 0 6px 20px rgba(255,46,99,0.25);
        }
        .feature-card h3 {
            font-size: 21px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .feature-card p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-sub);
            flex: 1;
        }
        .feature-link {
            margin-top: 22px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-magenta);
            transition: gap 0.3s;
        }
        .feature-link:hover {
            gap: 12px;
        }

        /* ===== 场景演示 ===== */
        .scene-section {
            padding: var(--spacing-section) 0;
            background: var(--cream);
        }
        .scene-section--alt {
            background: var(--warm-gray);
        }
        .scene-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }
        .scene-block + .scene-block {
            margin-top: 88px;
        }
        .scene-media {
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            aspect-ratio: 4/3;
        }
        .scene-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .scene-copy h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.4;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .scene-copy .scene-desc {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-sub);
            margin-bottom: 20px;
        }
        .scene-points {
            margin-bottom: 24px;
        }
        .scene-points li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .check-icon {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--brand-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            margin-top: 4px;
        }
        .check-icon svg {
            width: 10px;
            height: 10px;
        }
        .scene-data {
            margin-top: 24px;
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== 社会认同 ===== */
        .testimonial-section {
            padding: var(--spacing-section) 0;
            background: #141315;
            position: relative;
            overflow: hidden;
        }
        .testimonial-section::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -80px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(255, 46, 99, 0.18), transparent 70%);
            border-radius: 50%;
        }
        .testimonial-section .section-head h2 {
            color: var(--text-white);
        }
        .testimonial-section .section-head p {
            color: var(--text-light);
        }
        .testimonial-section .section-label {
            background: rgba(255,255,255,0.1);
            color: #FFB3C7;
        }
        .testimonial-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 48px;
        }
        .testimonial-stats .data-badge {
            background: rgba(255,255,255,0.04);
        }
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .testimonial-card {
            background: var(--cream);
            border-radius: 20px;
            padding: 28px;
            position: relative;
        }
        .testimonial-card .quote-mark {
            font-size: 52px;
            line-height: 1;
            font-family: Georgia, serif;
            color: var(--brand-magenta);
            margin-bottom: 8px;
            display: block;
            height: 36px;
        }
        .testimonial-card .quote-text {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-main);
            margin-bottom: 20px;
        }
        .testimonial-card .quote-person {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .quote-person .avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            object-fit: cover;
            background: var(--warm-gray);
        }
        .quote-person .person-info {
            flex: 1;
        }
        .quote-person .person-info strong {
            display: block;
            font-size: 14px;
            color: var(--ink);
            font-weight: 600;
        }
        .quote-person .person-info span {
            font-size: 13px;
            color: var(--text-sub);
        }
        .stars {
            color: var(--gold);
            font-size: 14px;
            letter-spacing: 2px;
            margin-bottom: 10px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: var(--spacing-section) 0;
            background: var(--warm-gray);
        }
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            align-items: start;
        }
        .faq-item {
            background: var(--cream);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            padding: 0;
            overflow: hidden;
            transition: box-shadow 0.3s;
        }
        .faq-item.active {
            box-shadow: 0 4px 16px rgba(28,27,31,0.06);
            border-color: rgba(255,46,99,0.2);
        }
        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding: 22px 24px;
            background: transparent;
            border: none;
            cursor: pointer;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            letter-spacing: 0.02em;
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1.5px solid rgba(255,46,99,0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 16px;
            color: var(--brand-magenta);
            font-weight: 400;
            transition: transform 0.35s ease, background 0.3s, color 0.3s;
            position: relative;
        }
        .faq-icon::after {
            content: "";
            position: absolute;
            width: 12px;
            height: 1.5px;
            background: currentColor;
            border-radius: 2px;
        }
        .faq-icon::before {
            content: "";
            position: absolute;
            width: 1.5px;
            height: 12px;
            background: currentColor;
            border-radius: 2px;
            transition: transform 0.35s ease;
        }
        .faq-item.active .faq-icon {
            background: var(--brand-gradient);
            border-color: transparent;
            color: #fff;
        }
        .faq-item.active .faq-icon::before {
            transform: rotate(90deg);
            opacity: 0;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-sub);
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 22px;
        }

        /* ===== 底部固定转化条 ===== */
        .floating-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 900;
            background: #1C1B1F;
            border-top: 1px solid rgba(255,255,255,0.08);
            padding: 14px 0;
            transform: translateY(0);
            transition: transform 0.4s ease;
        }
        .floating-cta::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 4px;
            background: var(--brand-gradient);
        }
        .floating-cta .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .floating-cta .cta-text {
            color: #D9D8DE;
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.02em;
        }
        .floating-cta .cta-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .floating-cta .btn-close-cta {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 1px solid rgba(255,255,255,0.3);
            background: transparent;
            color: #fff;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: border-color 0.25s, color 0.25s, background 0.25s;
        }
        .floating-cta .btn-close-cta:hover {
            border-color: var(--brand-magenta);
            color: var(--brand-magenta);
            background: rgba(255,46,99,0.1);
        }
        body.fixed-cta-visible {
            padding-bottom: 72px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #141315;
            padding: 72px 0 0;
            position: relative;
            z-index: 1;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand p {
            color: var(--text-light);
            font-size: 14px;
            line-height: 1.8;
            max-width: 260px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: 0.03em;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: var(--text-light);
            font-size: 14px;
            font-weight: 400;
            line-height: 2;
            transition: color 0.25s;
        }
        .footer-col ul li a:hover {
            color: var(--brand-coral);
        }
        .footer-contact p {
            color: var(--text-light);
            font-size: 14px;
            line-height: 2;
        }
        .footer-bottom {
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom p {
            font-size: 13px;
            color: #6E6D75;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1280px) {
            .container, .container-wide {
                padding: 0 28px;
            }
        }
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-stats {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 48px;
            }
            .hero-data {
                max-width: 100%;
            }
            .scene-block {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .scene-block--reverse .scene-media {
                order: -1;
            }
            .main-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .nav-cta {
                display: none;
            }
            .mobile-nav {
                display: flex;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }
        @media (max-width: 767px) {
            :root {
                --spacing-section: var(--spacing-section-mobile);
            }
            .container, .container-wide {
                padding: 0 18px;
            }
            .hero {
                min-height: auto;
                padding: 120px 0 70px;
            }
            .hero h1 {
                font-size: 36px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .hero-data {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .hero-cta-group .btn-primary,
            .hero-cta-group .btn-secondary {
                width: 100%;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .testimonial-stats {
                grid-template-columns: repeat(2, 1fr);
            }
            .section-head h2 {
                font-size: 26px;
            }
            .scene-block + .scene-block {
                margin-top: 64px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .floating-cta .cta-text {
                font-size: 13px;
            }
            .floating-cta .btn-primary {
                padding: 10px 18px;
                font-size: 13px;
            }
            .header-inner {
                height: 60px;
            }
        }
        @media (max-width: 520px) {
            .hero-data {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .data-badge__number {
                font-size: 30px;
            }
            .data-badge {
                padding: 14px 16px;
            }
            .testimonial-stats {
                grid-template-columns: repeat(2, 1fr);
            }
            .floating-cta .cta-text {
                max-width: 140px;
                overflow: hidden;
                text-overflow: ellipsis;
                white-space: nowrap;
            }
            .faq-question {
                font-size: 15px;
                padding: 18px 18px;
            }
            .faq-answer {
                padding: 0 18px;
            }
            .faq-item.active .faq-answer {
                padding: 0 18px 18px;
            }
        }

/* roulang page: category1 */
:root {
  --brand-coral: #FF5A4E;
  --brand-magenta: #FF2E63;
  --brand-violet: #9B4DFF;
  --brand-gradient: linear-gradient(135deg, #FF5A4E 0%, #FF2E63 50%, #9B4DFF 100%);
  --ink: #1C1B1F;
  --warm-gray: #F6F5F3;
  --cream: #FAFAF8;
  --gold: #C9A45C;
  --text-main: #2A292E;
  --text-sub: #6B6B73;
  --text-light: #B9B8BF;
  --text-white: #FFFFFF;
  --border-light: rgba(28, 27, 31, 0.1);
  --border-dark: rgba(255, 255, 255, 0.16);
  --shadow-card: 0 2px 10px rgba(28, 27, 31, 0.06);
  --shadow-hover: 0 12px 32px rgba(255, 46, 99, 0.14);
  --shadow-nav: 0 4px 24px rgba(28, 27, 31, 0.08);
  --radius-lg: 24px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --spacing-section: 88px;
  --spacing-section-mobile: 52px;
  --container: 1200px;
  --container-wide: 1280px;
  --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", -apple-system, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-family);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.8;
  letter-spacing: 0.03em;
  color: var(--text-main);
  background-color: var(--warm-gray);
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s;
}
img {
  max-width: 100%;
  display: block;
}
button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}
.container-wide {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 32px;
}
section {
  position: relative;
}

/* ===== 按钮 ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--brand-gradient);
  color: var(--text-white);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 14px 34px;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: filter 0.25s, transform 0.25s, box-shadow 0.25s;
  box-shadow: 0 4px 16px rgba(255, 46, 99, 0.22);
  text-align: center;
}
.btn-primary:hover {
  filter: brightness(1.08);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 46, 99, 0.3);
}
.btn-primary:focus-visible,
.btn-secondary:focus-visible,
.btn-ghost:focus-visible {
  outline: 2px solid var(--brand-magenta);
  outline-offset: 3px;
}
.btn-primary:active {
  transform: translateY(0);
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: var(--text-white);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 14px 34px;
  border: 1.5px solid rgba(255, 255, 255, 0.7);
  border-radius: 12px;
  cursor: pointer;
  transition: background 0.25s, border-color 0.25s, transform 0.25s;
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--text-white);
  transform: translateY(-2px);
}
.btn-secondary:active {
  transform: translateY(0);
}
.btn-sm {
  padding: 10px 22px;
  font-size: 14px;
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--text-main);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 24px;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.25s, color 0.25s, border-color 0.25s;
}
.btn-ghost:hover {
  background: var(--warm-gray);
  border-color: rgba(28, 27, 31, 0.2);
}

/* ===== 数据徽章 ===== */
.data-badge {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  backdrop-filter: blur(8px);
  text-align: left;
}
.data-badge--light {
  background: var(--cream);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-card);
}
.data-badge__number {
  font-size: 42px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  background: linear-gradient(135deg, #FF8A7E, #FF6B9E, #B985FF);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-variant-numeric: tabular-nums;
}
.data-badge--dark .data-badge__number {
  background: linear-gradient(135deg, #FFA599, #FF7CAE, #CDA6FF);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.data-badge__label {
  font-size: 13px;
  color: #B9B8BF;
  margin-top: 4px;
  line-height: 1.5;
}
.data-badge--light .data-badge__label {
  color: var(--text-sub);
}

/* ===== 顶部导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: 0 2px 10px rgba(28, 27, 31, 0.04);
  transition: background 0.35s, box-shadow 0.35s, border-color 0.35s;
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: var(--shadow-nav);
  border-bottom-color: rgba(28, 27, 31, 0.08);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.logo-mark {
  display: inline-block;
  width: 28px;
  height: 28px;
  border-radius: 9px;
  background: var(--brand-gradient);
  position: relative;
  flex-shrink: 0;
}
.logo-mark::after {
  content: "";
  position: absolute;
  inset: 7px;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.9);
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.main-nav a {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  transition: background 0.25s, color 0.25s;
}
.main-nav a:hover {
  background: rgba(28, 27, 31, 0.05);
  color: var(--brand-magenta);
}
.main-nav a.active {
  background: rgba(255, 46, 99, 0.1);
  color: var(--brand-magenta);
  font-weight: 600;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.search-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: none;
  font-size: 15px;
  color: var(--text-main);
  padding: 10px 14px;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.25s;
}
.search-btn:hover {
  background: rgba(28, 27, 31, 0.05);
}
.search-btn svg {
  width: 18px;
  height: 18px;
}
.mobile-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border-light);
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
.mobile-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  position: relative;
  transition: background 0.25s;
}
.mobile-toggle span::before,
.mobile-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.3s;
}
.mobile-toggle span::before {
  top: -6px;
}
.mobile-toggle span::after {
  bottom: -6px;
}

/* ===== 页面头部区 ===== */
.page-hero {
  position: relative;
  padding: 180px 0 72px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--text-white);
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(20, 19, 21, 0.55) 0%, rgba(20, 19, 21, 0.75) 100%);
}
.page-hero .container {
  position: relative;
  z-index: 2;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 18px;
}
.breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.25s;
}
.breadcrumb a:hover {
  color: var(--text-white);
}
.breadcrumb .sep {
  color: rgba(255, 255, 255, 0.4);
}
.breadcrumb .current {
  color: var(--text-white);
}
.page-hero h1 {
  font-size: 44px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.02em;
  margin-bottom: 16px;
  max-width: 720px;
}
.page-hero h1 .highlight {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.page-hero .page-desc {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.88);
  max-width: 620px;
  margin-bottom: 32px;
}
.hero-badges {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 28px;
}
.hero-badges .data-badge {
  min-width: 140px;
}

/* ===== 分类工具条 ===== */
.catalog-section {
  padding: 48px 0 24px;
}
.catalog-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
  background: var(--cream);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  box-shadow: var(--shadow-card);
  flex-wrap: wrap;
}
.toolbar-left {
  font-size: 15px;
  color: var(--text-sub);
}
.toolbar-left strong {
  color: var(--brand-magenta);
  font-weight: 700;
}
.toolbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.sort-select {
  padding: 9px 14px;
  border: 1px solid var(--border-light);
  border-radius: 10px;
  background: var(--warm-gray);
  font-size: 14px;
  color: var(--text-main);
  cursor: pointer;
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.sort-select:focus {
  border-color: var(--brand-magenta);
  box-shadow: 0 0 0 3px rgba(255, 46, 99, 0.1);
}
.view-toggle {
  display: inline-flex;
  gap: 4px;
  padding: 7px;
  border: 1px solid var(--border-light);
  border-radius: 10px;
  background: var(--warm-gray);
  cursor: pointer;
}
.view-toggle button {
  width: 34px;
  height: 34px;
  border: none;
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-sub);
  transition: background 0.25s, color 0.25s;
}
.view-toggle button.active {
  background: var(--brand-gradient);
  color: var(--text-white);
}
.view-toggle svg {
  width: 18px;
  height: 18px;
}
.filter-toggle {
  display: none;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border: 1px solid var(--border-light);
  border-radius: 10px;
  background: var(--warm-gray);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.25s;
}
.filter-toggle:hover {
  background: var(--cream);
}

/* ===== 分类布局 ===== */
.catalog-layout {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}
.filter-panel {
  width: 260px;
  flex-shrink: 0;
  background: var(--cream);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  padding: 24px 20px;
  box-shadow: var(--shadow-card);
  position: sticky;
  top: 96px;
  transition: opacity 0.3s, transform 0.3s;
}
.filter-group {
  margin-bottom: 28px;
}
.filter-group:last-child {
  margin-bottom: 0;
}
.filter-group__title {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-light);
}
.checkbox-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 0;
  cursor: pointer;
  font-size: 14px;
  color: var(--text-main);
  transition: color 0.2s;
}
.checkbox-item:hover {
  color: var(--brand-magenta);
}
.checkbox-item input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border: 1.5px solid rgba(28, 27, 31, 0.25);
  border-radius: 6px;
  background: var(--text-white);
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  transition: background 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.checkbox-item input[type="checkbox"]:checked {
  background: var(--brand-gradient);
  border-color: transparent;
}
.checkbox-item input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;
  inset: 5px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='white' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 8l3.5 3.5L13 4.5'/%3E%3C/svg%3E") center/contain no-repeat;
}
.checkbox-item input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--brand-magenta);
  outline-offset: 2px;
}
.checkbox-item .count {
  margin-left: auto;
  font-size: 13px;
  color: var(--text-sub);
  font-variant-numeric: tabular-nums;
}
.range-slider {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--brand-magenta) 0%, var(--brand-magenta) 60%, #E4E1DE 60%);
  outline: none;
  cursor: pointer;
}
.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--text-white);
  border: 3px solid var(--brand-magenta);
  box-shadow: 0 2px 8px rgba(255, 46, 99, 0.3);
  cursor: pointer;
  transition: transform 0.25s;
}
.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.1);
}
.range-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--text-white);
  border: 3px solid var(--brand-magenta);
  box-shadow: 0 2px 8px rgba(255, 46, 99, 0.3);
  cursor: pointer;
}
.range-values {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-sub);
  margin-top: 10px;
  font-variant-numeric: tabular-nums;
}
.filter-actions {
  display: flex;
  gap: 10px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border-light);
}
.filter-actions .btn-ghost {
  flex: 1;
  justify-content: center;
}
.filter-actions .btn-primary {
  flex: 1;
  justify-content: center;
  padding: 10px 16px;
  font-size: 14px;
}

/* ===== 结果区 ===== */
.result-area {
  flex: 1;
  min-width: 0;
}
.result-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.result-card {
  background: var(--cream);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.3s, transform 0.3s;
  display: flex;
  flex-direction: column;
}
.result-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.result-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--warm-gray);
}
.result-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}
.result-card:hover .result-card__media img {
  transform: scale(1.04);
}
.result-card__badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(28, 27, 31, 0.72);
  color: var(--text-white);
  font-size: 12px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 999px;
  backdrop-filter: blur(6px);
  letter-spacing: 0.02em;
}
.result-card__body {
  padding: 24px 24px 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.result-card__title {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}
.result-card__desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-sub);
  margin-bottom: 16px;
  flex: 1;
}
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}
.tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--warm-gray);
  border: 1px solid var(--border-light);
  font-size: 13px;
  color: var(--text-sub);
  letter-spacing: 0.02em;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.tag:hover {
  background: rgba(255, 46, 99, 0.08);
  color: var(--brand-magenta);
  border-color: rgba(255, 46, 99, 0.2);
}
.result-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brand-magenta);
  transition: gap 0.25s;
}
.result-card__link:hover {
  gap: 10px;
}
.result-card__link .arrow {
  font-size: 16px;
  line-height: 1;
}

/* ===== 分页 ===== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 40px;
  padding: 20px 0 8px;
}
.pagination .page-btn {
  min-width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-light);
  border-radius: 12px;
  background: var(--cream);
  color: var(--text-main);
  font-size: 15px;
  font-weight: 500;
  padding: 0 18px;
  cursor: pointer;
  transition: background 0.25s, color 0.25s, border-color 0.25s, transform 0.25s;
}
.pagination .page-btn:hover {
  background: var(--warm-gray);
  border-color: rgba(28, 27, 31, 0.2);
  transform: translateY(-2px);
}
.pagination .page-btn.active {
  background: var(--brand-gradient);
  color: var(--text-white);
  border-color: transparent;
  box-shadow: 0 4px 14px rgba(255, 46, 99, 0.3);
}
.pagination .page-btn.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
  transform: none;
}
.pagination .page-btn--num {
  min-width: 44px;
  padding: 0;
}

/* ===== 卖点三连 ===== */
.features-section {
  padding: var(--spacing-section) 0;
  background: var(--warm-gray);
}
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}
.section-head .section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--brand-magenta);
  background: rgba(255, 46, 99, 0.08);
  border: 1px solid rgba(255, 46, 99, 0.15);
  padding: 6px 18px;
  border-radius: 999px;
  margin-bottom: 14px;
  text-transform: uppercase;
}
.section-head h2 {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
  letter-spacing: 0.02em;
  margin-bottom: 12px;
}
.section-head p {
  font-size: 16px;
  color: var(--text-sub);
  line-height: 1.8;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.feature-card {
  background: var(--cream);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 36px 32px 32px;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.3s, transform 0.3s;
  display: flex;
  flex-direction: column;
}
.feature-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.feature-card__icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--brand-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  box-shadow: 0 6px 18px rgba(255, 46, 99, 0.25);
}
.feature-card__icon svg {
  width: 26px;
  height: 26px;
  color: var(--text-white);
}
.feature-card h3 {
  font-size: 21px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}
.feature-card p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-sub);
  flex: 1;
  margin-bottom: 16px;
}
.feature-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brand-magenta);
  transition: gap 0.25s;
}
.feature-card__link:hover {
  gap: 10px;
}

/* ===== 适用场景 ===== */
.scenario-section {
  padding: var(--spacing-section) 0;
  background: var(--cream);
}
.scenario-block {
  display: flex;
  align-items: center;
  gap: 64px;
  margin-bottom: 80px;
}
.scenario-block:last-child {
  margin-bottom: 0;
}
.scenario-block--reverse {
  flex-direction: row-reverse;
}
.scenario-media {
  flex: 1;
  min-width: 0;
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-card);
  aspect-ratio: 5 / 3.6;
}
.scenario-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}
.scenario-block:hover .scenario-media img {
  transform: scale(1.03);
}
.scenario-media .media-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(28, 27, 31, 0.7);
  color: var(--text-white);
  font-size: 12px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 999px;
  backdrop-filter: blur(6px);
}
.scenario-content {
  flex: 1;
  min-width: 0;
}
.scenario-content .scenario-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--brand-magenta);
  background: rgba(255, 46, 99, 0.08);
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
  letter-spacing: 0.04em;
}
.scenario-content h3 {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink);
  margin-bottom: 14px;
  letter-spacing: 0.02em;
}
.scenario-content p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-sub);
  margin-bottom: 20px;
}
.scenario-list {
  list-style: none;
  margin-bottom: 24px;
}
.scenario-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--text-main);
  margin-bottom: 12px;
  line-height: 1.6;
}
.scenario-list li::before {
  content: "";
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--brand-gradient);
  flex-shrink: 0;
  position: relative;
  background-size: 100% 100%;
  background-repeat: no-repeat;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 10l4 4 8-8'/%3E%3C/svg%3E");
}
.scenario-badges {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.scenario-badges .data-badge--light .data-badge__number {
  font-size: 32px;
}

/* ===== FAQ ===== */
.faq-section {
  padding: var(--spacing-section) 0;
  background: var(--warm-gray);
}
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 1080px;
  margin: 0 auto;
}
.faq-item {
  background: var(--cream);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.3s;
}
.faq-item:hover {
  box-shadow: var(--shadow-hover);
}
.faq-item.open {
  box-shadow: var(--shadow-hover);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.5;
  transition: color 0.2s;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-family: var(--font-family);
}
.faq-question:hover {
  color: var(--brand-magenta);
}
.faq-icon {
  width: 30px;
  height: 30px;
  border: 1.5px solid rgba(28, 27, 31, 0.2);
  border-radius: 50%;
  flex-shrink: 0;
  position: relative;
  transition: transform 0.35s, border-color 0.35s;
}
.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: var(--text-sub);
  border-radius: 2px;
  transition: background 0.3s, transform 0.35s;
}
.faq-icon::before {
  width: 12px;
  height: 1.5px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.faq-icon::after {
  width: 1.5px;
  height: 12px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  border-color: var(--brand-magenta);
}
.faq-item.open .faq-icon::before,
.faq-item.open .faq-icon::after {
  background: var(--brand-magenta);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease, opacity 0.3s;
  opacity: 0;
  padding: 0 24px;
}
.faq-item.open .faq-answer {
  max-height: 400px;
  opacity: 1;
  padding-bottom: 22px;
}
.faq-answer p {
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-sub);
}
.faq-answer p + p {
  margin-top: 10px;
}

/* ===== CTA条 ===== */
.cta-strip {
  padding: 40px 0;
  background: var(--ink);
  position: relative;
  overflow: hidden;
}
.cta-strip::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -60px;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(255, 46, 99, 0.2) 0%, transparent 70%);
  pointer-events: none;
}
.cta-strip .container-wide {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}
.cta-strip__text h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 4px;
}
.cta-strip__text p {
  font-size: 14px;
  color: var(--text-light);
  margin: 0;
}
.cta-strip__actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}

/* ===== 页脚 ===== */
.site-footer {
  background: #141315;
  color: var(--text-light);
  padding: 72px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand .logo {
  color: var(--text-white);
  margin-bottom: 14px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-light);
  margin-top: 14px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-white);
  margin-bottom: 18px;
  letter-spacing: 0.04em;
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-col ul li {
  margin-bottom: 4px;
}
.footer-col ul li a {
  font-size: 14px;
  line-height: 2;
  color: var(--text-light);
  transition: color 0.25s;
}
.footer-col ul li a:hover {
  color: var(--brand-coral);
}
.footer-contact p {
  font-size: 14px;
  line-height: 2;
  color: var(--text-light);
  margin: 0 0 4px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: #6E6D75;
}
.footer-bottom p {
  margin: 0;
}

/* ===== 移动端抽屉菜单 ===== */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  right: -100%;
  width: 300px;
  height: 100%;
  background: var(--cream);
  z-index: 1100;
  box-shadow: -8px 0 30px rgba(28, 27, 31, 0.2);
  transition: right 0.35s ease;
  padding: 80px 32px 32px;
  overflow-y: auto;
}
.mobile-menu.open {
  right: 0;
}
.mobile-menu .mobile-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border-light);
  border-radius: 10px;
  background: transparent;
  font-size: 22px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  transition: background 0.25s;
}
.mobile-menu .mobile-close:hover {
  background: var(--warm-gray);
}
.mobile-menu a {
  display: block;
  padding: 14px 0;
  font-size: 20px;
  font-weight: 500;
  color: var(--text-main);
  border-bottom: 1px solid var(--border-light);
  transition: color 0.25s, padding-left 0.25s;
}
.mobile-menu a:hover,
.mobile-menu a.active {
  color: var(--brand-magenta);
  padding-left: 8px;
}
.mobile-menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(20, 19, 21, 0.5);
  z-index: 1050;
  opacity: 0;
  transition: opacity 0.35s;
}
.mobile-menu-overlay.open {
  display: block;
  opacity: 1;
}

/* ===== 响应式 ===== */
@media (min-width: 1280px) {
  .result-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 1279px) {
  .result-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .scenario-media {
    aspect-ratio: 16 / 11;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}
@media (max-width: 1023px) {
  .main-nav {
    display: none;
  }
  .mobile-toggle {
    display: inline-flex;
  }
  .header-actions .btn-primary {
    display: none;
  }
  .page-hero {
    padding: 140px 0 48px;
  }
  .page-hero h1 {
    font-size: 34px;
  }
  .catalog-layout {
    flex-direction: column;
  }
  .filter-panel {
    width: 100%;
    position: static;
    display: none;
    margin-bottom: 8px;
  }
  .filter-panel.open {
    display: block;
  }
  .filter-toggle {
    display: inline-flex;
  }
  .scenario-block,
  .scenario-block--reverse {
    flex-direction: column;
    gap: 32px;
    margin-bottom: 56px;
  }
  .scenario-media {
    width: 100%;
  }
  .faq-grid {
    grid-template-columns: 1fr;
  }
  .cta-strip .container-wide {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
}
@media (max-width: 767px) {
  .container,
  .container-wide {
    padding: 0 20px;
  }
  .header-inner {
    height: 64px;
  }
  .page-hero {
    padding: 110px 0 36px;
  }
  .page-hero h1 {
    font-size: 28px;
  }
  .page-hero .page-desc {
    font-size: 15px;
  }
  .hero-badges {
    flex-direction: column;
    gap: 10px;
  }
  .hero-badges .data-badge {
    width: 100%;
  }
  .result-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .feature-card {
    padding: 28px 24px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .toolbar-right {
    width: 100%;
  }
  .sort-select {
    flex: 1;
    min-width: 130px;
  }
  .pagination {
    flex-wrap: wrap;
  }
  .cta-strip__actions {
    width: 100%;
  }
  .cta-strip__actions .btn-primary,
  .cta-strip__actions .btn-secondary {
    flex: 1;
    padding: 12px 18px;
    font-size: 14px;
  }
  .scenario-content h3 {
    font-size: 22px;
  }
  .scenario-badges {
    flex-direction: column;
  }
  .scenario-badges .data-badge--light {
    width: 100%;
  }
}
@media (max-width: 575px) {
  .header-actions .search-btn {
    display: none;
  }
  .page-hero h1 {
    font-size: 24px;
  }
  .section-head h2 {
    font-size: 26px;
  }
  .catalog-toolbar {
    padding: 12px 16px;
  }
  .filter-panel {
    padding: 16px;
  }
  .result-card__body {
    padding: 20px 18px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}