/* roulang page: index */
:root {
            --gold: #C9A96E;
            --gold-rgb: 201, 169, 110;
            --plum: #2D1B2E;
            --carbon: #1A1A1A;
            --carbon-light: #252525;
            --soft-gray: #EAEAEA;
            --muted: #9CA3AF;
            --white: #FFFFFF;
            --card-bg: rgba(45, 27, 46, 0.75);
            --card-border: rgba(201, 169, 110, 0.25);
            --radius-card: 12px;
            --radius-btn: 9999px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(201, 169, 110, 0.15);
            --shadow-card-hover: 0 8px 36px rgba(0, 0, 0, 0.55), 0 0 0 2px rgba(201, 169, 110, 0.45), 0 0 20px rgba(201, 169, 110, 0.35);
            --shadow-neon-text: 0 0 12px rgba(201, 169, 110, 0.6), 0 0 24px rgba(201, 169, 110, 0.3);
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
            background-color: var(--carbon);
            color: var(--soft-gray);
            line-height: 1.8;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-base);
        }
        a:hover {
            color: var(--gold);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }

        /* 容器 */
        .container-custom {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        /* 主导航 */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(26, 26, 26, 0.75);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(201, 169, 110, 0.15);
            transition: all var(--transition-base);
        }
        .site-header.scrolled {
            background: rgba(26, 26, 26, 0.92);
            border-bottom-color: rgba(201, 169, 110, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .brand-logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 0.03em;
            white-space: nowrap;
            text-shadow: 0 0 8px rgba(201, 169, 110, 0.4);
            transition: text-shadow var(--transition-base);
        }
        .brand-logo:hover {
            text-shadow: 0 0 16px rgba(201, 169, 110, 0.7);
            color: var(--gold);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .nav-links a {
            font-size: 0.95rem;
            color: var(--soft-gray);
            position: relative;
            padding: 4px 0;
            transition: color var(--transition-base);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gold);
            border-radius: 1px;
            transition: width var(--transition-base);
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--gold);
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-links a.active {
            font-weight: 600;
        }
        .hamburger-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: transparent;
            border: none;
            cursor: pointer;
            z-index: 1001;
        }
        .hamburger-btn span {
            display: block;
            width: 26px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
            transition: all var(--transition-base);
        }
        .hamburger-btn.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger-btn.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger-btn.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        @media (max-width: 768px) {
            .hamburger-btn {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: 0;
                right: -100%;
                width: 260px;
                height: 100vh;
                background: rgba(26, 26, 26, 0.97);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 80px 32px 40px;
                gap: 24px;
                transition: right var(--transition-base);
                border-left: 1px solid rgba(201, 169, 110, 0.2);
            }
            .nav-links.open {
                right: 0;
            }
            .nav-links a {
                font-size: 1.1rem;
            }
        }

        /* Hero 优惠券墙 */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 100px 24px 80px;
            background: url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 26, 26, 0.7) 0%, rgba(45, 27, 46, 0.8) 50%, rgba(26, 26, 26, 0.9) 100%);
            z-index: 1;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(201, 169, 110, 0.08) 0%, transparent 70%);
            z-index: 2;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 3;
            width: 100%;
            max-width: 1100px;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 40px;
        }
        .hero-badge {
            display: inline-block;
            padding: 8px 20px;
            border: 1px solid rgba(201, 169, 110, 0.5);
            border-radius: 9999px;
            font-size: 0.85rem;
            color: var(--gold);
            letter-spacing: 0.06em;
            background: rgba(201, 169, 110, 0.08);
            backdrop-filter: blur(4px);
        }
        .hero-title {
            font-size: clamp(2.2rem, 5vw, 3.8rem);
            font-weight: 700;
            color: var(--white);
            line-height: 1.25;
            letter-spacing: 0.02em;
            text-shadow: var(--shadow-neon-text);
            max-width: 800px;
        }
        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--soft-gray);
            max-width: 620px;
            line-height: 1.8;
            opacity: 0.9;
        }
        /* 优惠券墙 */
        .coupon-wall {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
            align-items: stretch;
            width: 100%;
            max-width: 900px;
        }
        .coupon-main {
            flex: 1 1 340px;
            max-width: 420px;
            background: var(--card-bg);
            border: 2px solid var(--gold);
            border-radius: 16px;
            padding: 32px 28px;
            position: relative;
            box-shadow: var(--shadow-card-hover), 0 0 30px rgba(201, 169, 110, 0.3);
            display: flex;
            flex-direction: column;
            gap: 16px;
            transition: all var(--transition-base);
            animation: couponPulse 3s ease-in-out infinite;
        }
        @keyframes couponPulse {
            0%,
            100% {
                box-shadow: 0 0 20px rgba(201, 169, 110, 0.4), 0 0 0 2px rgba(201, 169, 110, 0.45);
            }
            50% {
                box-shadow: 0 0 35px rgba(201, 169, 110, 0.65), 0 0 0 3px rgba(201, 169, 110, 0.7);
            }
        }
        .coupon-main:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 44px rgba(0, 0, 0, 0.6), 0 0 0 3px rgba(201, 169, 110, 0.7), 0 0 40px rgba(201, 169, 110, 0.5);
        }
        .coupon-main .coupon-ribbon {
            position: absolute;
            top: -14px;
            right: 24px;
            background: var(--gold);
            color: var(--carbon);
            font-size: 0.78rem;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: 9999px;
            letter-spacing: 0.04em;
            box-shadow: 0 2px 12px rgba(201, 169, 110, 0.5);
        }
        .coupon-main .coupon-icon {
            font-size: 2.5rem;
            color: var(--gold);
        }
        .coupon-main .coupon-name {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--white);
        }
        .coupon-main .coupon-desc {
            font-size: 0.9rem;
            color: var(--soft-gray);
            line-height: 1.6;
        }
        .coupon-main .coupon-value {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--gold);
            line-height: 1;
            text-shadow: 0 0 16px rgba(201, 169, 110, 0.5);
        }
        .coupon-main .coupon-value small {
            font-size: 1rem;
            font-weight: 400;
            color: var(--soft-gray);
        }
        .coupon-side {
            flex: 1 1 200px;
            max-width: 260px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .coupon-mini {
            background: rgba(45, 27, 46, 0.6);
            border: 1px solid rgba(201, 169, 110, 0.3);
            border-radius: 12px;
            padding: 18px 16px;
            text-align: center;
            transition: all var(--transition-base);
            cursor: pointer;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 6px;
        }
        .coupon-mini:hover {
            border-color: var(--gold);
            box-shadow: 0 0 18px rgba(201, 169, 110, 0.3);
            transform: translateY(-2px);
        }
        .coupon-mini .mini-name {
            font-weight: 700;
            color: var(--white);
            font-size: 1rem;
        }
        .coupon-mini .mini-value {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--gold);
        }
        .coupon-mini .mini-desc {
            font-size: 0.78rem;
            color: var(--muted);
        }
        .hero-cta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: var(--gold);
            color: var(--carbon);
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-btn);
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.35);
        }
        .btn-primary:hover {
            filter: brightness(1.12);
            transform: scale(1.03);
            box-shadow: 0 6px 24px rgba(201, 169, 110, 0.5);
            color: var(--carbon);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: transparent;
            color: var(--gold);
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid var(--gold);
            border-radius: var(--radius-btn);
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
        }
        .btn-outline:hover {
            background: var(--gold);
            color: var(--carbon);
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.35);
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 80px 16px 60px;
                min-height: auto;
            }
            .coupon-wall {
                flex-direction: column;
                align-items: center;
            }
            .coupon-main {
                max-width: 100%;
            }
            .coupon-side {
                flex-direction: row;
                max-width: 100%;
                flex-wrap: wrap;
            }
            .coupon-mini {
                flex: 1 1 120px;
                min-width: 120px;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
        }

        /* 板块通用 */
        .section-block {
            padding: 80px 24px;
            position: relative;
        }
        @media (max-width: 768px) {
            .section-block {
                padding: 50px 16px;
            }
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--gold);
            margin-bottom: 12px;
            font-weight: 600;
        }
        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            color: var(--white);
            margin-bottom: 16px;
            position: relative;
            display: inline-block;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 48px;
            height: 3px;
            background: var(--gold);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(201, 169, 110, 0.5);
        }
        .section-desc {
            font-size: 1rem;
            color: var(--soft-gray);
            max-width: 640px;
            line-height: 1.8;
            margin-bottom: 32px;
            opacity: 0.85;
        }

        /* 目标进度 */
        .progress-bar-wrap {
            display: flex;
            align-items: center;
            gap: 0;
            flex-wrap: wrap;
            justify-content: center;
            position: relative;
        }
        .progress-step {
            flex: 0 0 auto;
            text-align: center;
            position: relative;
            z-index: 2;
            padding: 0 12px;
        }
        .progress-step .step-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            border: 2px solid rgba(201, 169, 110, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 10px;
            font-size: 1.3rem;
            color: var(--gold);
            background: var(--carbon-light);
            transition: all var(--transition-base);
            position: relative;
        }
        .progress-step.achieved .step-circle {
            border-color: var(--gold);
            background: rgba(201, 169, 110, 0.15);
            box-shadow: 0 0 16px rgba(201, 169, 110, 0.4);
        }
        .progress-step .step-label {
            font-size: 0.85rem;
            color: var(--soft-gray);
            font-weight: 500;
        }
        .progress-step.achieved .step-label {
            color: var(--gold);
            font-weight: 600;
        }
        .progress-connector {
            flex: 0 0 40px;
            height: 2px;
            background: rgba(201, 169, 110, 0.3);
            position: relative;
            top: -18px;
            z-index: 1;
        }
        .progress-connector.filled {
            background: var(--gold);
            box-shadow: 0 0 6px rgba(201, 169, 110, 0.5);
        }
        @media (max-width: 640px) {
            .progress-bar-wrap {
                flex-direction: column;
                gap: 8px;
            }
            .progress-connector {
                width: 2px;
                height: 24px;
                flex: 0 0 24px;
                top: 0;
            }
            .progress-step {
                display: flex;
                align-items: center;
                gap: 12px;
                text-align: left;
            }
            .progress-step .step-circle {
                margin: 0;
                width: 44px;
                height: 44px;
                font-size: 1rem;
            }
        }

        /* 档位卡片 */
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        @media (max-width: 1024px) {
            .tier-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .tier-grid {
                grid-template-columns: 1fr;
            }
        }
        .tier-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-card);
            padding: 28px 22px;
            text-align: center;
            transition: all var(--transition-base);
            position: relative;
            display: flex;
            flex-direction: column;
            gap: 14px;
            box-shadow: var(--shadow-card);
        }
        .tier-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(201, 169, 110, 0.55);
        }
        .tier-card.featured {
            border: 2px solid var(--gold);
            box-shadow: var(--shadow-card-hover), 0 0 24px rgba(201, 169, 110, 0.3);
        }
        .tier-card .tier-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--gold);
            color: var(--carbon);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 9999px;
            letter-spacing: 0.04em;
            white-space: nowrap;
        }
        .tier-card .tier-name {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--white);
        }
        .tier-card .tier-price {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--gold);
            line-height: 1;
            text-shadow: 0 0 8px rgba(201, 169, 110, 0.4);
        }
        .tier-card .tier-price small {
            font-size: 0.85rem;
            font-weight: 400;
            color: var(--muted);
        }
        .tier-card .tier-perks {
            list-style: none;
            font-size: 0.88rem;
            color: var(--soft-gray);
            line-height: 2;
            text-align: left;
            padding: 0 8px;
        }
        .tier-card .tier-perks li::before {
            content: '✓ ';
            color: var(--gold);
            font-weight: 700;
        }
        .tier-card .btn-primary {
            margin-top: auto;
            padding: 12px 24px;
            font-size: 0.9rem;
            width: 100%;
            justify-content: center;
        }

        /* 支持者墙 */
        .testimonial-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }
        @media (max-width: 768px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }
        .testimonial-card {
            display: flex;
            gap: 20px;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            align-items: flex-start;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(201, 169, 110, 0.4);
        }
        .testimonial-card .testimonial-avatar {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            overflow: hidden;
            border: 2px solid rgba(201, 169, 110, 0.4);
        }
        .testimonial-card .testimonial-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .testimonial-card .testimonial-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .testimonial-card .testimonial-quote {
            font-style: italic;
            color: var(--soft-gray);
            font-size: 0.95rem;
            line-height: 1.7;
            position: relative;
            padding-left: 16px;
            border-left: 3px solid var(--gold);
        }
        .testimonial-card .testimonial-author {
            font-weight: 600;
            color: var(--gold);
            font-size: 0.9rem;
        }
        .testimonial-card .testimonial-role {
            font-size: 0.78rem;
            color: var(--muted);
        }

        /* 观点解读 */
        .insight-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        @media (max-width: 768px) {
            .insight-grid {
                grid-template-columns: 1fr;
            }
        }
        .insight-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .insight-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(201, 169, 110, 0.4);
            transform: translateY(-3px);
        }
        .insight-card .insight-icon {
            font-size: 1.8rem;
            color: var(--gold);
        }
        .insight-card .insight-title {
            font-weight: 700;
            color: var(--white);
            font-size: 1.05rem;
        }
        .insight-card .insight-text {
            font-size: 0.9rem;
            color: var(--soft-gray);
            line-height: 1.7;
        }

        /* 资讯区 */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 32px;
            align-items: start;
        }
        @media (max-width: 768px) {
            .news-layout {
                grid-template-columns: 1fr;
            }
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-item {
            padding: 18px 0;
            border-bottom: 1px solid rgba(201, 169, 110, 0.12);
            display: flex;
            align-items: baseline;
            gap: 16px;
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .news-item:hover {
            padding-left: 8px;
            border-bottom-color: rgba(201, 169, 110, 0.35);
        }
        .news-item .news-date {
            font-size: 0.8rem;
            color: var(--muted);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .news-item .news-title-link {
            font-weight: 500;
            color: var(--soft-gray);
            font-size: 0.95rem;
            line-height: 1.5;
            transition: color var(--transition-base);
        }
        .news-item:hover .news-title-link {
            color: var(--gold);
        }
        .news-sidebar {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
        }
        .news-sidebar h4 {
            font-weight: 700;
            color: var(--white);
            margin-bottom: 16px;
            font-size: 1.05rem;
        }
        .news-sidebar .hot-tag {
            display: inline-block;
            padding: 6px 14px;
            margin: 4px 6px 4px 0;
            border: 1px solid rgba(201, 169, 110, 0.3);
            border-radius: 9999px;
            font-size: 0.8rem;
            color: var(--gold);
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .news-sidebar .hot-tag:hover {
            background: rgba(201, 169, 110, 0.12);
            border-color: var(--gold);
        }

        /* 平台保障 */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        @media (max-width: 768px) {
            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .guarantee-grid {
                grid-template-columns: 1fr;
            }
        }
        .guarantee-item {
            text-align: center;
            padding: 24px 16px;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-card);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }
        .guarantee-item:hover {
            border-color: rgba(201, 169, 110, 0.5);
            box-shadow: var(--shadow-card-hover);
        }
        .guarantee-item .guarantee-icon {
            font-size: 2rem;
            color: var(--gold);
        }
        .guarantee-item .guarantee-title {
            font-weight: 700;
            color: var(--white);
            font-size: 0.95rem;
        }
        .guarantee-item .guarantee-desc {
            font-size: 0.8rem;
            color: var(--muted);
            line-height: 1.5;
        }

        /* 线索表单 */
        .form-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: 16px;
            padding: 36px 32px;
            box-shadow: var(--shadow-card);
            max-width: 600px;
            margin: 0 auto;
        }
        .form-card .form-row {
            display: flex;
            gap: 16px;
            margin-bottom: 16px;
        }
        @media (max-width: 480px) {
            .form-card .form-row {
                flex-direction: column;
            }
        }
        .form-card input,
        .form-card textarea {
            flex: 1;
            padding: 13px 16px;
            background: rgba(26, 26, 26, 0.7);
            border: 1px solid rgba(201, 169, 110, 0.25);
            border-radius: 8px;
            color: var(--white);
            font-size: 0.95rem;
            transition: all var(--transition-base);
        }
        .form-card input:focus,
        .form-card textarea:focus {
            border-color: var(--gold);
            box-shadow: 0 0 12px rgba(201, 169, 110, 0.3);
            outline: none;
        }
        .form-card input::placeholder,
        .form-card textarea::placeholder {
            color: var(--muted);
        }
        .form-card .privacy-note {
            font-size: 0.78rem;
            color: var(--muted);
            margin-top: 8px;
            text-align: center;
        }

        /* 支持按钮 CTA */
        .cta-block {
            text-align: center;
            padding: 60px 24px;
            background: linear-gradient(180deg, rgba(45, 27, 46, 0.5) 0%, rgba(26, 26, 26, 0.9) 100%);
            border-top: 1px solid rgba(201, 169, 110, 0.2);
            border-bottom: 1px solid rgba(201, 169, 110, 0.2);
        }
        .cta-block .cta-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 12px;
        }
        .cta-block .cta-desc {
            font-size: 1rem;
            color: var(--soft-gray);
            max-width: 500px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }
        .cta-block .btn-primary {
            font-size: 1.1rem;
            padding: 16px 40px;
        }

        /* 页脚 */
        .site-footer {
            background: #111111;
            border-top: 1px solid rgba(201, 169, 110, 0.2);
            padding: 48px 24px 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            max-width: 1280px;
            margin: 0 auto;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .footer-brand {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--gold);
            margin-bottom: 10px;
        }
        .footer-desc {
            font-size: 0.85rem;
            color: var(--muted);
            line-height: 1.7;
        }
        .footer-col h4 {
            font-weight: 600;
            color: var(--white);
            margin-bottom: 12px;
            font-size: 0.95rem;
        }
        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: var(--muted);
            padding: 4px 0;
            transition: color var(--transition-base);
        }
        .footer-col a:hover {
            color: var(--gold);
        }
        .footer-bottom {
            text-align: center;
            padding-top: 24px;
            margin-top: 32px;
            border-top: 1px solid rgba(201, 169, 110, 0.1);
            font-size: 0.78rem;
            color: var(--muted);
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
        }

        /* 背景装饰 */
        .bg-accent-strip {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--gold), transparent);
            opacity: 0.5;
        }
        .section-block.alt-bg {
            background: rgba(45, 27, 46, 0.2);
        }

        /* FAQ */
        .faq-list {
            max-width: 720px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid rgba(201, 169, 110, 0.15);
            padding: 18px 0;
            cursor: pointer;
        }
        .faq-item .faq-question {
            font-weight: 600;
            color: var(--white);
            font-size: 1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }
        .faq-item .faq-question .faq-icon {
            color: var(--gold);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            font-size: 0.9rem;
            color: var(--soft-gray);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 10px;
        }