:root {
            color-scheme: light;
            --color-bg: #FFFFFF;
            --color-bg-alt: #FBFBFD;
            --color-bg-dark: #1D1D1F;
            --color-text-primary: #1D1D1F;
            --color-text-secondary: #6E6E73;
            --color-text-tertiary: #86868B;
            --color-text-on-dark: #F5F5F7;
            --color-divider: #D2D2D7;
            --color-brand: #05D38E;
            --color-brand-hover: #0CE59C;
            --color-brand-pressed: #04B87C;
            --color-link: #0066CC;
            --gradient-p1: linear-gradient(30deg, #15EF82 0%, #3CE6E9 100%);
            --gradient-p2: linear-gradient(30deg, #76ADFF 0%, #9494FF 100%);
            --gradient-p3: linear-gradient(30deg, #FFBF1D 0%, #FF712F 100%);
            --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", Inter, "Helvetica Neue", Arial, sans-serif;
            --font-cn: "PingFang SC", "苹方", "Noto Sans SC", "Microsoft YaHei", sans-serif;
            --font-num: Poppins, -apple-system, "SF Pro Display", Inter, sans-serif;
            --font-display-xl: clamp(48px, 9vw, 120px);
            --font-display-l: clamp(40px, 6vw, 80px);
            --font-headline: clamp(36px, 5vw, 72px);
            --font-title: clamp(22px, 2vw, 32px);
            --font-body-l: clamp(18px, 1.6vw, 24px);
            --font-body: 16px;
            --font-caption: 12px;
            --font-eyebrow: 14px;
            --space-1: 4px;
            --space-2: 8px;
            --space-3: 12px;
            --space-4: 16px;
            --space-5: 24px;
            --space-6: 32px;
            --space-8: 48px;
            --space-10: 64px;
            --space-12: 96px;
            --space-16: 128px;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 28px;
            --radius-full: 9999px;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 6px 20px rgba(0,0,0,0.06);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.08);
            --ease-out: cubic-bezier(0.22,1,0.36,1);
            --ease-in-out: cubic-bezier(0.65,0,0.35,1);
            --dur-fast: 150ms;
            --dur-base: 250ms;
            --dur-slow: 500ms;
            --container-max: 1240px;
            --container-pad-desk: 32px;
            --container-pad-mobile: 20px;
        }
        @media (max-width: 734px) {
            :root {
                --font-display-xl: 40px;
                --font-display-l: 32px;
                --font-headline: 26px;
                --font-title: 20px;
            }
        }

        /* RESET & BASE */
        *, *::before, *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-cn), var(--font-sans);
            font-size: var(--font-body);
            color: var(--color-text-primary);
            background: var(--color-bg);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            padding-top: 94px;
        }
        .phrase {
            display: inline-block;
            white-space: nowrap;
        }
        .text-gradient {
            background-clip: text;
            -webkit-background-clip: text;
            color: var(--color-text-primary);
            -webkit-text-fill-color: transparent;
        }
        .grad-p2 {
            background-image: var(--gradient-p2);
        }
        .container {
            max-width: var(--container-max);
            margin-inline: auto;
            padding-inline: var(--container-pad-desk);
        }
        .cta-group {
            display: flex;
            gap: var(--space-5);
            align-items: center;
            flex-wrap: wrap;
        }
        .cta-group.center {
            justify-content: center;
        }
        .fade-in {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
        }
        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* BUTTONS */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-full);
            font-size: 15px;
            font-weight: 500;
            text-decoration: none;
            cursor: pointer;
            border: none;
            transition: background var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
            white-space: nowrap;
            font-family: var(--font-sans);
        }
        .btn:active {
            transform: scale(0.97);
        }
        .btn-primary {
            background: var(--color-text-primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: #2C2C2E;
            font-weight: 600;
        }
        .btn-primary.on-brand {
            background: var(--color-brand-pressed);
            color: #fff;
        }
        .btn-primary.on-brand:hover {
            background: var(--color-brand);
            font-weight: 600;
        }

        /* TOPBAR */
        .site-topbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 201;
            height: 34px;
            background: var(--color-bg-dark);
            display: flex;
            align-items: center;
        }
        .topbar-inner {
            padding-inline: 40px;
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .topbar-products {
            display: flex;
            gap: var(--space-6);
            align-items: center;
            list-style: none;
        }
        .topbar-products a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 400;
            color: rgba(245, 245, 247, 0.45);
            text-decoration: none;
            font-family: var(--font-sans);
            transition: color var(--dur-fast);
        }
        .topbar-products a:hover {
            color: rgba(245, 245, 247, 0.85);
        }
        .topbar-products li.active a {
            color: rgba(245, 245, 247, 0.45);
            font-weight: 600;
        }
        .topbar-products .dot { width: 14px; height: 14px; border-radius: 4px; flex-shrink: 0; background-size: contain; background-position: center; background-repeat: no-repeat; }
        .topbar-products .dot-fakao { background-image: url(images/icon-fakao.png); }
        .topbar-products .dot-fashuo { background-image: url(images/icon-fashuo.png); }
        .topbar-products .dot-cpa { background-image: url(images/icon-cpa.png); }
        .app-download-btn { position: relative; }
        .topbar-products .dot-app { position: relative; overflow: hidden; background: transparent; }
        .topbar-products .dot-app img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: contain; opacity: 0; transition: opacity 0.8s ease, transform 0.8s ease; }
        .topbar-products .dot-app img.dot-app-android { opacity: 1; animation: jx-topbar-slide-1 7s infinite; }
        .topbar-products .dot-app img.dot-app-ios { opacity: 0; animation: jx-topbar-slide-2 7s infinite; }
        @keyframes jx-topbar-slide-1 { 0%, 40% { opacity: 1; transform: translateY(0); } 45%, 95% { opacity: 0; transform: translateY(100%); } 100% { opacity: 1; transform: translateY(0); } }
        @keyframes jx-topbar-slide-2 { 0%, 40% { opacity: 0; transform: translateY(-100%); } 45%, 95% { opacity: 1; transform: translateY(0); } 100% { opacity: 0; transform: translateY(100%); } }
        .app-qrcode { display: none; position: absolute; top: 100%; left: 50%; transform: translateX(-50%); width: 120px; height: 120px; margin-top: 8px; border-radius: 8px; box-shadow: 0 4px 20px rgba(0,0,0,0.3); z-index: 1000; }
        .app-download-btn:hover .app-qrcode { display: block; }
        @media (max-width: 734px) {
            .topbar-products a span:not(.dot) { display: none; }
            .topbar-products { gap: var(--space-3); }
        }

        /* NAV */
        .site-nav {
            position: fixed;
            top: 34px;
            left: 0;
            right: 0;
            z-index: 200;
            height: 68px;
            background: rgba(255, 255, 255, 0.82);
            backdrop-filter: saturate(180%) blur(20px);
            -webkit-backdrop-filter: saturate(180%) blur(20px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        }
        .nav-inner {
            padding-inline: 40px;
            height: 100%;
            display: flex;
            align-items: center;
            gap: var(--space-5);
        }
        .nav-logo{display:flex;align-items:center;text-decoration:none;flex-shrink:0;}
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin-left: 40px;
        }
        .nav-links a {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-primary);
            text-decoration: none;
            transition: font-weight var(--dur-fast);
        }
        .nav-links a:hover {
            font-weight: 600;
        }
        .nav-links a.nav-active {
            font-weight: 600;
            color: var(--color-brand-pressed);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: var(--space-4);
            flex-shrink: 0;
            margin-left: auto;
        }
        .nav-actions .btn-primary.on-brand {
            position: relative;
            overflow: hidden;
            background: #FF9500;
            box-shadow: 0 4px 12px rgba(255,149,0,0.30), 0 0 18px rgba(255,149,0,0.18);
        }
        .nav-actions .btn-primary.on-brand:hover {
            background: #E68600;
            box-shadow: 0 8px 22px rgba(255,149,0,0.42), 0 0 28px rgba(255,149,0,0.32);
            transform: translateY(-1px);
        }
        .nav-actions .btn-primary.on-brand > * {
            position: relative;
            z-index: 2;
        }
        .nav-actions .btn-primary.on-brand::before {
            content: '';
            position: absolute;
            top: 0;
            left: -75%;
            width: 55%;
            height: 100%;
            background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,0.55) 50%, transparent 100%);
            transform: skewX(-22deg);
            animation: nav-study-shine 3.6s ease-in-out 1.2s infinite;
            z-index: 1;
            pointer-events: none;
        }
        @keyframes nav-study-shine {
            0% { left: -75%; opacity: 0; }
            10% { opacity: 1; }
            50% { left: 130%; opacity: 1; }
            60%, 100% { left: 130%; opacity: 0; }
        }
        @media (prefers-reduced-motion: reduce) {
            .nav-actions .btn-primary.on-brand::before { animation: none; display: none; }
        }
        .nav-actions .btn-consult {
            background: var(--color-brand);
            color: #fff;
            border-color: transparent;
        }
        .nav-actions .btn-consult:hover {
            background: var(--color-brand-pressed);
            color: #fff;
            border-color: transparent;
        }
        .nav-mobile-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            color: var(--color-text-primary);
        }
        .nav-mobile-actions { display: none; }
        @media (max-width: 1068px) {
            .nav-links {
                display: none;
            }
            .nav-mobile-toggle {
                display: flex;
                align-items: center;
            }
            .nav-inner > .nav-actions > a.btn { display: none; }
            .nav-mobile-actions {
                display: block;
                order: -1;
                width: 100%;
                margin-bottom: 16px;
                padding-bottom: 16px;
                border-bottom: 1px solid rgba(0,0,0,0.08);
            }
            .nav-mobile-actions .nav-actions { margin-left: 0; width: 100%; }
            .nav-mobile-actions .nav-actions .btn { flex: 1; }
        }

        /* SUBPAGE HERO */
        .subpage-hero {
            padding-top: 40px;
            padding-bottom: 40px;
            background: radial-gradient(ellipse 70% 60% at 20% 10%, rgba(118, 173, 255, 0.15), transparent 60%),
                        radial-gradient(ellipse 60% 50% at 85% 20%, rgba(148, 148, 255, 0.13), transparent 60%),
                        radial-gradient(ellipse 80% 60% at 50% 80%, rgba(60, 230, 233, 0.18), transparent 65%),
                        linear-gradient(180deg, #FAFAFC 0%, #FFFFFF 100%);
            text-align: center;
        }
        .subpage-hero .container {
            max-width: 800px;
        }
        .subpage-hero .crumb-row {
            max-width: var(--container-max);
            margin-inline: auto;
            padding-inline: var(--container-pad-desk);
        }
        .breadcrumb {
            padding-bottom: 12px;
            font-size: 13px;
            color: var(--color-text-tertiary);
            text-align: left;
            position: relative;
            z-index: 2;
        }
        .breadcrumb a {
            color: var(--color-text-secondary);
            text-decoration: none;
            transition: color var(--dur-fast);
        }
        .breadcrumb a:hover {
            color: var(--color-brand);
        }
        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: var(--space-2);
            font-size: var(--font-eyebrow);
            font-weight: 600;
            letter-spacing: 0.04em;
            color: var(--color-brand-pressed);
            background: rgba(5, 211, 142, 0.08);
            padding: 5px 14px;
            border-radius: var(--radius-full);
            margin-bottom: var(--space-5);
            font-family: var(--font-sans);
        }
        .subpage-hero h1 {
            font-size: var(--font-display-l);
            font-weight: 800;
            line-height:1.42;
            letter-spacing: -0.025em;
            color: var(--color-text-primary);
            margin-bottom: var(--space-5);
            font-family: var(--font-sans);
            text-wrap: balance;
        }
        .subpage-hero .hero-sub {
            font-size: var(--font-body-l);
            color: var(--color-text-secondary);
            line-height: 1.55;
            margin-bottom: var(--space-8);
            max-width: 600px;
            margin-inline: auto;
            letter-spacing: -0.005em;
        }
        .subpage-hero .hero-sub strong {
            color: var(--color-text-primary);
            font-weight: 600;
        }

        /* SECTIONS */
        section {
            padding-block: 80px;
        }
        .bg-alt {
            background: var(--color-bg-alt);
        }
        .bg-dark {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
        }
        .section-eyebrow {
            display: inline-block;
            font-size: var(--font-eyebrow);
            font-weight: 600;
            letter-spacing: 0.04em;
            color: var(--color-brand-pressed);
            margin-bottom: var(--space-4);
            font-family: var(--font-sans);
        }
        .section-eyebrow.on-dark {
            color: var(--color-brand);
        }
        .section-headline {
            font-size: var(--font-headline);
            font-weight: 600;
            line-height:1.38;
            letter-spacing: -0.02em;
            color: var(--color-text-primary);
            margin-bottom: var(--space-5);
            font-family: var(--font-sans);
        }
        .section-headline.on-dark {
            color: var(--color-text-on-dark);
        }
        .section-sub {
            font-size: var(--font-body-l);
            color: var(--color-text-secondary);
            line-height: 1.55;
            max-width: 640px;
            letter-spacing: -0.005em;
        }
        .section-sub.on-dark {
            color: rgba(245, 245, 247, 0.7);
        }
        .section-header {
            margin-bottom: var(--space-12);
        }
        .section-header.center {
            text-align: center;
        }
        .section-header.center .section-sub {
            margin-inline: auto;
        }

        /* CARDS */
        .card-grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: var(--space-12);
        }
        .card-grid-6 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: var(--space-12);
        }
        .card-grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: var(--space-12);
        }
        .info-card {
            background: var(--color-bg);
            border-radius: var(--radius-xl);
            padding: var(--space-8) var(--space-6);
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(0, 0, 0, 0.04);
            transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
        }
        .info-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .info-card.dark {
            background: #2C2C2E;
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: var(--color-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: var(--space-5);
        }
        .card-icon svg {
            width: 24px;
            height: 24px;
            fill: #fff;
        }
        .card-eyebrow {
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.06em;
            color: var(--color-text-tertiary);
            margin-bottom: var(--space-3);
            font-family: var(--font-num);
        }
        .card-eyebrow.on-dark {
            color: rgba(245, 245, 247, 0.4);
        }
        .card-title {
            font-size: var(--font-title);
            font-weight: 600;
            color: var(--color-text-primary);
            margin-bottom: var(--space-3);
            font-family: var(--font-sans);
        }
        .card-title.on-dark {
            color: var(--color-text-on-dark);
        }
        .card-desc {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.65;
        }
        .card-desc.on-dark {
            color: rgba(245, 245, 247, 0.65);
        }
        .card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            background: rgba(5, 211, 142, 0.10);
            color: var(--color-brand-pressed);
            margin-top: var(--space-4);
            font-family: var(--font-sans);
            margin-right: var(--space-2);
        }

        /* TEACHER CARD */
        .teacher-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: var(--space-8);
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(0, 0, 0, 0.04);
            transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
            text-align: center;
        }
        .teacher-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-md);
            border-color: var(--color-brand);
        }
        .teacher-avatar {
            width: 88px;
            height: 88px;
            border-radius: 24px;
            margin: 0 auto var(--space-5);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            font-family: var(--font-sans);
            position: relative;
            flex-shrink: 0;
        }
        /* 头像内文字阴影 */
        .teacher-avatar span {
            position: relative;
            z-index: 1;
            text-shadow: 0 1px 4px rgba(0,0,0,0.18);
        }
        /* 各老师专属渐变色 */
        .teacher-card:nth-child(1) .teacher-avatar { background: linear-gradient(135deg, #05D38E 0%, #3CE6E9 100%); }
        .teacher-card:nth-child(2) .teacher-avatar { background: linear-gradient(135deg, #667EEA 0%, #764BA2 100%); }
        .teacher-card:nth-child(3) .teacher-avatar { background: linear-gradient(135deg, #F7971E 0%, #FFD200 100%); }
        .teacher-card:nth-child(4) .teacher-avatar { background: linear-gradient(135deg, #F953C6 0%, #B91D73 100%); }
        .teacher-card:nth-child(5) .teacher-avatar { background: linear-gradient(135deg, #4776E6 0%, #8E54E9 100%); }
        .teacher-card:nth-child(6) .teacher-avatar { background: linear-gradient(135deg, #11998E 0%, #38EF7D 100%); }
        .teacher-card:nth-child(7) .teacher-avatar { background: linear-gradient(135deg, #FC4A1A 0%, #F7B733 100%); }
        .teacher-name {
            font-size: var(--font-title);
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: var(--space-2);
        }
        .teacher-subject {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-brand);
            margin-bottom: var(--space-4);
        }
        .teacher-tags {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-2);
            justify-content: center;
            margin-bottom: var(--space-4);
        }
        .teacher-tag {
            font-size: 11px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            background: rgba(5, 211, 142, 0.12);
            color: var(--color-brand-pressed);
        }
        .teacher-bio {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.65;
        }

        /* NUMBERS */
        .num-item {
            background: transparent;
            padding: var(--space-8);
            text-align: center;
            border-radius: var(--radius-lg);
        }
        .num-item:hover {
            background: rgba(5, 211, 142, 0.05);
        }
        .num-big {
            font-size: var(--font-display-l);
            font-weight: 700;
            line-height: 1.05;
            color: var(--color-brand);
            font-family: var(--font-num);
            margin-bottom: var(--space-3);
        }
        .num-big .num-accent {
            color: var(--color-brand);
        }
        .num-label {
            font-size: 15px;
            color: var(--color-text-secondary);
        }

        /* FINAL CTA */
        .final-cta {
            background: var(--color-bg-dark);
            padding-block: var(--space-16);
            text-align: center;
        }
        .final-cta h2 {
            font-size: calc(var(--font-display-l) * 0.8);
            font-weight: 700;
            line-height: 1.16;
            color: var(--color-text-on-dark);
            margin-bottom: var(--space-5);
            font-family: var(--font-sans);
            text-wrap: balance;
        }
        .final-cta p {
            font-size: var(--font-body-l);
            color: rgba(245, 245, 247, 0.65);
            margin-bottom: var(--space-8);
        }

          /* ── Footer ── */
  .site-footer {
    background: #0e0e10;
    padding-block: 64px 0;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 56px;
  }
  .footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
  .footer-brand-name { font-size: 17px; font-weight: 700; color: #fff; font-family: var(--font-sans); }
  .footer-brand-tagline { font-size: 13px; color: rgba(255,255,255,0.45); line-height: 1.6; margin-bottom: 20px; }
  .footer-apps { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 20px; }
  .footer-app-btn {
    display: flex; align-items: center; gap: 8px; padding: 9px 16px;
    border: 1px solid rgba(255,255,255,0.15); border-radius: 10px;
    text-decoration: none; background: rgba(255,255,255,0.05);
    transition: background 0.2s, border-color 0.2s; min-width: 128px;
  }
  .footer-app-btn:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.3); }
  .footer-app-btn svg { width: 20px; height: 20px; fill: #fff; flex-shrink: 0; }
  .footer-app-btn-text { display: flex; flex-direction: column; }
  .footer-app-label { font-size: 10px; color: rgba(255,255,255,0.5); line-height: 1.2; }
  .footer-app-platform { font-size: 13px; font-weight: 600; color: #fff; line-height: 1.3; }
  .footer-socials { display: flex; gap: 16px; }
  .footer-socials a { font-size: 13px; color: rgba(255,255,255,0.4); text-decoration: none; transition: color 0.2s; }
  .footer-socials a:hover { color: rgba(255,255,255,0.8); }
  .footer-wechat-btn { position: relative; }
  .footer-wechat-qrcode { display: none; position: absolute; bottom: 100%; left: 50%; transform: translateX(-50%); width: 120px; height: auto; margin-bottom: 8px; border-radius: 8px; box-shadow: 0 4px 20px rgba(0,0,0,0.3); z-index: 1000; }
  .footer-wechat-btn:hover .footer-wechat-qrcode { display: block; }
  .footer-col-title { font-size: 14px; font-weight: 700; color: #fff; margin-bottom: 16px; font-family: var(--font-sans); }
  .footer-links { display: flex; flex-direction: column; gap: 12px; list-style: none; }
  .footer-links a { font-size: 13.5px; color: rgba(255,255,255,0.45); text-decoration: none; transition: color 0.2s; }
  .footer-links a:hover { color: rgba(255,255,255,0.85); }
  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 24px 0 20px;
    display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  }
  .footer-legal-company { font-size: 0.8125rem; color: rgba(255,255,255,0.7); margin-bottom: var(--space-2); font-weight: 500; }
  .footer-legal-records { font-size: 0.75rem; color: rgba(255,255,255,0.45); line-height: 1.8; max-width: 680px; display: flex; flex-wrap: wrap; gap: 4px 8px; align-items: center; margin-bottom: var(--space-2); }
  .footer-legal-records a { color: rgba(255,255,255,0.45); text-decoration: none; }
  .footer-legal-records a:hover { color: rgba(255,255,255,0.7); }
  .footer-legal-records .dot { margin: 0 4px; }
  .footer-legal-links { display: flex; align-items: center; gap: 8px; flex-shrink: 0; padding-top: 2px; color: rgba(255,255,255,0.45); font-size: 0.75rem; }
  .footer-legal-links a { font-size: 13px; color: rgba(255,255,255,0.45); text-decoration: none; transition: color 0.2s; }
  .footer-legal-links a:hover { color: rgba(255,255,255,0.7); }
  .footer-legal-links .dot { color: rgba(255,255,255,0.2); }
  .footer-tagline { font-size: 12px; color: rgba(255,255,255,0.45); font-style: italic; letter-spacing: 0.02em; padding: 14px 0 22px; }


        /* RESPONSIVE */
        @media (max-width: 1068px) {
            .card-grid-3 {
                grid-template-columns: 1fr 1fr;
            }
            .card-grid-6 {
                grid-template-columns: 1fr 1fr;
            }
            .card-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 734px) {
            section {
                padding-block: 80px;
            }
            .subpage-hero {
                padding-top: 120px;
                padding-bottom: 60px;
            }
            .card-grid-3, .card-grid-6, .card-grid-4 {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-8);
            }
            .cta-group {
                flex-direction: column;
                align-items: stretch;
            }
            .btn {
                justify-content: center;
            }
        }

        /* ── VS 对比框 ── */
        .vs-box {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            margin-top: var(--space-10);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-divider);
        }
        .vs-col { padding: var(--space-8) var(--space-7); }
        .vs-col-us  { background: rgba(5,211,142,0.06); border-right: 1px solid var(--color-divider); }
        .vs-col-others { background: var(--color-bg-alt); }
        .vs-col-header {
            font-size: 0.8125rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: var(--space-5);
            padding-bottom: var(--space-3);
            border-bottom: 1px solid var(--color-divider);
        }
        .vs-col-us .vs-col-header     { color: var(--color-brand); }
        .vs-col-others .vs-col-header  { color: var(--color-text-tertiary); }
        .vs-list { list-style: none; display: flex; flex-direction: column; gap: var(--space-3); }
        .vs-list li { font-size: 0.9375rem; line-height: 1.6; color: var(--color-text-secondary); }
        .vs-col-us .vs-list li { color: var(--color-text-primary); }
        @media (max-width: 734px) { .vs-box { grid-template-columns: 1fr; } .vs-col-us { border-right: none; border-bottom: 1px solid var(--color-divider); } }

        /* ── 科目分组标题 ── */
        .subject-group-header {
            margin-top: var(--space-12);
            margin-bottom: var(--space-5);
            display: flex;
            align-items: center;
            gap: var(--space-3);
            flex-wrap: wrap;
        }
        .subject-group-header:first-of-type { margin-top: var(--space-10); }
        .subject-group-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border-radius: 999px;
            font-size: 0.8125rem;
            font-weight: 600;
        }
        .sgt-fazong  { background: rgba(21,239,130,0.12); color: #04A36E; }
        .sgt-zonghe  { background: rgba(118,173,255,0.14); color: #4A86E8; }
        .sgt-english { background: rgba(255,191,29,0.14); color: #A07000; }
        .sgt-politics{ background: rgba(255,113,47,0.14); color: #C44A00; }
        .subject-group-score { font-size: 0.8125rem; color: var(--color-text-tertiary); }

        /* ── FAQ ── */
        .faq-list { display: flex; flex-direction: column; gap: var(--space-5); margin-top: var(--space-10); }
        .faq-item {
            background: var(--color-bg);
            border: 1px solid var(--color-divider);
            border-radius: var(--radius-lg);
            padding: var(--space-8) var(--space-7);
            transition: border-color 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out);
        }
        .faq-item:hover { border-color: rgba(5,211,142,0.45); box-shadow: 0 4px 20px rgba(5,211,142,0.08); }
        .faq-q {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: var(--space-4);
            display: flex;
            gap: var(--space-3);
            align-items: flex-start;
            line-height: 1.5;
        }
        .faq-q-icon {
            flex-shrink: 0;
            width: 22px; height: 22px;
            border-radius: 50%;
            background: rgba(5,211,142,0.12);
            color: var(--color-brand);
            font-size: 0.75rem;
            font-weight: 800;
            display: flex; align-items: center; justify-content: center;
            margin-top: 2px;
        }
        .faq-a {
            font-size: 0.9375rem;
            line-height: 1.8;
            color: var(--color-text-secondary);
            padding-left: calc(22px + var(--space-3));
        }
        .faq-a strong { color: var(--color-text-primary); }
        @media (max-width: 734px) { .faq-a { padding-left: 0; } }


        /* ── 全局防孤字规则 ─────────────────────────────────────────── */
    h1,h2,h3,h4{text-wrap:balance;}
    p,.hero-sub,.section-sub,.class-tagline,.hero-eyebrow,
    .match-card-pain,.wi-quote,.wi-compare,.promise-desc,
    .onev1-text,.class-point-desc,.card-desc,.stat-label,
    .timeline-desc,.teacher-bio,.story-quote{text-wrap:pretty;}
    /* ───────────────────────────────────────────────────────────── */
  
    .btn-consult{background:rgba(255,255,255,0.12);color:var(--color-text-primary);border:1.5px solid rgba(0,0,0,0.18);}
    .btn-consult:hover{background:var(--color-text-primary);color:#fff;border-color:transparent;font-weight:600;}
  .qa-geo{padding:76px 0;background:var(--color-bg-alt);}
  .qa-geo .container{max-width:820px;}
  .qa-geo-eyebrow{font-size:13px;font-weight:700;color:var(--color-brand-pressed);letter-spacing:.06em;text-align:center;margin-bottom:10px;font-family:var(--font-sans);}
  .qa-geo-title{font-size:clamp(24px,3vw,34px);font-weight:800;color:var(--color-text-primary);text-align:center;margin-bottom:36px;font-family:var(--font-sans);line-height:1.3;}
  .qa-item{background:var(--color-bg);border:1px solid var(--color-divider);border-radius:14px;margin-bottom:12px;overflow:hidden;}
  .qa-item summary{cursor:pointer;padding:18px 22px;font-size:16px;font-weight:700;color:var(--color-text-primary);font-family:var(--font-sans);list-style:none;display:flex;align-items:center;gap:10px;}
  .qa-item summary::-webkit-details-marker{display:none;}
  .qa-item summary::before{content:"Q";flex-shrink:0;width:24px;height:24px;border-radius:7px;background:rgba(5,211,142,.12);color:var(--color-brand-pressed);font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;}
  .qa-item[open] summary{border-bottom:1px solid var(--color-divider);}
  .qa-a{padding:16px 22px 20px 56px;font-size:15px;line-height:1.85;color:var(--color-text-secondary);}
  .qa-a b{color:var(--color-brand-pressed);font-weight:700;}
@keyframes qr-pop{from{opacity:0;transform:scale(0.88);}to{opacity:1;transform:scale(1);}}