/* roulang page: index */
:root {
            --bg-deep: #0A0E1A;
            --bg-card: rgba(255, 255, 255, 0.05);
            --bg-glass: rgba(17, 24, 39, 0.72);
            --gold: #D4A853;
            --gold-bright: #E8C878;
            --gold-dark: #B98A35;
            --text-main: #F5F0E8;
            --text-sub: #94A3B8;
            --text-muted: #64748B;
            --border-gold: rgba(212, 168, 83, 0.18);
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.35);
            --shadow-gold: 0 0 18px rgba(212, 168, 83, 0.35);
            --shadow-gold-hover: 0 0 28px rgba(212, 168, 83, 0.55);
            --spacing-section: 6rem;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 90px;
        }

        body {
            font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg-deep);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 1rem;
            overflow-x: hidden;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color .25s ease;
        }

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

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-padding {
            padding: var(--spacing-section) 0;
        }

        .section-title-wrap {
            margin-bottom: 3rem;
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: .85rem;
            font-weight: 600;
            color: var(--gold);
            letter-spacing: .06em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-eyebrow::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }

        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 700;
            padding-left: 16px;
            border-left: 4px solid var(--gold);
            line-height: 1.3;
            margin-bottom: 12px;
            color: var(--text-main);
        }

        .section-desc {
            color: var(--text-sub);
            font-size: .95rem;
            max-width: 680px;
            line-height: 1.8;
            margin-top: 12px;
        }

        /* 按钮体系 */
        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--gold-bright), var(--gold) 45%, var(--gold-dark));
            color: #16181d;
            font-weight: 600;
            font-size: 1rem;
            padding: .8rem 1.7rem;
            border-radius: var(--radius-sm);
            border: none;
            line-height: 1.4;
            transition: all .3s ease;
            box-shadow: var(--shadow-gold);
            cursor: pointer;
            letter-spacing: .02em;
        }

        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold-hover);
            background: linear-gradient(135deg, var(--gold-bright), var(--gold-dark));
            color: #16181d;
        }

        .btn-gold:active {
            transform: translateY(1px);
            box-shadow: 0 2px 12px rgba(212, 168, 83, 0.3);
        }

        .btn-gold:focus-visible {
            outline: 3px solid rgba(212, 168, 83, .5);
            outline-offset: 2px;
        }

        .btn-glass {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.06);
            color: var(--gold);
            font-weight: 600;
            font-size: 1rem;
            padding: .8rem 1.7rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-gold);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            transition: all .3s ease;
            cursor: pointer;
            letter-spacing: .02em;
        }

        .btn-glass:hover {
            background: rgba(212, 168, 83, 0.1);
            border-color: rgba(212, 168, 83, 0.4);
            color: var(--gold-bright);
        }

        .btn-glass:active {
            transform: translateY(1px);
        }

        .btn-glass:focus-visible {
            outline: 3px solid rgba(212, 168, 83, .4);
            outline-offset: 2px;
        }

        .btn-outline-light-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--text-main);
            border: 1px solid rgba(255, 255, 255, .22);
            font-weight: 500;
            font-size: .95rem;
            padding: .7rem 1.5rem;
            border-radius: var(--radius-sm);
            transition: all .3s ease;
            cursor: pointer;
        }

        .btn-outline-light-custom:hover {
            border-color: var(--gold);
            color: var(--gold);
            background: rgba(212, 168, 83, .06);
        }

        /* 导航栏 */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            height: 72px;
            background: rgba(10, 14, 26, 0.82);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(212, 168, 83, 0.14);
            transition: background .3s ease;
        }

        .site-header.scrolled {
            background: rgba(7, 11, 20, 0.95);
            box-shadow: 0 4px 30px rgba(0, 0, 0, .4);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            max-width: 1340px;
            margin: 0 auto;
            padding: 0 24px;
            gap: 20px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--gold-bright), var(--gold-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #16181d;
            font-size: 18px;
            font-weight: 800;
            box-shadow: 0 0 12px rgba(212, 168, 83, .3);
        }

        .logo-text {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            white-space: nowrap;
            letter-spacing: .02em;
        }

        .logo-text span {
            color: var(--gold);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            display: block;
            padding: 8px 16px;
            font-size: .93rem;
            font-weight: 500;
            color: rgba(245, 240, 232, .82);
            border-radius: 8px;
            transition: all .25s ease;
            position: relative;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .3s ease;
        }

        .nav-links a:hover {
            color: var(--gold);
        }

        .nav-links a:hover::after {
            transform: scaleX(1);
        }

        .nav-links a.active {
            color: var(--gold);
        }

        .nav-links a.active::after {
            transform: scaleX(1);
        }

        .nav-cta-wrap {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-cta-wrap .btn-gold {
            padding: .6rem 1.4rem;
            font-size: .92rem;
        }

        .nav-cta-wrap .btn-glass {
            padding: .6rem 1.2rem;
            font-size: .88rem;
        }

        .navbar-toggler-custom {
            display: none;
            background: none;
            border: 1px solid rgba(255, 255, 255, .2);
            border-radius: 8px;
            color: var(--text-main);
            font-size: 1.3rem;
            padding: 6px 12px;
            cursor: pointer;
            flex-shrink: 0;
            transition: border-color .3s;
        }

        .navbar-toggler-custom:hover {
            border-color: var(--gold);
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            background: url('/assets/images/backpic/back-1.jpg') center center / cover no-repeat;
            isolation: isolate;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 14, 26, .55) 0%, rgba(10, 14, 26, .8) 55%, rgba(10, 14, 26, .97) 100%);
            z-index: -1;
        }

        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 40%, rgba(212, 168, 83, .13) 0%, transparent 55%);
            z-index: -1;
        }

        .hero-content {
            text-align: center;
            padding: 130px 24px 80px;
            max-width: 1000px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(212, 168, 83, .1);
            border: 1px solid rgba(212, 168, 83, .3);
            color: var(--gold-bright);
            font-size: .88rem;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: 50px;
            margin-bottom: 28px;
            letter-spacing: .04em;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .hero-title {
            font-size: clamp(2.2rem, 5vw, 4rem);
            font-weight: 800;
            line-height: 1.2;
            color: var(--text-main);
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #fff 0%, var(--text-main) 40%, var(--gold-bright) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: none;
        }

        .hero-title .highlight {
            color: var(--gold);
            -webkit-text-fill-color: var(--gold);
        }

        .hero-subtitle {
            font-size: 1.05rem;
            color: rgba(245, 240, 232, .78);
            max-width: 680px;
            margin: 0 auto 40px;
            line-height: 1.8;
        }

        .countdown-wrap {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 18px;
            flex-wrap: wrap;
            margin: 38px 0 36px;
            padding: 20px 30px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(212, 168, 83, .18);
            border-radius: var(--radius-md);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            max-width: 580px;
            margin-left: auto;
            margin-right: auto;
        }

        .countdown-label {
            font-size: .9rem;
            color: var(--text-sub);
            white-space: nowrap;
        }

        .countdown-item {
            text-align: center;
            min-width: 60px;
        }

        .countdown-item .num {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--gold-bright);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
            text-shadow: 0 0 20px rgba(212, 168, 83, .3);
        }

        .countdown-item .unit {
            font-size: .78rem;
            color: var(--text-sub);
            display: block;
            margin-top: 2px;
        }

        .countdown-sep {
            color: rgba(212, 168, 83, .4);
            font-size: 1.5rem;
            font-weight: 300;
            margin-top: -10px;
        }

        .hero-ctas {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 44px;
        }

        .hero-trust {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 36px;
            flex-wrap: wrap;
            margin-top: 20px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, .08);
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: .92rem;
            color: rgba(245, 240, 232, .75);
        }

        .trust-item strong {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--gold-bright);
        }

        .scroll-hint {
            text-align: center;
            margin-top: 40px;
            color: var(--text-muted);
            font-size: .85rem;
        }

        .scroll-hint i {
            display: inline-block;
            animation: bounceDown 2s infinite;
            font-style: normal;
        }

        @keyframes bounceDown {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(8px);
            }
        }

        /* 系列导航 / 快速入口条 */
        .series-nav-section {
            padding: 0;
            margin: 0;
            background: #0C1322;
            border-bottom: 1px solid rgba(212, 168, 83, .1);
        }

        .series-nav-inner {
            display: flex;
            align-items: stretch;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0;
            position: relative;
        }

        .series-item {
            flex: 1;
            min-width: 160px;
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 22px 24px;
            border-right: 1px solid rgba(255, 255, 255, .06);
            transition: background .3s ease, border-color .3s ease;
        }

        .series-item:last-child {
            border-right: none;
        }

        .series-item:hover {
            background: rgba(212, 168, 83, .04);
        }

        .series-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            border: 1px solid rgba(212, 168, 83, .3);
            background: rgba(212, 168, 83, .07);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            flex-shrink: 0;
        }

        .series-icon svg {
            width: 22px;
            height: 22px;
        }

        .series-info h4 {
            font-size: .95rem;
            font-weight: 600;
            color: var(--text-main);
            margin: 0;
            line-height: 1.3;
        }

        .series-info p {
            font-size: .78rem;
            color: var(--text-sub);
            margin: 2px 0 0;
            line-height: 1.4;
        }

        /* 信任条 */
        .trust-bar {
            background: linear-gradient(90deg, rgba(212, 168, 83, .04), rgba(212, 168, 83, .1), rgba(212, 168, 83, .04));
            padding: 20px 0;
            border-bottom: 1px solid rgba(212, 168, 83, .12);
        }

        .trust-bar-inner {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 50px;
            flex-wrap: wrap;
        }

        .trust-point {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: .9rem;
            color: rgba(245, 240, 232, .8);
        }

        .trust-point svg {
            width: 20px;
            height: 20px;
            color: var(--gold);
        }

        /* 痛点区 */
        .pain-section {
            background: linear-gradient(180deg, #0A0E1A 0%, #0E1526 50%, #0A0E1A 100%);
            position: relative;
        }

        .pain-section::before {
            content: '品';
            position: absolute;
            top: 6%;
            right: -2%;
            font-size: 18rem;
            color: rgba(212, 168, 83, .035);
            font-weight: 800;
            pointer-events: none;
            line-height: 1;
            z-index: 0;
        }

        .pain-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            position: relative;
            z-index: 1;
        }

        .pain-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(212, 168, 83, .16);
            border-radius: 20px;
            padding: 28px 30px;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            transition: all .35s ease;
            position: relative;
        }

        .pain-card:hover {
            transform: translateY(-6px);
            border-color: rgba(212, 168, 83, .4);
            box-shadow: 0 12px 40px rgba(0, 0, 0, .4), 0 0 24px rgba(212, 168, 83, .08);
        }

        .pain-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            border: 1px solid rgba(212, 168, 83, .3);
            background: rgba(212, 168, 83, .08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            margin-bottom: 18px;
        }

        .pain-icon svg {
            width: 20px;
            height: 20px;
        }

        .pain-card h4 {
            font-size: 1.08rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .pain-card p {
            font-size: .9rem;
            color: var(--text-sub);
            line-height: 1.7;
            margin: 0;
        }

        /* 解决方案区 */
        .solution-section {
            background: linear-gradient(180deg, #0A0E1A 0%, #0D1424 60%, #0A0E1A 100%);
        }

        .solution-layout {
            display: grid;
            grid-template-columns: 1.05fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .solution-image-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-gold);
            box-shadow: 0 20px 60px rgba(0, 0, 0, .5);
            aspect-ratio: 4/3;
        }

        .solution-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .solution-image-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(200deg, transparent 40%, rgba(10, 14, 26, .6) 100%);
        }

        .solution-image-badge {
            position: absolute;
            bottom: 20px;
            left: 20px;
            z-index: 2;
            background: rgba(10, 14, 26, .75);
            border: 1px solid rgba(212, 168, 83, .3);
            border-radius: 12px;
            padding: 10px 18px;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            font-size: .85rem;
            color: var(--text-main);
        }

        .solution-image-badge strong {
            color: var(--gold);
        }

        .solution-points {
            display: flex;
            flex-direction: column;
            gap: 28px;
            margin-bottom: 30px;
        }

        .solution-point {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            padding: 20px 22px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, .05);
            border-radius: var(--radius-md);
            transition: all .3s ease;
        }

        .solution-point:hover {
            background: rgba(212, 168, 83, .05);
            border-color: rgba(212, 168, 83, .22);
            transform: translateX(4px);
        }

        .solution-num {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--gold);
            line-height: 1.2;
            min-width: 44px;
            opacity: .85;
        }

        .solution-point h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-main);
        }

        .solution-point p {
            font-size: .9rem;
            color: var(--text-sub);
            line-height: 1.65;
            margin: 0;
        }

        .solution-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--gold);
            font-weight: 600;
            font-size: .95rem;
            transition: gap .3s ease;
        }

        .solution-link:hover {
            color: var(--gold-bright);
            gap: 10px;
        }

        /* 数据区 */
        .data-section {
            position: relative;
            background: linear-gradient(135deg, #0E162A, #0B1120);
            border-top: 1px solid rgba(212, 168, 83, .12);
            border-bottom: 1px solid rgba(212, 168, 83, .12);
        }

        .data-section::before,
        .data-section::after {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            width: 1px;
        }

        .data-section::before {
            left: 0;
            background: linear-gradient(180deg, transparent, var(--gold), transparent);
            opacity: .3;
        }

        .data-section::after {
            right: 0;
            background: linear-gradient(180deg, transparent, var(--gold), transparent);
            opacity: .3;
        }

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

        .data-item {
            padding: 30px 20px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, .04);
            transition: all .35s ease;
        }

        .data-item:hover {
            border-color: rgba(212, 168, 83, .22);
            background: rgba(212, 168, 83, .05);
        }

        .data-num {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--gold-bright);
            text-shadow: 0 0 24px rgba(212, 168, 83, .25);
            line-height: 1.3;
        }

        .data-label {
            font-size: .9rem;
            color: var(--text-sub);
            margin-top: 6px;
        }

        /* 客户证言 */
        .testimonials-section {
            background: linear-gradient(180deg, #0A0E1A 0%, #0F1728 40%, #0A0E1A 100%);
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(212, 168, 83, .14);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            position: relative;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            transition: all .35s ease;
        }

        .testimonial-card:hover {
            transform: translateY(-6px);
            border-color: rgba(212, 168, 83, .35);
            box-shadow: 0 14px 46px rgba(0, 0, 0, .4), 0 0 20px rgba(212, 168, 83, .06);
        }

        .testimonial-quote {
            position: absolute;
            top: 18px;
            right: 24px;
            font-size: 4.5rem;
            font-style: italic;
            color: rgba(212, 168, 83, .2);
            line-height: 1;
            font-family: Georgia, serif;
            pointer-events: none;
        }

        .testimonial-stars {
            display: flex;
            gap: 3px;
            color: var(--gold);
            font-size: .95rem;
            margin-bottom: 18px;
        }

        .testimonial-text {
            font-size: .93rem;
            color: rgba(245, 240, 232, .82);
            line-height: 1.8;
            margin-bottom: 22px;
            position: relative;
            z-index: 1;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 18px;
            border-top: 1px solid rgba(255, 255, 255, .07);
        }

        .testimonial-name {
            font-weight: 600;
            font-size: .92rem;
            color: var(--text-main);
        }

        .testimonial-name small {
            display: block;
            font-weight: 400;
            font-size: .78rem;
            color: var(--text-sub);
            margin-top: 2px;
        }

        .verified-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: .75rem;
            font-weight: 500;
            color: var(--gold);
            background: rgba(212, 168, 83, .1);
            border: 1px solid rgba(212, 168, 83, .22);
            padding: 3px 10px;
            border-radius: 50px;
        }

        /* 资讯/CMS区 */
        .news-section {
            background: #0A0E1A;
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 32px;
            align-items: start;
        }

        .news-cards {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .news-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(212, 168, 83, .14);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all .35s ease;
            display: block;
        }

        .news-card:hover {
            transform: translateY(-5px);
            border-color: rgba(212, 168, 83, .4);
            box-shadow: 0 12px 36px rgba(0, 0, 0, .4), 0 0 18px rgba(212, 168, 83, .06);
        }

        .news-card-cover {
            height: 160px;
            overflow: hidden;
            position: relative;
            background: #101828;
        }

        .news-card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .news-card:hover .news-card-cover img {
            transform: scale(1.05);
        }

        .news-card-cat {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(212, 168, 83, .15);
            border: 1px solid rgba(212, 168, 83, .3);
            color: var(--gold-bright);
            font-size: .75rem;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 50px;
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
        }

        .news-card-body {
            padding: 22px;
        }

        .news-card-body h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.45;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card-body p {
            font-size: .85rem;
            color: var(--text-sub);
            line-height: 1.6;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: .8rem;
            color: var(--text-muted);
        }

        .news-card-read {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--gold);
            font-size: .82rem;
            font-weight: 500;
        }

        .news-card-read::after {
            content: '→';
            transition: transform .3s ease;
        }

        .news-card:hover .news-card-read::after {
            transform: translateX(3px);
        }

        .news-sidebar {
            position: sticky;
            top: 96px;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .news-side-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(212, 168, 83, .12);
            border-radius: var(--radius-md);
            padding: 26px;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .news-side-card h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid rgba(212, 168, 83, .15);
        }

        .news-side-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .news-side-list li a {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            padding: 10px;
            border-radius: 10px;
            transition: background .25s ease;
            font-size: .88rem;
            color: rgba(245, 240, 232, .8);
            line-height: 1.5;
        }

        .news-side-list li a:hover {
            background: rgba(212, 168, 83, .06);
            color: var(--gold);
        }

        .news-side-list li a em {
            font-style: normal;
            color: var(--gold);
            font-size: .8rem;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .news-empty {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(212, 168, 83, .14);
            border-radius: var(--radius-lg);
            padding: 60px 30px;
            text-align: center;
            color: var(--text-sub);
            font-size: .95rem;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }

        /* CTA区 */
        .cta-section {
            position: relative;
            background: url('/assets/images/backpic/back-2.jpg') center center / cover no-repeat fixed;
            padding: 120px 0;
            isolation: isolate;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 14, 26, .92) 0%, rgba(15, 20, 34, .85) 50%, rgba(10, 14, 26, .95) 100%);
            z-index: -1;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(212, 168, 83, .12) 0%, transparent 60%);
            z-index: -1;
        }

        .cta-inner {
            max-width: 760px;
            margin: 0 auto;
            text-align: center;
        }

        .cta-title {
            font-size: clamp(1.8rem, 3.4vw, 2.6rem);
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
            line-height: 1.35;
        }

        .cta-title span {
            color: var(--gold);
        }

        .cta-desc {
            font-size: 1rem;
            color: rgba(245, 240, 232, .75);
            margin-bottom: 40px;
            line-height: 1.8;
        }

        .cta-form-wrap {
            background: rgba(17, 24, 39, .75);
            border: 1px solid rgba(212, 168, 83, .22);
            border-radius: var(--radius-lg);
            padding: 40px;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            text-align: left;
            box-shadow: 0 20px 60px rgba(0, 0, 0, .45);
        }

        .cta-form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-bottom: 16px;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            font-size: .85rem;
            font-weight: 500;
            color: rgba(245, 240, 232, .7);
            margin-bottom: 6px;
        }

        .form-control-custom {
            width: 100%;
            background: rgba(0, 0, 0, 0.3);
            border: 1px solid rgba(148, 163, 184, .25);
            border-radius: var(--radius-sm);
            color: var(--text-main);
            padding: 12px 14px;
            font-size: .92rem;
            line-height: 1.5;
            transition: all .25s ease;
            outline: none;
        }

        .form-control-custom::placeholder {
            color: rgba(148, 163, 184, .5);
        }

        .form-control-custom:focus {
            border-color: var(--gold);
            box-shadow: 0 0 12px rgba(212, 168, 83, .2);
            background: rgba(0, 0, 0, .45);
        }

        .form-control-custom select {
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394A3B8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
        }

        .cta-form-submit {
            margin-top: 8px;
        }

        .cta-form-submit .btn-gold {
            width: 100%;
            padding: 14px;
            font-size: 1.05rem;
        }

        /* FAQ */
        .faq-section {
            background: linear-gradient(180deg, #0A0E1A 0%, #0E1526 50%, #0A0E1A 100%);
        }

        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-accordion .accordion-item {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(212, 168, 83, .14);
            border-radius: var(--radius-md) !important;
            margin-bottom: 16px;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            overflow: hidden;
            transition: border-color .3s ease;
        }

        .faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: rgba(212, 168, 83, .4);
            box-shadow: 0 0 20px rgba(212, 168, 83, .06);
        }

        .faq-accordion .accordion-button {
            background: transparent;
            color: var(--text-main);
            font-size: 1rem;
            font-weight: 600;
            padding: 20px 24px;
            border: none;
            box-shadow: none;
            transition: color .3s ease;
        }

        .faq-accordion .accordion-button::after {
            content: '+';
            background-image: none !important;
            font-size: 1.4rem;
            font-weight: 300;
            color: var(--gold);
            width: auto;
            height: auto;
            transition: transform .3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .faq-accordion .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--gold);
            background: transparent;
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: transparent;
        }

        .faq-accordion .accordion-button:focus-visible {
            outline: 3px solid rgba(212, 168, 83, .3);
            outline-offset: -1px;
        }

        .faq-accordion .accordion-body {
            padding: 0 24px 22px;
            color: var(--text-sub);
            font-size: .92rem;
            line-height: 1.8;
        }

        /* 页脚 */
        .site-footer {
            background: #070B14;
            border-top: 1px solid rgba(212, 168, 83, .16);
            padding: 60px 0 0;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 40px;
        }

        .footer-brand .logo-text {
            font-size: 1.1rem;
        }

        .footer-brand p {
            font-size: .9rem;
            color: var(--text-sub);
            line-height: 1.7;
            margin-top: 14px;
            max-width: 300px;
        }

        .footer-title {
            font-size: .95rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 24px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: .9rem;
            color: rgba(245, 240, 232, .65);
            transition: color .25s ease, padding-left .25s ease;
        }

        .footer-links a:hover {
            color: var(--gold);
            padding-left: 4px;
        }

        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-contact li {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            font-size: .9rem;
            color: rgba(245, 240, 232, .65);
            line-height: 1.6;
        }

        .footer-contact li svg {
            width: 18px;
            height: 18px;
            color: var(--gold);
            flex-shrink: 0;
            margin-top: 3px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .06);
            padding: 20px 0;
            text-align: center;
            font-size: .82rem;
            color: var(--text-muted);
        }

        /* 移动端导航 */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            z-index: 1020;
            background: rgba(7, 11, 20, .98);
            border-bottom: 1px solid rgba(212, 168, 83, .2);
            padding: 20px 24px;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
        }

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

        .mobile-menu ul {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }

        .mobile-menu ul li a {
            display: block;
            padding: 14px 0;
            font-size: 1rem;
            color: rgba(245, 240, 232, .82);
            border-bottom: 1px solid rgba(255, 255, 255, .05);
        }

        .mobile-menu ul li a:hover {
            color: var(--gold);
        }

        .mobile-menu .btn-gold {
            width: 100%;
        }

        /* 响应式 */
        @media (max-width: 1199.98px) {
            .nav-cta-wrap .btn-glass {
                display: none;
            }
        }

        @media (max-width: 991.98px) {
            .nav-links {
                display: none;
            }

            .navbar-toggler-custom {
                display: block;
            }

            .nav-cta-wrap .btn-gold {
                padding: .55rem 1rem;
                font-size: .85rem;
            }

            .nav-cta-wrap {
                gap: 8px;
            }

            .hero-title {
                font-size: clamp(2rem, 4.5vw, 3.2rem);
            }

            .hero-subtitle {
                font-size: .95rem;
            }

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

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

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

            .news-layout {
                grid-template-columns: 1fr;
            }

            .news-sidebar {
                position: static;
                flex-direction: row;
                flex-wrap: wrap;
            }

            .news-side-card {
                flex: 1;
                min-width: 260px;
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --spacing-section: 4rem;
            }

            .container-custom {
                padding: 0 20px;
            }

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

            .cta-form-row {
                grid-template-columns: 1fr;
            }

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

            .series-nav-inner {
                flex-wrap: wrap;
            }

            .series-item {
                flex: 1 1 45%;
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, .05);
            }

            .series-item:nth-child(even) {
                border-left: 1px solid rgba(255, 255, 255, .05);
            }

            .series-item:nth-last-child(-n+2) {
                border-bottom: none;
            }

            .trust-bar-inner {
                gap: 20px;
                justify-content: flex-start;
                padding: 0 20px;
            }

            .trust-point {
                font-size: .8rem;
            }

            .hero-trust {
                gap: 20px;
            }

            .countdown-wrap {
                gap: 10px;
                padding: 16px 16px;
            }

            .countdown-item {
                min-width: 48px;
            }

            .countdown-item .num {
                font-size: 1.6rem;
            }

            .countdown-sep {
                font-size: 1.1rem;
            }

            .data-grid {
                gap: 14px;
            }

            .data-item {
                padding: 20px 12px;
            }

            .data-num {
                font-size: 1.8rem;
            }

            .news-cards {
                grid-template-columns: 1fr;
            }

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

            .hero-ctas {
                flex-direction: column;
                width: 100%;
            }

            .hero-ctas .btn-gold,
            .hero-ctas .btn-glass {
                width: 100%;
            }
        }

        @media (max-width: 575.98px) {
            .logo-text {
                font-size: .9rem;
            }

            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }

            .hero {
                min-height: auto;
                padding: 100px 0 60px;
            }

            .hero-content {
                padding: 110px 16px 60px;
            }

            .hero-title {
                font-size: 1.85rem;
                line-height: 1.3;
            }

            .hero-subtitle {
                font-size: .88rem;
            }

            .hero-badge {
                font-size: .8rem;
                padding: 6px 14px;
            }

            .series-item {
                flex: 1 1 100%;
                border-left: none !important;
                border-bottom: 1px solid rgba(255, 255, 255, .05) !important;
            }

            .section-title {
                font-size: 1.35rem;
            }

            .pain-card {
                padding: 22px;
            }

            .solution-point {
                flex-direction: column;
                gap: 10px;
                padding: 16px;
            }
        }

        /* Bootstrap 重置覆盖 */
        .btn {
            border: none;
        }

        .btn:focus {
            box-shadow: none;
        }

        .accordion-button {
            border-radius: 0 !important;
        }

        .accordion-item {
            box-shadow: none;
        }

        .accordion-button:not(.collapsed)::after {
            filter: none;
        }

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

/* roulang page: index */
:root {
            --color-bg-deep: #060C18;
            --color-bg: #0A1428;
            --color-surface: rgba(255, 255, 255, .055);
            --color-surface-strong: rgba(255, 255, 255, .09);
            --color-border: rgba(255, 255, 255, .13);
            --color-border-strong: rgba(255, 255, 255, .22);
            --color-accent: #D8A97E;
            --color-accent-deep: #B7865F;
            --color-accent-glow: rgba(216, 169, 126, .42);
            --color-primary: #2E5A8A;
            --color-text: #EAF0F9;
            --color-text-secondary: rgba(234, 240, 249, .75);
            --color-text-muted: rgba(234, 240, 249, .52);
            --radius-card: 18px;
            --radius-btn: 999px;
            --shadow-card: 0 18px 48px rgba(0, 0, 0, .38);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            background-color: var(--color-bg);
            background-image: radial-gradient(ellipse at 20% 0%, rgba(46, 90, 138, .18) 0%, transparent 60%), radial-gradient(ellipse at 80% 100%, rgba(216, 169, 126, .08) 0%, transparent 50%);
            color: var(--color-text);
            line-height: 1.75;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s ease;
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1280px;
            padding-left: 20px;
            padding-right: 20px;
            margin-left: auto;
            margin-right: auto;
            width: 100%;
        }
        section {
            position: relative;
        }
        .section-padding {
            padding: 100px 0;
        }
        .text-accent {
            color: var(--color-accent);
        }
        .bg-deep {
            background: var(--color-bg-deep);
        }
        .btn-glow {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: linear-gradient(135deg, #E2B98D 0%, var(--color-accent) 40%, var(--color-accent-deep) 100%);
            color: #1A120B;
            border: none;
            border-radius: var(--radius-btn);
            padding: .75rem 1.8rem;
            font-weight: 600;
            font-size: 1rem;
            line-height: 1.4;
            box-shadow: 0 0 24px var(--color-accent-glow);
            transition: all .3s ease;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-glow:hover {
            color: #1A120B;
            box-shadow: 0 0 36px rgba(216, 169, 126, .6);
            transform: translateY(-2px);
        }
        .btn-glow:active {
            transform: translateY(0);
            box-shadow: 0 0 20px var(--color-accent-glow);
        }
        .btn-glow:focus-visible {
            outline: 2px solid rgba(255, 255, 255, .7);
            outline-offset: 2px;
        }
        .btn-outline-glass {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .18);
            color: var(--color-text);
            border-radius: var(--radius-btn);
            padding: .75rem 1.8rem;
            font-weight: 500;
            font-size: 1rem;
            transition: all .3s ease;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-outline-glass:hover {
            border-color: rgba(216, 169, 126, .6);
            color: var(--color-accent);
            background: rgba(216, 169, 126, .06);
        }
        .btn-outline-glass:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        .section-tag {
            display: inline-block;
            font-size: .82rem;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--color-accent);
            border: 1px solid rgba(216, 169, 126, .3);
            border-radius: 999px;
            padding: 4px 16px;
            background: rgba(216, 169, 126, .06);
            margin-bottom: 16px;
        }
        .section-title {
            font-size: clamp(1.9rem, 3.5vw, 3rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            position: relative;
            padding-left: 18px;
        }
        .section-title::before {
            content: "";
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 4px;
            border-radius: 4px;
            background: linear-gradient(180deg, var(--color-accent), transparent);
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 640px;
            margin-bottom: 48px;
        }

        /* ===== Header/Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(6, 12, 24, .72);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(216, 169, 126, .18);
        }
        .site-header .navbar {
            padding: .75rem 0;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.18rem;
            color: var(--color-text);
        }
        .navbar-brand .brand-mark {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, #E2B98D, var(--color-accent-deep));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #1A120B;
            box-shadow: 0 0 16px rgba(216, 169, 126, .3);
            flex-shrink: 0;
        }
        .navbar-brand:hover {
            color: var(--color-text);
        }
        .navbar-nav .nav-link {
            color: var(--color-text-secondary);
            font-weight: 500;
            padding: .5rem 1.1rem;
            border-radius: 8px;
            transition: color .25s;
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: var(--color-accent);
        }
        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, .2);
            border-radius: 10px;
            padding: 6px 10px;
            background: rgba(255, 255, 255, .04);
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid rgba(216, 169, 126, .4);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(234,240,249,.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .header-cta {
            margin-left: 16px;
        }
        @media (max-width: 991.98px) {
            .header-cta {
                margin-left: 0;
                margin-top: 12px;
                width: 100%;
            }
            .header-cta .btn-glow {
                width: 100%;
            }
        }

        /* ===== Hero ===== */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            position: relative;
            background-image: linear-gradient(180deg, rgba(6, 12, 24, .55) 0%, rgba(10, 20, 40, .35) 50%, var(--color-bg) 100%), url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            padding: 140px 0 80px;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 860px;
            margin: 0 auto;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(216, 169, 126, .1);
            border: 1px solid rgba(216, 169, 126, .25);
            border-radius: 999px;
            color: var(--color-accent);
            font-size: .85rem;
            padding: 6px 18px;
            margin-bottom: 24px;
            letter-spacing: .5px;
        }
        .hero-title {
            font-size: clamp(2.4rem, 5.5vw, 4.4rem);
            font-weight: 900;
            line-height: 1.08;
            color: var(--color-text);
            margin-bottom: 20px;
            text-shadow: 0 4px 30px rgba(0, 0, 0, .4);
        }
        .hero-title .gradient-text {
            background: linear-gradient(120deg, #E2B98D 0%, #D8A97E 45%, #C69C6D 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: 1.1rem;
            color: var(--color-text-secondary);
            max-width: 660px;
            margin: 0 auto 40px;
            line-height: 1.8;
        }
        .hero-btns {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .hero-scroll {
            position: absolute;
            bottom: 32px;
            left: 50%;
            transform: translateX(-50%);
            color: var(--color-text-muted);
            font-size: 1.4rem;
            animation: scrollBounce 2s ease-in-out infinite;
            z-index: 2;
        }
        @keyframes scrollBounce {
            0%,
            100% {
                transform: translateX(-50%) translateY(0);
                opacity: .7;
            }
            50% {
                transform: translateX(-50%) translateY(10px);
                opacity: 1;
            }
        }
        @media (max-width: 767.98px) {
            .hero {
                padding: 120px 16px 60px;
            }
            .hero-btns {
                flex-direction: column;
                align-items: center;
            }
            .hero-btns .btn-glow,
            .hero-btns .btn-outline-glass {
                width: 100%;
                max-width: 320px;
            }
        }

        /* ===== Pain Points ===== */
        .pain-points {
            padding: 100px 0;
            background: var(--color-bg);
        }
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .pain-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            backdrop-filter: blur(16px);
            box-shadow: var(--shadow-card);
            transition: all .3s ease;
            position: relative;
            overflow: hidden;
        }
        .pain-card:nth-child(2) {
            margin-top: 32px;
        }
        .pain-card:hover {
            background: var(--color-surface-strong);
            border-color: rgba(216, 169, 126, .4);
            transform: translateY(-4px);
        }
        .pain-num {
            font-size: 2.6rem;
            font-weight: 900;
            color: rgba(216, 169, 126, .55);
            line-height: 1;
            margin-bottom: 18px;
            letter-spacing: -1px;
        }
        .pain-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--color-text);
        }
        .pain-card p {
            color: var(--color-text-secondary);
            font-size: .95rem;
            line-height: 1.7;
            margin-bottom: 0;
        }
        @media (max-width: 991.98px) {
            .pain-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .pain-card:nth-child(2) {
                margin-top: 0;
            }
            .pain-card:nth-child(3) {
                grid-column: 1 / -1;
                max-width: 480px;
                margin-left: auto;
                margin-right: auto;
            }
        }
        @media (max-width: 575.98px) {
            .pain-grid {
                grid-template-columns: 1fr;
            }
            .pain-card:nth-child(3) {
                grid-column: auto;
                max-width: none;
            }
        }

        /* ===== Solutions ===== */
        .solutions {
            padding: 100px 0;
            background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-deep) 100%);
            position: relative;
        }
        .solutions::before,
        .solutions::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(216, 169, 126, .3), transparent);
        }
        .solutions::before {
            top: 0;
        }
        .solutions::after {
            bottom: 0;
        }
        .solution-row {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 56px;
            align-items: center;
            margin-bottom: 72px;
        }
        .solution-row:last-child {
            margin-bottom: 0;
        }
        .solution-row.reverse {
            direction: rtl;
        }
        .solution-row.reverse>* {
            direction: ltr;
        }
        .solution-media {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .solution-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4 / 3;
            transition: transform .6s ease;
        }
        .solution-media:hover img {
            transform: scale(1.04);
        }
        .solution-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(10, 20, 40, .35) 100%);
            pointer-events: none;
        }
        .solution-dual {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
            height: 100%;
        }
        .solution-dual img {
            aspect-ratio: auto;
            height: 100%;
            object-fit: cover;
        }
        .solution-content h3 {
            font-size: 1.65rem;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--color-text);
        }
        .solution-content .solution-tag {
            display: inline-block;
            font-size: .8rem;
            color: var(--color-accent);
            background: rgba(216, 169, 126, .08);
            border: 1px solid rgba(216, 169, 126, .2);
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 16px;
        }
        .solution-list {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }
        .solution-list li {
            position: relative;
            padding-left: 28px;
            margin-bottom: 10px;
            color: var(--color-text-secondary);
            font-size: 1rem;
            line-height: 1.6;
        }
        .solution-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            top: 0;
            color: var(--color-accent);
            font-weight: 700;
            font-size: 1.05rem;
        }
        .solution-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }
        .meta-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, .06);
            border: 1px solid var(--color-border);
            border-radius: 999px;
            padding: 4px 14px;
            font-size: .82rem;
            color: var(--color-text-secondary);
        }
        .meta-badge i {
            color: var(--color-accent);
        }
        .solution-link {
            color: var(--color-accent);
            font-weight: 600;
            font-size: .95rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap .25s;
        }
        .solution-link:hover {
            gap: 10px;
            color: var(--color-accent);
        }
        @media (max-width: 991.98px) {
            .solution-row {
                grid-template-columns: 1fr;
                gap: 32px;
                margin-bottom: 56px;
            }
            .solution-row.reverse {
                direction: ltr;
            }
        }

        /* ===== Results ===== */
        .results {
            padding: 100px 0;
            background: var(--color-bg-deep);
            position: relative;
        }
        .results::before {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 20%, rgba(216, 169, 126, .05) 0%, transparent 60%);
            pointer-events: none;
        }
        .results-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-bottom: 64px;
        }
        .result-num-card {
            text-align: center;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 32px 20px;
            backdrop-filter: blur(12px);
        }
        .result-num {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.1;
            background: linear-gradient(135deg, #E8C8A0, var(--color-accent) 60%, var(--color-accent-deep));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 6px;
        }
        .result-label {
            color: var(--color-text-secondary);
            font-size: .9rem;
        }
        .results-bottom {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 24px;
            align-items: stretch;
        }
        .result-feature {
            background: rgba(255, 255, 255, .04);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 32px;
            position: relative;
            overflow: hidden;
        }
        .result-feature::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--color-accent), transparent);
        }
        .result-feature h3 {
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .result-feature p {
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .result-sub-cards {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .result-sub-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            transition: all .3s;
        }
        .result-sub-card:hover {
            border-color: rgba(216, 169, 126, .35);
        }
        .result-sub-card .icon {
            font-size: 1.6rem;
            color: var(--color-accent);
            margin-bottom: 12px;
        }
        .result-sub-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .result-sub-card p {
            color: var(--color-text-secondary);
            font-size: .88rem;
            line-height: 1.6;
            margin-bottom: 0;
        }
        @media (max-width: 991.98px) {
            .results-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .results-bottom {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 575.98px) {
            .results-grid {
                grid-template-columns: 1fr;
            }
            .result-sub-cards {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Testimonials ===== */
        .testimonials {
            padding: 100px 0;
            background: var(--color-bg);
        }
        .testimonials-layout {
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 44px;
            align-items: stretch;
        }
        .testimonial-main {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 40px;
            border-left: 3px solid var(--color-accent);
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(16px);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .testimonial-main .quote-icon {
            font-size: 2rem;
            color: var(--color-accent);
            margin-bottom: 16px;
            opacity: .8;
        }
        .testimonial-main p {
            font-size: 1.05rem;
            line-height: 1.8;
            color: var(--color-text);
            margin-bottom: 20px;
        }
        .testimonial-main .author {
            color: var(--color-text-secondary);
            font-size: .92rem;
        }
        .testimonial-side {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .testimonial-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 26px;
            border-left: 3px solid var(--color-accent);
            transition: all .3s;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .testimonial-card:hover {
            background: var(--color-surface-strong);
        }
        .testimonial-card .stars {
            color: var(--color-accent);
            font-size: .9rem;
            margin-bottom: 10px;
            letter-spacing: 2px;
        }
        .testimonial-card p {
            font-size: .92rem;
            line-height: 1.7;
            color: var(--color-text-secondary);
            margin-bottom: 12px;
        }
        .testimonial-card .author {
            font-size: .82rem;
            color: var(--color-text-muted);
        }
        @media (max-width: 991.98px) {
            .testimonials-layout {
                grid-template-columns: 1fr;
            }
        }

        /* ===== News ===== */
        .news-section {
            padding: 100px 0;
            background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-deep) 100%);
        }
        .news-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 40px;
        }
        .news-header .more-link {
            color: var(--color-accent);
            font-weight: 600;
            font-size: .95rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            align-items: center;
            gap: 24px;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 22px 24px;
            transition: all .3s ease;
        }
        .news-item:hover {
            background: var(--color-surface-strong);
            border-color: var(--color-border-strong);
        }
        .news-date {
            flex-shrink: 0;
            text-align: center;
            background: rgba(216, 169, 126, .08);
            border: 1px solid rgba(216, 169, 126, .15);
            border-radius: 12px;
            padding: 8px 16px;
            min-width: 76px;
        }
        .news-date .day {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1.1;
            display: block;
        }
        .news-date .month {
            font-size: .75rem;
            color: var(--color-text-muted);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-content h3 {
            font-size: 1.08rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-text);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .news-content h3 a:hover {
            color: var(--color-accent);
        }
        .news-content p {
            color: var(--color-text-secondary);
            font-size: .9rem;
            margin-bottom: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-meta {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .badge-category {
            display: inline-block;
            background: rgba(216, 169, 126, .08);
            border: 1px solid rgba(216, 169, 126, .22);
            color: var(--color-accent);
            font-size: .78rem;
            padding: 4px 14px;
            border-radius: 999px;
        }
        .read-more {
            color: var(--color-accent);
            font-weight: 600;
            font-size: .9rem;
            white-space: nowrap;
        }
        .news-empty {
            text-align: center;
            padding: 80px 20px;
            background: var(--color-surface);
            border: 1px dashed var(--color-border);
            border-radius: var(--radius-card);
            color: var(--color-text-muted);
        }
        .news-empty .empty-icon {
            font-size: 2.2rem;
            margin-bottom: 12px;
            color: rgba(216, 169, 126, .5);
        }
        @media (max-width: 767.98px) {
            .news-item {
                flex-wrap: wrap;
                gap: 14px;
            }
            .news-content {
                flex: 1 1 calc(100% - 100px);
            }
            .news-meta {
                width: 100%;
                justify-content: flex-end;
            }
            .news-date {
                min-width: 68px;
                padding: 6px 12px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 120px 0;
            background-image: linear-gradient(180deg, rgba(10, 20, 40, .75) 0%, rgba(6, 12, 24, .85) 100%), url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            text-align: center;
            position: relative;
        }
        .cta-section h2 {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 800;
            margin-bottom: 16px;
        }
        .cta-section p {
            color: var(--color-text-secondary);
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0 auto 40px;
        }
        .cta-btn {
            font-size: 1.1rem;
            padding: .9rem 2.4rem;
            box-shadow: 0 0 32px var(--color-accent-glow);
        }
        .cta-btn:hover {
            box-shadow: 0 0 48px rgba(216, 169, 126, .65);
            transform: translateY(-2px);
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 100px 0;
            background: var(--color-bg);
        }
        .faq-layout {
            display: grid;
            grid-template-columns: 1fr 1.4fr;
            gap: 48px;
            align-items: flex-start;
        }
        .faq-intro h2 {
            font-size: clamp(1.9rem, 3.5vw, 2.8rem);
            font-weight: 800;
            margin-bottom: 16px;
        }
        .faq-intro p {
            color: var(--color-text-secondary);
            line-height: 1.7;
        }
        .faq-intro .faq-contact {
            margin-top: 24px;
            padding: 20px 24px;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            font-size: .9rem;
            color: var(--color-text-secondary);
        }
        .faq-intro .faq-contact i {
            color: var(--color-accent);
            margin-right: 6px;
        }
        .accordion-item {
            background: var(--color-surface);
            border: 1px solid var(--color-border) !important;
            border-radius: var(--radius-card) !important;
            margin-bottom: 12px;
            overflow: hidden;
            backdrop-filter: blur(12px);
        }
        .accordion-button {
            background: transparent !important;
            color: var(--color-text) !important;
            font-weight: 600;
            font-size: 1rem;
            padding: 18px 24px;
            height: auto;
            line-height: 1.4;
            border: none !important;
            box-shadow: none !important;
        }
        .accordion-button:not(.collapsed) {
            color: var(--color-accent) !important;
            background: var(--color-surface-strong) !important;
            border-left: 3px solid var(--color-accent) !important;
        }
        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='rgba(216,169,126,.8)'%3e%3cpath d='M8 4a.5.5 0 0 1 .5.5v5.793l2.146-2.147a.5.5 0 0 1 .708.708l-3 3a.5.5 0 0 1-.708 0l-3-3a.5.5 0 1 1 .708-.708L7.5 10.293V4.5A.5.5 0 0 1 8 4z'/%3e%3c/svg%3e");
            transition: transform .3s;
        }
        .accordion-button:not(.collapsed)::after {
            transform: rotate(-180deg);
        }
        .accordion-button:focus {
            box-shadow: none;
            outline: none;
        }
        .accordion-body {
            padding: 0 24px 24px;
            color: var(--color-text-secondary);
            font-size: .95rem;
            line-height: 1.75;
            border-top: 1px solid rgba(255, 255, 255, .05);
        }
        @media (max-width: 991.98px) {
            .faq-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-bg-deep);
            padding: 70px 0 40px;
            position: relative;
        }
        .site-footer::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--color-accent-glow), transparent);
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
            margin-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, .06);
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 14px;
            color: var(--color-text);
        }
        .footer-brand .footer-logo .brand-mark {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, #E2B98D, var(--color-accent-deep));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: #1A120B;
            flex-shrink: 0;
        }
        .footer-brand p {
            color: var(--color-text-muted);
            font-size: .9rem;
            line-height: 1.7;
            margin-bottom: 20px;
            max-width: 360px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: 50%;
            color: var(--color-text-secondary);
            font-size: .95rem;
            transition: all .3s;
        }
        .footer-social a:hover {
            background: rgba(216, 169, 126, .15);
            border-color: rgba(216, 169, 126, .3);
            color: var(--color-accent);
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
            color: var(--color-text);
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            color: var(--color-text-muted);
            font-size: .9rem;
            transition: color .25s;
        }
        .footer-col ul a:hover {
            color: var(--color-accent);
        }
        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: var(--color-text-muted);
            font-size: .9rem;
            margin-bottom: 12px;
        }
        .footer-contact li i {
            color: var(--color-accent);
            margin-top: 4px;
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            color: var(--color-text-muted);
            font-size: .82rem;
        }
        @media (max-width: 991.98px) {
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 575.98px) {
            .footer-top {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: article */
:root {
    --color-bg-deep: #060C18;
    --color-bg: #0A1428;
    --color-surface: rgba(255,255,255,.055);
    --color-surface-strong: rgba(255,255,255,.09);
    --color-border: rgba(255,255,255,.13);
    --color-border-strong: rgba(255,255,255,.22);
    --color-accent: #D8A97E;
    --color-accent-deep: #B7865F;
    --color-accent-glow: rgba(216,169,126,.42);
    --color-primary: #2E5A8A;
    --color-text: #EAF0F9;
    --color-text-secondary: rgba(234,240,249,.75);
    --color-text-muted: rgba(234,240,249,.52);
    --radius-card: 18px;
    --radius-btn: 999px;
    --shadow-card: 0 18px 48px rgba(0,0,0,.38);
    --font-stack: "PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: var(--font-stack);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.75;
    font-size: 1rem;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
a {
    color: inherit;
    text-decoration: none;
    transition: color .3s ease, border-color .3s ease, background .3s ease;
}
a:hover {
    color: var(--color-accent);
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
button,
input,
select,
textarea {
    font: inherit;
}
::selection {
    background: rgba(216,169,126,.35);
    color: #fff;
}
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--color-bg-deep);
}
::-webkit-scrollbar-thumb {
    background: #1d3557;
    border-radius: 6px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent-deep);
}
.container {
    max-width: 1280px;
}

/* 导航 */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1050;
    background: rgba(6,12,24,.72);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(216,169,126,.18);
}
.navbar {
    padding: .85rem 0;
}
.navbar-brand {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    color: var(--color-text);
    font-size: 1.22rem;
    font-weight: 800;
    letter-spacing: .02em;
}
.navbar-brand:hover {
    color: var(--color-text);
}
.brand-mark {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-deep));
    color: #0A1428;
    font-size: 1.05rem;
    box-shadow: 0 0 18px rgba(216,169,126,.35);
    transition: transform .3s ease, box-shadow .3s ease;
}
.navbar-brand:hover .brand-mark {
    transform: rotate(-8deg) scale(1.06);
    box-shadow: 0 0 26px rgba(216,169,126,.5);
}
.navbar-nav {
    gap: .35rem;
}
.navbar-nav .nav-link {
    color: var(--color-text-secondary);
    font-weight: 600;
    font-size: .98rem;
    padding: .55rem 1.15rem !important;
    border-radius: 999px;
    transition: color .3s ease, background .3s ease;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--color-accent);
    background: rgba(216,169,126,.08);
}
.header-cta {
    margin-left: .8rem;
}
.btn-glow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: .75rem 1.6rem;
    border-radius: var(--radius-btn);
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-deep));
    color: #0A1428 !important;
    font-weight: 700;
    font-size: .98rem;
    border: none;
    box-shadow: 0 0 24px rgba(216,169,126,.35);
    transition: all .3s ease;
    white-space: nowrap;
}
.btn-glow:hover,
.btn-glow:focus {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 0 38px var(--color-accent-glow);
    color: #0A1428 !important;
    outline: none;
}
.btn-glow:active {
    transform: translateY(0) scale(.99);
    box-shadow: 0 0 20px rgba(216,169,126,.3);
}
.btn-glow:focus-visible {
    box-shadow: 0 0 0 3px rgba(255,255,255,.45), 0 0 38px var(--color-accent-glow);
}
.navbar-toggler {
    border: 1px solid var(--color-border);
    padding: .4rem .65rem;
    border-radius: 10px;
    background: transparent;
}
.navbar-toggler:focus {
    box-shadow: 0 0 0 3px rgba(216,169,126,.25);
    outline: none;
}
.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28216,169,126,0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* 文章首屏 */
.article-hero {
    position: relative;
    overflow: hidden;
    padding: 195px 0 80px;
    border-bottom: 1px solid rgba(216,169,126,.14);
}
.article-hero::before {
    content: "";
    position: absolute;
    inset: -8% 0 -8%;
    background: url('/assets/images/backpic/back-1.jpg') center 28% / cover no-repeat;
    animation: heroZoom 18s ease-out both;
    will-change: transform;
}
.article-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(6,12,24,.90) 0%, rgba(10,20,40,.72) 55%, var(--color-bg) 100%);
    pointer-events: none;
}
@keyframes heroZoom {
    from {
        transform: scale(1.08);
    }
    to {
        transform: scale(1);
    }
}
.article-hero .container {
    position: relative;
    z-index: 2;
}
.breadcrumb-wrap {
    margin-bottom: 1.4rem;
}
.breadcrumb {
    margin-bottom: 0;
    font-size: .9rem;
    --bs-breadcrumb-divider: '›';
}
.breadcrumb a {
    color: var(--color-text-muted);
}
.breadcrumb a:hover {
    color: var(--color-accent);
}
.breadcrumb-item+.breadcrumb-item::before {
    color: var(--color-text-muted);
    padding: 0 .35rem;
}
.breadcrumb-item.active {
    color: var(--color-text-secondary);
    font-weight: 600;
}
.article-hero h1 {
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -.01em;
    margin: 0 0 1.5rem;
    background: linear-gradient(120deg, #F5E7D3, var(--color-accent) 60%, #C79366);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    max-width: 960px;
}
.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .9rem 1.6rem;
    color: var(--color-text-muted);
    font-size: .92rem;
}
.article-meta span {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
}
.article-meta i {
    color: var(--color-accent);
}
.badge-cat {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    padding: .3rem .9rem;
    border-radius: 999px;
    background: rgba(216,169,126,.12);
    border: 1px solid rgba(216,169,126,.35);
    color: var(--color-accent);
    font-weight: 600;
    font-size: .82rem;
    line-height: 1.4;
}

/* 正文阅读区 */
.article-body {
    padding: 76px 0 90px;
    position: relative;
    background:
        radial-gradient(ellipse at 15% 0%, rgba(46,90,138,.10), transparent 42%),
        radial-gradient(ellipse at 85% 25%, rgba(216,169,126,.06), transparent 36%),
        var(--color-bg);
}
.article-content {
    max-width: 860px;
    margin: 0 auto;
}
.article-content p {
    margin-bottom: 1.6rem;
    color: var(--color-text-secondary);
    line-height: 1.75;
    font-size: 1.04rem;
}
.article-content h2 {
    font-size: 1.65rem;
    font-weight: 800;
    margin: 2.6rem 0 1.2rem;
    padding-left: 16px;
    position: relative;
    color: var(--color-text);
    line-height: 1.3;
}
.article-content h2::before {
    content: "";
    position: absolute;
    left: 0;
    top: .15em;
    width: 4px;
    height: .8em;
    border-radius: 2px;
    background: linear-gradient(180deg, var(--color-accent), var(--color-accent-deep));
    box-shadow: 0 0 12px rgba(216,169,126,.4);
}
.article-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin: 2rem 0 1rem;
    color: var(--color-text);
}
.article-content a {
    color: var(--color-accent);
    border-bottom: 1px solid rgba(216,169,126,.4);
}
.article-content a:hover {
    color: var(--color-accent-deep);
    border-bottom-color: var(--color-accent);
}
.article-content blockquote {
    position: relative;
    margin: 2rem 0;
    padding: 1.5rem 1.8rem;
    background: var(--color-surface);
    border-radius: 16px;
    border-left: 4px solid var(--color-accent);
    box-shadow: var(--shadow-card);
    color: var(--color-text-secondary);
    font-style: normal;
    line-height: 1.75;
}
.article-content img {
    border-radius: 12px;
    margin: 2.2rem auto;
    box-shadow: var(--shadow-card);
}
.article-content img+em,
.article-content figcaption {
    display: block;
    text-align: center;
    color: var(--color-text-muted);
    font-size: .85rem;
    margin-top: -.8rem;
    margin-bottom: 1.8rem;
    font-style: normal;
}
.article-content ul,
.article-content ol {
    margin: 1.4rem 0 1.8rem;
    padding-left: 1.3rem;
    color: var(--color-text-secondary);
}
.article-content li {
    margin-bottom: .5rem;
    line-height: 1.7;
}
.article-content li::marker {
    color: var(--color-accent);
}
.article-content table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 1.8rem 0 2.2rem;
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--color-border);
    background: rgba(255,255,255,.04);
}
.article-content table th,
.article-content table td {
    padding: .9rem 1.1rem;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    text-align: left;
    line-height: 1.6;
}
.article-content table th {
    background: rgba(216,169,126,.1);
    color: var(--color-accent);
    font-weight: 700;
}
.article-content table tr:last-child td {
    border-bottom: 0;
}

/* 文章底部信息 */
.article-foot {
    max-width: 860px;
    margin: 52px auto 0;
    padding-top: 28px;
    border-top: 1px solid var(--color-border);
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: space-between;
    align-items: center;
}
.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
}
.article-share {
    color: var(--color-text-muted);
    font-size: .95rem;
    display: flex;
    align-items: center;
    gap: .7rem;
}
.article-share a {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    transition: all .3s ease;
}
.article-share a:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-3px);
}

/* 内容未找到 */
.not-found {
    text-align: center;
    padding: 88px 24px 96px;
    color: var(--color-text-muted);
}
.not-found i {
    font-size: 3rem;
    color: var(--color-accent);
    display: block;
    margin-bottom: 1.2rem;
    opacity: .6;
}
.not-found p {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-text-secondary);
    margin-bottom: 1.6rem;
}

/* 相关推荐 */
.article-related {
    padding: 88px 0 76px;
    background: var(--color-bg-deep);
    position: relative;
    border-top: 1px solid rgba(216,169,126,.18);
}
.article-related::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent-glow), transparent);
}
.related-heading {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: .5rem;
    margin-bottom: 2.4rem;
}
.related-heading h2 {
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 800;
    margin: 0;
    position: relative;
    padding-left: 16px;
}
.related-heading h2::before {
    content: "";
    position: absolute;
    left: 0;
    top: .12em;
    width: 4px;
    height: .8em;
    border-radius: 2px;
    background: linear-gradient(180deg, var(--color-accent), var(--color-accent-deep));
    box-shadow: 0 0 10px rgba(216,169,126,.35);
}
.related-heading span {
    color: var(--color-text-muted);
    font-size: .95rem;
}
.related-card {
    display: block;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    overflow: hidden;
    height: 100%;
    transition: transform .3s ease, background .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.related-card:hover {
    background: var(--color-surface-strong);
    border-color: var(--color-border-strong);
    transform: translateY(-4px);
    box-shadow: var(--shadow-card);
}
.related-card .card-img {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    position: relative;
    background: linear-gradient(145deg, #0E1E3A, #12233F);
}
.related-card .card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}
.related-card:hover .card-img img {
    transform: scale(1.05);
}
.related-card .card-body {
    padding: 1.2rem 1.3rem 1.4rem;
}
.related-card h3 {
    font-size: 1.08rem;
    font-weight: 700;
    line-height: 1.45;
    margin-bottom: .8rem;
    color: var(--color-text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 3.1em;
    transition: color .3s ease;
}
.related-card:hover h3 {
    color: var(--color-accent);
}
.related-card time {
    font-size: .85rem;
    color: var(--color-text-muted);
    display: inline-flex;
    align-items: center;
    gap: .35rem;
}
.back-home {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    margin-top: 2.6rem;
    color: var(--color-text-secondary);
    font-weight: 600;
    transition: color .3s ease, gap .3s ease;
}
.back-home:hover {
    color: var(--color-accent);
    gap: .7rem;
}

/* CTA 预约条 */
.article-cta {
    position: relative;
    padding: 88px 0;
    text-align: center;
    background:
        linear-gradient(180deg, rgba(6,12,24,.86) 0%, rgba(10,20,40,.82) 100%),
        url('/assets/images/backpic/back-2.jpg') center / cover no-repeat;
    background-blend-mode: overlay;
    border-top: 1px solid rgba(216,169,126,.18);
}
.article-cta h2 {
    font-size: clamp(1.9rem, 3.5vw, 2.8rem);
    font-weight: 800;
    margin-bottom: .9rem;
}
.article-cta p {
    max-width: 540px;
    margin: 0 auto 2rem;
    color: var(--color-text-secondary);
    font-size: 1.05rem;
}

/* 页脚 */
.site-footer {
    background: var(--color-bg-deep);
    padding: 72px 0 0;
    position: relative;
    border-top: 1px solid rgba(216,169,126,.18);
}
.site-footer::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 70%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent-glow), transparent);
}
.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 2.5rem;
    padding-bottom: 48px;
}
.footer-logo {
    display: flex;
    align-items: center;
    gap: .55rem;
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--color-text);
}
.footer-brand p {
    color: var(--color-text-muted);
    font-size: .95rem;
    line-height: 1.75;
    max-width: 420px;
    margin-bottom: 1.4rem;
}
.footer-social {
    display: flex;
    gap: .8rem;
}
.footer-social a {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    transition: all .3s ease;
}
.footer-social a:hover {
    background: rgba(216,169,126,.12);
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-3px);
}
.footer-col h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    color: var(--color-text);
}
.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-col ul li {
    margin-bottom: .8rem;
}
.footer-col ul li a {
    color: var(--color-text-muted);
    transition: color .3s ease, padding-left .3s ease;
}
.footer-col ul li a:hover {
    color: var(--color-accent);
    padding-left: 4px;
}
.footer-contact li {
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: .6rem;
}
.footer-contact i {
    color: var(--color-accent);
    width: 18px;
    text-align: center;
}
.footer-bottom {
    padding: 24px 0;
    border-top: 1px solid rgba(216,169,126,.18);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: .6rem;
    color: var(--color-text-muted);
    font-size: .9rem;
}

/* 响应式 */
@media (max-width: 991px) {
    .navbar-collapse {
        background: rgba(6,12,24,.96);
        border-radius: 16px;
        padding: 1rem;
        margin-top: .8rem;
        border: 1px solid var(--color-border);
        box-shadow: 0 20px 40px rgba(0,0,0,.4);
    }
    .navbar-nav {
        gap: .25rem;
        align-items: stretch !important;
    }
    .header-cta {
        margin-left: 0;
        margin-top: .6rem;
        width: 100%;
    }
    .header-cta .btn-glow {
        width: 100%;
    }
    .footer-top {
        grid-template-columns: 1fr 1fr;
    }
    .article-hero {
        padding: 170px 0 62px;
    }
}
@media (max-width: 767px) {
    .article-hero {
        padding: 145px 0 48px;
    }
    .article-hero h1 {
        font-size: clamp(1.7rem, 6.5vw, 2.2rem);
        line-height: 1.2;
    }
    .article-body {
        padding: 52px 0 60px;
    }
    .article-content {
        padding: 0 4px;
    }
    .article-content p {
        font-size: 1rem;
    }
    .article-content h2 {
        font-size: 1.4rem;
    }
    .article-related {
        padding: 64px 0 56px;
    }
    .article-cta {
        padding: 64px 0;
    }
    .footer-top {
        grid-template-columns: 1fr;
        gap: 1.8rem;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    .article-foot {
        flex-direction: column;
        align-items: flex-start;
    }
    .related-heading {
        flex-direction: column;
        align-items: flex-start;
        gap: .4rem;
    }
}