/* ===== RESET & BASE ===== */
        *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            color: #333;
            line-height: 1.6;
            background: #fff;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a { text-decoration: none; color: inherit; transition: color .2s; }
        ul { list-style: none; }
        img { max-width: 100%; display: block; }
        button { cursor: pointer; font-family: inherit; }
        input, select { font-family: inherit; }

        /* ===== CSS VARIABLES (BLUE THEME) ===== */
        :root {
            --primary: #1E5FBB;
            --primary-dark: #15468A;
            --primary-deeper: #0D3163;
            --primary-light: #EBF3FF;
            --primary-muted: #7DAAE6;
            --accent: #FF8C00;
            --accent-hover: #E67A00;
            --accent-light: #FFF4E5;
            --gradient-main: linear-gradient(135deg, #1E5FBB 0%, #2B8AEB 50%, #48A3F5 100%);
            --gradient-hero: linear-gradient(135deg, #0D3163 0%, #1E5FBB 50%, #2576D1 100%);
            --gradient-accent: linear-gradient(135deg, #FF8C00 0%, #FFA940 100%);
            --text-dark: #141B2D;
            --text-mid: #4A5568;
            --text-light: #8896AB;
            --bg-gray: #F0F4F8;
            --bg-warm: #FAFBFD;
            --border: #DFE6EF;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 12px rgba(30,95,187,0.08), 0 2px 6px rgba(0,0,0,0.04);
            --shadow-lg: 0 12px 40px rgba(30,95,187,0.12), 0 4px 12px rgba(0,0,0,0.06);
            --shadow-xl: 0 20px 60px rgba(30,95,187,0.15), 0 8px 20px rgba(0,0,0,0.08);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
        }

        /* ===== CONTAINER ===== */
        .container { width: 1200px; max-width: 94%; margin: 0 auto; }

        /* ===== SCROLL REVEAL ANIMATIONS ===== */
        .reveal {
            opacity: 0;
            transform: translateY(32px);
            transition: opacity .7s cubic-bezier(.22,1,.36,1), transform .7s cubic-bezier(.22,1,.36,1);
        }
        .reveal.visible { opacity: 1; transform: translateY(0); }
        .reveal-delay-1 { transition-delay: .1s; }
        .reveal-delay-2 { transition-delay: .2s; }
        .reveal-delay-3 { transition-delay: .3s; }
        .reveal-delay-4 { transition-delay: .4s; }

        @keyframes float { 0%,100%{ transform:translateY(0); } 50%{ transform:translateY(-8px); } }
        @keyframes pulse { 0%,100%{ box-shadow:0 0 0 0 rgba(255,140,0,.4); } 70%{ box-shadow:0 0 0 12px rgba(255,140,0,0); } }
        @keyframes shimmer { 0%{ background-position:-200% 0; } 100%{ background-position:200% 0; } }
        @keyframes countUp { from { opacity:0; transform:translateY(10px); } to { opacity:1; transform:translateY(0); } }

        /* ===== TOP BAR ===== */
        .top-bar {
            background: var(--primary-deeper);
            color: rgba(255,255,255,.85);
            font-size: 13px;
            padding: 7px 0;
            letter-spacing: .3px;
        }
        .top-bar .container { display: flex; justify-content: space-between; align-items: center; }
        .top-bar .left { display: flex; align-items: center; gap: 20px; }
        .top-bar .left i { margin-right: 4px; font-size: 11px; opacity: .7; }
        .top-bar a { color: rgba(255,255,255,.7); }
        .top-bar a:hover { color: #fff; }
        .top-bar .phone-num { color: #FFD166; font-weight: 600; font-size: 14px; letter-spacing: .5px; }

        /* ===== HEADER ===== */
        .header {
            background: #fff;
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            transition: box-shadow .3s, padding .3s;
        }
        .header.scrolled { box-shadow: var(--shadow-md); padding: 10px 0; }
        .header .container { display: flex; justify-content: space-between; align-items: center; }
        .logo-wrap { display: flex; align-items: center; gap: 12px; }
        .logo-wrap img { height: 50px; transition: height .3s; }
        .header.scrolled .logo-wrap img { height: 42px; }
        .header-right { display: flex; align-items: center; gap: 32px; }
        .header-phone { display: flex; align-items: center; gap: 10px; }
        .header-phone .phone-icon {
            width: 44px; height: 44px;
            background: var(--primary-light);
            border-radius: 50%;
            display: flex; align-items: center; justify-content: center;
            color: var(--primary);
            font-size: 18px;
            flex-shrink: 0;
        }
        .header-phone .label { font-size: 12px; color: var(--text-light); }
        .header-phone .num { font-size: 22px; font-weight: 700; color: var(--primary); letter-spacing: .3px; line-height: 1.2; }

        /* ===== NAV ===== */
        .nav { background: var(--primary); position: relative; z-index: 90; }
        .nav .container { display: flex; align-items: center; justify-content: center; }
        .nav ul { display: flex; justify-content: center; }
        .nav li { position: relative; }
        .nav a {
            display: block;
            padding: 14px 26px;
            color: rgba(255,255,255,.92);
            font-size: 15px;
            font-weight: 500;
            transition: all .25s;
            position: relative;
        }
        .nav a::after {
            content: '';
            position: absolute;
            bottom: 0; left: 50%;
            width: 0; height: 2px;
            background: #fff;
            transition: all .25s;
            transform: translateX(-50%);
        }
        .nav a:hover, .nav a.active { background: rgba(255,255,255,.1); }
        .nav a:hover::after, .nav a.active::after { width: 60%; }
        /* 汉堡菜单按钮 */
        .nav-toggle {
            display: none;
            width: 44px; height: 44px;
            background: none; border: none;
            color: #fff; font-size: 22px;
            cursor: pointer; align-items: center; justify-content: center;
            margin-left: auto; margin-right: 8px;
            border-radius: 8px; transition: background .2s;
        }
        .nav-toggle:hover { background: rgba(255,255,255,.12); }
        .nav-label { display: none; }

        /* ===== HERO BANNER ===== */
        .hero {
            background: var(--gradient-hero);
            position: relative;
            overflow: hidden;
            padding: 60px 0 52px;
            min-height: auto;
        }
        .hero-bg-pattern {
            position: absolute; inset: 0;
            background-image:
                radial-gradient(circle at 20% 80%, rgba(43,138,235,.2) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(72,163,245,.15) 0%, transparent 40%),
                radial-gradient(circle at 60% 60%, rgba(255,255,255,.03) 0%, transparent 30%);
        }
        .hero-deco-1 {
            position: absolute; right: -80px; top: -80px;
            width: 400px; height: 400px;
            border: 1px solid rgba(255,255,255,.06);
            border-radius: 50%;
        }
        .hero-deco-2 {
            position: absolute; right: 60px; bottom: -120px;
            width: 300px; height: 300px;
            border: 1px solid rgba(255,255,255,.04);
            border-radius: 50%;
        }
        .hero .container { display: flex; align-items: center; justify-content: space-between; gap: 48px; position: relative; z-index: 2; }
        .hero-text { flex: 1; min-width: 0; color: #fff; }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255,255,255,.12);
            backdrop-filter: blur(8px);
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 13px;
            margin-bottom: 18px;
            border: 1px solid rgba(255,255,255,.15);
        }
        .hero-tag i { font-size: 14px; color: #FFD166; }
        .hero-title {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.22;
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }
        .hero-title .highlight {
            color: #FFD166;
            position: relative;
        }
        .hero-title .highlight::after {
            content: '';
            position: absolute;
            bottom: 2px; left: 0;
            width: 100%; height: 6px;
            background: rgba(255,209,102,.25);
            border-radius: 3px;
        }
        .hero-sub { font-size: 17px; opacity: .88; margin-bottom: 26px; line-height: 1.7; }
        /* Hero右侧卖点区 */
        .hero-right { flex-shrink: 0; width: 420px; }
        .hero-features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .hf-item {
            background: rgba(255,255,255,.1);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255,255,255,.15);
            border-radius: var(--radius-md);
            padding: 24px 18px;
            text-align: center;
            transition: all .3s;
        }
        .hf-item:hover {
            background: rgba(255,255,255,.18);
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(0,0,0,.15);
        }
        .hf-icon {
            width: 48px; height: 48px;
            background: rgba(255,209,102,.15);
            border-radius: 14px;
            display: flex; align-items: center; justify-content: center;
            font-size: 20px; color: #FFD166;
            margin: 0 auto 12px;
            transition: all .3s;
        }
        .hf-item:hover .hf-icon { background: rgba(255,209,102,.25); transform: scale(1.08); }
        .hf-item h4 { font-size: 15px; color: #fff; font-weight: 600; margin-bottom: 4px; }
        .hf-item p { font-size: 12px; color: rgba(255,255,255,.7); }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--gradient-accent);
            color: #fff;
            padding: 15px 40px;
            border-radius: 30px;
            font-size: 17px;
            font-weight: 700;
            border: none;
            transition: all .3s;
            box-shadow: 0 4px 20px rgba(255,140,0,.35);
            animation: pulse 2s infinite;
        }
        .btn-cta:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 8px 28px rgba(255,140,0,.45); }

        /* ===== FEATURE STRIP ===== */
        .feature-strip { background: #fff; padding: 36px 0; border-bottom: 1px solid var(--border); }
        .feature-strip .container { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
        .feature-item {
            display: flex; align-items: center; gap: 15px;
            padding: 12px 16px; border-radius: var(--radius-md);
            transition: all .3s;
        }
        .feature-item:hover { background: var(--primary-light); }
        .feature-icon {
            width: 54px; height: 54px;
            background: var(--primary-light);
            border-radius: 14px;
            display: flex; align-items: center; justify-content: center;
            font-size: 22px; color: var(--primary);
            flex-shrink: 0;
            transition: all .3s;
        }
        .feature-item:hover .feature-icon { background: var(--primary); color: #fff; transform: scale(1.05); }
        .feature-item h4 { font-size: 15px; color: var(--text-dark); margin-bottom: 2px; font-weight: 600; }
        .feature-item p { font-size: 12.5px; color: var(--text-light); }

        /* ===== SECTION TITLE ===== */
        .section-title { text-align: center; padding: 56px 0 40px; }
        .section-title h2 {
            font-size: 30px; color: var(--text-dark);
            margin-bottom: 10px; font-weight: 700;
            letter-spacing: -.3px;
        }
        .section-title p { font-size: 15px; color: var(--text-light); }
        .section-title .line {
            width: 40px; height: 3px;
            background: var(--gradient-main);
            margin: 14px auto 0;
            border-radius: 2px;
        }

        /* ===== SERVICE CARDS ===== */
        .services { background: var(--bg-gray); padding-bottom: 60px; }
        .service-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
        .service-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 34px 24px 28px;
            text-align: center;
            transition: all .35s cubic-bezier(.22,1,.36,1);
            border: 1px solid var(--border);
            position: relative; overflow: hidden;
        }
        .service-card::before {
            content: '';
            position: absolute; top: 0; left: 0;
            width: 100%; height: 3px;
            background: var(--gradient-main);
            transform: scaleX(0);
            transition: transform .35s;
            transform-origin: left;
        }
        .service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
        .service-card:hover::before { transform: scaleX(1); }
        .service-card .hot {
            position: absolute; top: 14px; right: -28px;
            background: var(--gradient-accent);
            color: #fff; font-size: 11px; font-weight: 600;
            padding: 3px 32px; transform: rotate(45deg);
            letter-spacing: 1px;
        }
        .service-card .s-icon {
            width: 68px; height: 68px;
            background: var(--primary-light);
            border-radius: 18px;
            display: flex; align-items: center; justify-content: center;
            font-size: 28px; color: var(--primary);
            margin: 0 auto 18px;
            transition: all .35s;
        }
        .service-card:hover .s-icon { background: var(--primary); color: #fff; transform: scale(1.08) rotate(-3deg); }
        .service-card h4 { font-size: 18px; margin-bottom: 10px; color: var(--text-dark); font-weight: 600; }
        .service-card .desc { font-size: 13px; color: var(--text-light); line-height: 1.8; }
        .service-card .price { font-size: 28px; color: var(--primary); font-weight: 800; margin: 16px 0 4px; }
        .service-card .price small { font-size: 13px; color: var(--text-light); font-weight: 400; }
        .btn-card {
            display: inline-flex; align-items: center; gap: 6px;
            margin-top: 16px; padding: 9px 28px;
            border: 1.5px solid var(--primary); color: var(--primary);
            border-radius: 22px; font-size: 14px; font-weight: 500;
            transition: all .25s;
        }
        .btn-card:hover { background: var(--primary); color: #fff; transform: scale(1.04); }

        /* ===== RISK CARDS (不注销的危害) ===== */
        .risk-section { background: #fff; padding-bottom: 60px; }
        .risk-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 22px; }
        .risk-card {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all .35s;
            position: relative;
        }
        .risk-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: transparent; }
        .risk-head {
            background: linear-gradient(135deg, #E8590C 0%, #FF8C00 100%);
            color: #fff; padding: 22px 20px; text-align: center;
            position: relative; overflow: hidden;
        }
        .risk-head::after {
            content: '';
            position: absolute; right: -20px; bottom: -20px;
            width: 80px; height: 80px;
            border: 1px solid rgba(255,255,255,.1);
            border-radius: 50%;
        }
        .risk-head h4 { font-size: 18px; margin-bottom: 3px; font-weight: 700; }
        .risk-head p { font-size: 13px; opacity: .78; }
        .risk-body { padding: 20px; }
        .risk-list li {
            padding: 9px 0; font-size: 14px; color: var(--text-mid);
            border-bottom: 1px dashed #eef2f7;
            display: flex; align-items: center; gap: 8px;
        }
        .risk-list li:last-child { border: none; }
        .risk-list li i { color: #E8590C; font-size: 12px; flex-shrink: 0; }

        /* ===== PROCESS ===== */
        .process { background: var(--bg-gray); padding-bottom: 64px; }
        .process-steps { display: flex; align-items: flex-start; }
        .step-item { text-align: center; flex: 1; position: relative; padding: 0 8px; }
        .step-item:not(:last-child)::after {
            content: '';
            position: absolute; top: 28px; right: 0;
            width: calc(100% - 70px); height: 2px;
            left: calc(50% + 35px);
            background: repeating-linear-gradient(90deg, var(--primary-muted) 0, var(--primary-muted) 6px, transparent 6px, transparent 12px);
            opacity: .5;
        }
        .step-num {
            width: 56px; height: 56px;
            background: var(--gradient-main);
            color: #fff; border-radius: 50%;
            display: flex; align-items: center; justify-content: center;
            font-size: 20px; font-weight: 700;
            margin: 0 auto 14px;
            box-shadow: 0 4px 16px rgba(30,95,187,.25);
            position: relative; z-index: 1;
            transition: all .3s;
        }
        .step-item:hover .step-num { transform: scale(1.1); box-shadow: 0 6px 20px rgba(30,95,187,.35); }
        .step-item h4 { font-size: 14px; color: var(--text-dark); margin-bottom: 3px; font-weight: 600; }
        .step-item p { font-size: 12px; color: var(--text-light); }

        /* ===== WHY CHOOSE US ===== */
        .why-us { background: #fff; padding-bottom: 60px; }
        .why-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
        .why-card {
            text-align: center; padding: 36px 22px;
            border-radius: var(--radius-md);
            background: var(--bg-warm);
            border: 1px solid var(--border);
            transition: all .35s;
            position: relative;
        }
        .why-card::before {
            content: '';
            position: absolute; top: 0; left: 50%; transform: translateX(-50%);
            width: 50px; height: 3px;
            background: var(--gradient-main);
            border-radius: 0 0 3px 3px;
            opacity: 0; transition: opacity .3s;
        }
        .why-card:hover { border-color: var(--primary); background: var(--primary-light); box-shadow: var(--shadow-md); }
        .why-card:hover::before { opacity: 1; }
        .why-card .w-icon {
            width: 70px; height: 70px;
            background: var(--primary-light);
            border-radius: 20px;
            display: flex; align-items: center; justify-content: center;
            font-size: 28px; color: var(--primary);
            margin: 0 auto 18px;
            transition: all .35s;
        }
        .why-card:hover .w-icon { background: var(--primary); color: #fff; }
        .why-card h4 { font-size: 17px; color: var(--text-dark); margin-bottom: 10px; font-weight: 600; }
        .why-card p { font-size: 13px; color: var(--text-mid); line-height: 1.8; }

        /* ===== TRUST NUMBERS ===== */
        .trust-numbers { background: #fff; padding: 48px 0; }
        .numbers-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; text-align: center; }
        .num-item {
            padding: 20px;
            border-radius: var(--radius-md);
            transition: all .3s;
        }
        .num-item:hover { background: var(--primary-light); }
        .num-item .big { font-size: 46px; font-weight: 800; color: var(--primary); line-height: 1.1; }
        .num-item .big span { font-size: 18px; font-weight: 600; }
        .num-item p { font-size: 14px; color: var(--text-mid); margin-top: 6px; }

        /* ===== CTA BANNER ===== */
        .cta-banner {
            background: var(--gradient-hero);
            padding: 56px 0; text-align: center; color: #fff;
            position: relative; overflow: hidden;
        }
        .cta-banner .container { position: relative; z-index: 1; }
        .cta-banner::before {
            content: '';
            position: absolute; inset: 0;
            background-image:
                radial-gradient(circle at 30% 50%, rgba(43,138,235,.25) 0%, transparent 50%),
                radial-gradient(circle at 70% 50%, rgba(72,163,245,.15) 0%, transparent 40%);
        }
        .cta-banner h2 { font-size: 32px; margin-bottom: 14px; font-weight: 700; }
        .cta-banner h2 .hl { color: #FFD166; }
        .cta-banner p { font-size: 15px; opacity: .82; margin-bottom: 30px; line-height: 1.8; }
        .cta-banner .btn-cta { animation: none; }

        /* ===== FAQ ===== */
        .faq { background: var(--bg-gray); padding-bottom: 60px; }
        .faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
        .faq-item {
            background: #fff; padding: 18px 22px;
            border-radius: var(--radius-sm);
            display: flex; align-items: center; gap: 14px;
            transition: all .25s; border: 1px solid transparent;
            cursor: pointer;
        }
        .faq-item:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); transform: translateX(4px); }
        .faq-item .q {
            width: 30px; height: 30px;
            background: var(--gradient-main);
            color: #fff; font-weight: 700; font-size: 13px;
            border-radius: 6px;
            display: flex; align-items: center; justify-content: center;
            flex-shrink: 0;
        }
        .faq-item p { font-size: 14px; color: var(--text-mid); font-weight: 500; }
        .faq-item i { margin-left: auto; color: var(--primary-muted); font-size: 12px; opacity: 0; transition: opacity .2s; }
        .faq-item:hover i { opacity: 1; }

        /* ===== FOOTER ===== */
        .footer { background: #141B2D; color: rgba(255,255,255,.65); padding: 48px 0 24px; }
        .footer-top { display: grid; grid-template-columns: 1fr 1fr 1fr 1.5fr; gap: 40px; padding-bottom: 32px; border-bottom: 1px solid rgba(255,255,255,.07); }
        .footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 16px; font-weight: 600; position: relative; padding-bottom: 10px; }
        .footer-col h4::after { content:''; position:absolute; bottom:0; left:0; width:24px; height:2px; background:var(--primary); border-radius:1px; }
        .footer-col li { font-size: 13px; margin-bottom: 10px; transition: all .2s; }
        .footer-col li:hover { color: #fff; transform: translateX(4px); }
        .footer-col li i { margin-right: 6px; font-size: 11px; color: var(--primary-muted); }
        .footer-contact .hotline {
            font-size: 26px; font-weight: 700;
            background: var(--gradient-accent);
            -webkit-background-clip: text; -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .footer-contact .addr { font-size: 13px; margin-top: 12px; line-height: 2; }
        .footer-contact .addr i { margin-right: 6px; color: var(--primary-muted); font-size: 12px; }
        .footer-bottom { text-align: center; padding-top: 24px; font-size: 12px; color: rgba(255,255,255,.35); }
        .footer-bottom a { color: rgba(255,255,255,.45); }
        .footer-bottom a:hover { color: #fff; }

        /* ===== FLOATING SIDEBAR ===== */
        .float-sidebar {
            position: fixed; right: 0; top: 50%; transform: translateY(-50%);
            z-index: 999; display: flex; flex-direction: column; gap: 1px;
        }
        .float-sidebar a {
            display: flex; flex-direction: column; align-items: center; justify-content: center;
            width: 56px; padding: 12px 4px;
            background: var(--primary); color: #fff;
            font-size: 11px; text-align: center; letter-spacing: .3px;
            transition: all .25s;
        }
        .float-sidebar a:first-child { border-radius: var(--radius-sm) 0 0 0; }
        .float-sidebar a:last-child { border-radius: 0 0 0 var(--radius-sm); }
        .float-sidebar a:hover { background: var(--primary-dark); width: 62px; }
        .float-sidebar a i { font-size: 18px; margin-bottom: 3px; }
        .float-sidebar .hot-a { background: var(--accent); }
        .float-sidebar .hot-a:hover { background: var(--accent-hover); }

        /* ===== BACK TO TOP ===== */
        .back-top {
            position: fixed; right: 76px; bottom: 32px;
            width: 44px; height: 44px;
            background: var(--primary); color: #fff;
            border-radius: 50%;
            display: flex; align-items: center; justify-content: center;
            font-size: 16px; cursor: pointer;
            box-shadow: var(--shadow-md);
            transition: all .3s; z-index: 998;
            opacity: 0; pointer-events: none;
        }
        .back-top.show { opacity: 1; pointer-events: auto; }
        .back-top:hover { background: var(--primary-dark); transform: translateY(-3px); }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .service-grid { grid-template-columns: repeat(2,1fr); }
            .risk-grid, .why-grid, .numbers-grid { grid-template-columns: repeat(2,1fr); }
            .feature-strip .container { grid-template-columns: repeat(2,1fr); }
            .process-steps { flex-wrap: wrap; justify-content: center; }
            .step-item { width: 25%; flex: none; margin-bottom: 20px; }
            .step-item::after { display: none; }
            .hero .container { flex-direction: column; text-align: center; gap: 30px; }
            .hero-text { max-width: 100%; text-align: center; }
            .hero-right { width: 100%; max-width: 420px; }
            .footer-top { grid-template-columns: 1fr 1fr; }
            /* 平板端汉堡导航 */
            .nav-toggle { display: flex; }
            .nav .container { justify-content: flex-start; }
            .nav-label { display: block; color: rgba(255,255,255,.9); font-size: 14px; font-weight: 500; margin-left: 12px; }
            .nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: var(--primary-dark);
                position: absolute;
                top: 100%; left: 0;
                box-shadow: 0 8px 24px rgba(0,0,0,.2);
                border-radius: 0 0 12px 12px;
                padding: 8px 0;
                z-index: 100;
            }
            .nav ul.open { display: flex; }
            .nav a { padding: 13px 24px; font-size: 14px; border-bottom: 1px solid rgba(255,255,255,.06); }
            .nav a::after { display: none; }
            .nav li:last-child a { border-bottom: none; }
        }
        @media (max-width: 640px) {
            /* 顶部栏移动端 */
            .top-bar { font-size: 14px; padding: 6px 0; }
            .top-bar .container { flex-direction: column; gap: 2px; text-align: center; }
            .top-bar .left { justify-content: center; gap: 10px; }
            .top-bar .left span:nth-child(2) { display: none; }
            .top-bar .phone-num { font-size: 16px; }

            /* Header移动端 */
            .header { padding: 10px 0; }
            .header.scrolled { padding: 8px 0; }
            .logo-wrap img { height: 42px; }
            .header-phone .num { font-size: 21px; }
            .header-phone .label { font-size: 13px; }
            .header-phone .phone-icon { width: 40px; height: 40px; font-size: 17px; }

            /* 页面板块交替背景美化 */
            .feature-strip { background: linear-gradient(135deg, var(--primary-light) 0%, #f0f7ff 100%); border-bottom: none; padding: 28px 0; }
            .risk-section { background: linear-gradient(180deg, #f8fbff 0%, #eef4fc 100%); }
            .why-us { background: linear-gradient(135deg, #f0f7ff 0%, #fafbfd 100%); }
            .trust-numbers { background: linear-gradient(135deg, var(--primary-deeper) 0%, var(--primary-dark) 100%); padding: 36px 0; border-radius: 0; }
            .trust-numbers .num-item { background: rgba(255,255,255,.08); border-radius: var(--radius-md); }
            .trust-numbers .num-item .big { color: #FFD166; }
            .trust-numbers .num-item p { color: rgba(255,255,255,.75); }

            /* 通用移动端调整 */
            .service-grid, .risk-grid, .faq-grid { grid-template-columns: 1fr; }
            .feature-strip .container { grid-template-columns: 1fr 1fr; gap: 14px; }
            .feature-item { padding: 12px 14px; border-radius: 10px; background: rgba(255,255,255,.7); }
            .feature-icon { width: 48px; height: 48px; font-size: 22px; border-radius: 12px; }
            .feature-item h4 { font-size: 16px; }
            .feature-item p { font-size: 14px; }

            /* Hero移动端 */
            .hero-title { font-size: 34px; }
            .hero-sub { font-size: 16px; }
            .hero { padding: 40px 0 30px; }
            .hero-tag { font-size: 14px; }
            .btn-cta { font-size: 17px; padding: 15px 34px; }
            /* Hero卖点卡片移动端 */
            .hero-right { max-width: 100%; }
            .hf-item { padding: 18px 14px; }
            .hf-icon { width: 46px; height: 46px; font-size: 20px; border-radius: 12px; margin-bottom: 10px; }
            .hf-item h4 { font-size: 16px; }
            .hf-item p { font-size: 14px; }

            /* 板块标题 */
            .section-title { padding: 40px 16px 28px; }
            .section-title h2 { font-size: 26px; }
            .section-title p { font-size: 15px; }
            .float-sidebar { display: none; }

            /* 服务卡片移动端美化 */
            .service-card { padding: 28px 20px 22px; }
            .service-card h4 { font-size: 20px; }
            .service-card .desc { font-size: 15px; }
            .service-card .price { font-size: 30px; }
            .service-card .price small { font-size: 15px; }
            .btn-card { font-size: 16px; padding: 11px 30px; }
            .service-card .s-icon { width: 62px; height: 62px; font-size: 28px; border-radius: 16px; }

            /* 风险卡片移动端 */
            .risk-card { border-radius: var(--radius-md); overflow: hidden; }
            .risk-head h4 { font-size: 20px; }
            .risk-head p { font-size: 15px; }
            .risk-body { padding: 20px; }
            .risk-list li { font-size: 16px; padding: 11px 0; }

            /* CTA横幅移动端 */
            .cta-banner { padding: 40px 0; }
            .cta-banner h2 { font-size: 26px; }
            .cta-banner p { font-size: 15px; }

            /* FAQ移动端 */
            .faq-item { padding: 16px 18px; }
            .faq-item p { font-size: 16px; }
            .faq-item .q { width: 34px; height: 34px; font-size: 15px; }

            /* 底部移动端：隐藏子导航，只保留联系方式 */
            .footer { padding: 36px 0 20px; }
            .footer-top { grid-template-columns: 1fr; gap: 0; padding-bottom: 20px; }
            .footer-col:not(.footer-contact) { display: none; }
            .footer-contact { text-align: center; }
            .footer-contact h4 { font-size: 18px; }
            .footer-contact h4::after { left: 50%; transform: translateX(-50%); }
            .footer-contact .hotline { font-size: 28px; }
            .footer-contact .addr { font-size: 15px; }
            .footer-bottom { font-size: 14px; }

            /* 流程步骤：移动端2列网格 */
            .process-steps {
                display: grid !important;
                grid-template-columns: repeat(2, 1fr);
                gap: 20px 12px;
            }
            .step-item { width: auto; flex: none; padding: 0; }
            .step-item:not(:last-child)::after { display: none; }
            .step-item:last-child {
                grid-column: 1 / -1;
                max-width: 50%;
                margin: 0 auto;
            }
            .step-num { width: 54px; height: 54px; font-size: 20px; }
            .step-item h4 { font-size: 16px; }
            .step-item p { font-size: 14px; }

            /* 为什么选税小鼎：移动端2列 */
            .why-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
            .why-card { padding: 24px 14px; }
            .why-card .w-icon { width: 60px; height: 60px; font-size: 26px; border-radius: 16px; margin-bottom: 12px; }
            .why-card h4 { font-size: 17px; margin-bottom: 6px; }
            .why-card p { font-size: 14px; }

            /* 数据区：移动端2列 */
            .numbers-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
            .num-item { padding: 18px 10px; }
            .num-item .big { font-size: 38px; }
            .num-item .big span { font-size: 17px; }
            .num-item p { font-size: 15px; }
        }