:root {
      --clay-bg: #f8f9fd;
      --clay-text: #1e293b;
      --clay-muted: #64748b;
      --clay-accent: #7c3aed;
      --clay-pink: #db2777;
      --shadow-card: 0 10px 30px -5px rgba(100,116,139,0.1), 0 5px 15px -3px rgba(0,0,0,0.05);
      --shadow-hover: 0 20px 40px -5px rgba(100,116,139,0.15), 0 10px 20px -3px rgba(0,0,0,0.08);
      --shadow-btn: 0 4px 12px rgba(0,0,0,0.08);
    }

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
      background: var(--clay-bg);
      color: var(--clay-text);
      line-height: 1.6;
    }

    /* ===== HEADER ===== */
    header {
      position: fixed; top: 0; left: 0; right: 0; z-index: 100;
      background: rgba(248,249,253,0.92);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(0,0,0,0.04);
    }
    .header-inner {
      max-width: 1280px; margin: 0 auto; padding: 0 32px;
      height: 72px; display: flex; align-items: center; justify-content: space-between;
    }
    .logo { display: flex; align-items: center; gap: 10px; text-decoration: none; cursor: pointer; }
    .logo-icon{ padding-top: 5px;}
    .logo-text {
      font-family: 'Nunito', sans-serif;
      font-size: 24px; font-weight: 900; color: var(--clay-text);
      letter-spacing: -0.02em;
    }
    .nav-contact {
      font-size: 15px; font-weight: 700; color: var(--clay-muted);
      background: none; border: none; cursor: pointer; padding: 8px 16px;
      transition: color 0.2s;
    }
    .nav-contact:hover { color: var(--clay-text); }
    .nav-cta {
      background: #000; color: #fff;
      padding: 10px 24px; border-radius: 20px;
      font-size: 15px; font-weight: 700; border: none; cursor: pointer;
      box-shadow: 0 4px 14px rgba(0,0,0,0.15);
      transition: all 0.2s;
    }
    .nav-cta:hover { background: #222; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.2); }

    /* ===== HERO ===== */
    .hero {
      min-height: 800px; padding-top:0px;
      position: relative; overflow: hidden;
      display: flex; align-items: center;
    }
    .hero-glow-1 {
      position: absolute; top: -20%; right: -10%;
      width: 800px; height: 800px;
      background: rgba(124,58,237,0.12);
      border-radius: 50%; filter: blur(100px);
      pointer-events: none;
    }
    .hero-glow-2 {
      position: absolute; bottom: -20%; left: -10%;
      width: 700px; height: 700px;
      background: rgba(59,130,246,0.1);
      border-radius: 50%; filter: blur(80px);
      pointer-events: none;
    }
    .hero-fade {
      position: absolute; bottom: 0; left: 0; right: 0; height: 160px;
      background: linear-gradient(to bottom, transparent, var(--clay-bg));
      pointer-events: none; z-index: 1;
    }
    .hero-inner {
      max-width: 1280px; margin: 0 auto; padding: 60px 32px;
      display: grid; grid-template-columns: 1fr 1fr; gap: 80px;
      align-items: center; position: relative; z-index: 2; width: 100%;
    }
    .hero-badge {
      display: inline-flex; align-items: center; gap: 8px;
      background: #fff; border: 1px solid rgba(124,58,237,0.2);
      padding: 7px 16px; border-radius: 50px;
      box-shadow: 0 2px 8px rgba(0,0,0,0.06);
      margin-bottom: 28px;
    }
    .badge-dot {
      width: 8px; height: 8px; background: var(--clay-accent);
      border-radius: 50%; animation: pulse 2s ease-in-out infinite;
    }
    @keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.6;transform:scale(0.85)} }
    .badge-text {
      font-size: 12px; font-weight: 700; color: #6d28d9;
      text-transform: uppercase; letter-spacing: 0.06em;
      font-family: 'Nunito', sans-serif;
    }
    .hero h1 {
      font-family: 'Nunito', sans-serif;
      font-size: 58px; font-weight: 900; line-height: 1.1;
      color: var(--clay-text); margin-bottom: 20px;
      letter-spacing: -0.025em;
    }
    .hero h1 .grad {
      background: linear-gradient(135deg, #7c3aed 0%, #db2777 100%);
      -webkit-background-clip: text; -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .hero h2 {
      font-family: 'Nunito', sans-serif;
      font-size: 22px; font-weight: 700; color: var(--clay-text);
      margin-bottom: 16px; line-height: 1.4;
    }
    .hero-desc {
      font-size: 17px; color: var(--clay-muted); line-height: 1.75;
      margin-bottom: 36px; max-width: 520px; opacity: 0.9;
    }
    .hero-btns { display: flex; gap: 16px; margin-bottom: 44px; flex-wrap: wrap; }
    .btn-primary {
      background: #000; color: #fff;
      padding: 16px 36px; border-radius: 20px;
      font-size: 17px; font-weight: 700; border: none; cursor: pointer;
      box-shadow: 0 4px 16px rgba(0,0,0,0.18);
      transition: all 0.2s; display: flex; align-items: center;
    }
    .btn-primary:hover { background: #222; transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,0,0,0.22); }
    .btn-secondary {
      background: #fff; color: var(--clay-text);
      border: 1px solid rgba(124,58,237,0.2);
      padding: 16px 36px; border-radius: 20px;
      font-size: 17px; font-weight: 700; cursor: pointer;
      box-shadow: 0 2px 8px rgba(0,0,0,0.06);
      transition: all 0.2s; display: flex; align-items: center;
    }
    .btn-secondary:hover { border-color: rgba(124,58,237,0.5); transform: translateY(-3px); box-shadow: var(--shadow-card); }
    .hero-features { display: flex; gap: 28px; flex-wrap: wrap; }
    .hero-feat {
      display: flex; align-items: center; gap: 12px; cursor: default;
    }
    .feat-icon {
      width: 48px; height: 48px; border-radius: 18px;
      background: #fff; display: flex; align-items: center; justify-content: center;
      font-size: 20px; box-shadow: var(--shadow-btn);
      transition: all 0.3s;
    }
    .feat-icon.purple { border: 1px solid rgba(124,58,237,0.15); color: var(--clay-accent); }
    .feat-icon.blue { border: 1px solid rgba(59,130,246,0.15); color: #3b82f6; }
    .feat-icon.green { border: 1px solid rgba(16,185,129,0.15); color: #10b981; }
    .hero-feat:hover .feat-icon { transform: translateY(-4px) scale(1.08); }
    .feat-title {
      font-family: 'Nunito', sans-serif;
      font-size: 14px; font-weight: 900; color: var(--clay-text);
    }
    .feat-sub { font-size: 12px; color: var(--clay-muted); font-weight: 700; margin-top: 2px; }

    /* Hero Right - Lens */
    .hero-right {
      position: relative; height: 520px;
      display: flex; align-items: center; justify-content: center;
    }
    .lens-glow {
      position: absolute; inset: -20%;
      background: radial-gradient(circle, rgba(124,58,237,0.18) 0%, transparent 70%);
      border-radius: 50%; animation: glow-pulse 4s ease-in-out infinite;
    }
    @keyframes glow-pulse { 0%,100%{opacity:0.6} 50%{opacity:1} }
    .lens-ring {
      width: 380px; height: 380px; border-radius: 50%;
      border: 1px solid rgba(255,255,255,0.6);
      background: rgba(255,255,255,0.05);
      backdrop-filter: blur(4px);
      display: flex; align-items: center; justify-content: center;
      animation: float 6s ease-in-out infinite;
      position: relative; z-index: 2;
    }
    @keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-18px)} }
    .lens-core {
      width: 260px; height: 260px; border-radius: 50%;
      background: rgba(255,255,255,0.85);
      backdrop-filter: blur(20px);
      border: 2px solid rgba(255,255,255,0.9);
      box-shadow: inset 0 0 20px rgba(255,255,255,0.6), 0 20px 60px rgba(0,0,0,0.08);
      display: flex; align-items: center; justify-content: center;
      position: relative; overflow: hidden;
    }
    .lens-core-text {
      font-family: 'Nunito', sans-serif;
      font-size: 26px; font-weight: 900;
      background: linear-gradient(135deg, #7c3aed, #db2777);
      -webkit-background-clip: text; -webkit-text-fill-color: transparent;
      background-clip: text; position: relative; z-index: 1;
    }
    .float-card {
      position: absolute; z-index: 10;
      background: rgba(255,255,255,0.88);
      backdrop-filter: blur(16px);
      border: 1px solid rgba(255,255,255,0.9);
      border-radius: 20px; padding: 16px 20px;
      box-shadow: var(--shadow-card);
    }
    .float-card-left {
      left: -20px; top: 80px;
      animation: float-delayed 6s ease-in-out 2s infinite;
    }
    .float-card-right {
      right: -10px; bottom: 80px;
      animation: float 6s ease-in-out 1s infinite;
    }
    @keyframes float-delayed { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-14px)} }
    .fc-label {
      font-size: 11px; font-weight: 700; color: var(--clay-muted);
      text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 6px;
    }
    .fc-value {
      font-family: 'Nunito', sans-serif;
      font-size: 17px; font-weight: 900; color: var(--clay-text);
    }
    .fc-tag {
      display: inline-block; margin-top: 8px;
      font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 6px;
    }
    .fc-tag.up { background: rgba(34,197,94,0.12); color: #16a34a; }
    .fc-tag.down { background: rgba(239,68,68,0.12); color: #dc2626; }

    /* ===== TRUST BAR ===== */
    .trust-bar {
      position: relative; z-index: 5;
      margin-top: -48px; padding: 0 32px 72px;
    }
    .trust-inner { max-width: 1100px; margin: 0 auto; text-align: center; }
    .trust-title {
      font-family: 'Nunito', sans-serif;
      font-size: 13px; font-weight: 800; color: rgba(100,116,139,0.8);
      text-transform: uppercase; letter-spacing: 0.18em; margin-bottom: 50px;
    }
    .trust-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; }
    .trust-tag {
      display: flex; align-items: center; gap: 12px;
      background: rgba(255,255,255,0.7);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(255,255,255,0.8);
      padding: 14px 24px; border-radius: 20px;
      min-width: 180px; justify-content: flex-start;
      transition: all 0.3s; cursor: default;
    }
    .trust-tag:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }
    .trust-icon {
      width: 40px; height: 40px; border-radius: 12px;
      background: rgba(124,58,237,0.1);
      display: flex; align-items: center; justify-content: center;
      font-size: 18px; flex-shrink: 0;
      transition: transform 0.3s;
    }
    .trust-tag:hover .trust-icon { transform: scale(1.1); }
    .trust-name {
      font-family: 'Nunito', sans-serif;
      font-size: 16px; font-weight: 800; color: var(--clay-text);
      letter-spacing: -0.01em;
    }

    /* ===== SECTIONS ===== */
    .section { padding:50px 32px; }
    .section-inner { max-width: 1280px; margin: 0 auto; }
    .section-hd { text-align: center; max-width: 1200px; margin: 0 auto 64px; }
    .section-label {
      display: inline-flex; align-items: center; gap: 6px;
      padding: 6px 14px; border-radius: 50px;
      font-size: 12px; font-weight: 700; text-transform: uppercase;
      letter-spacing: 0.06em; margin-bottom: 20px;
    }
    .label-purple { background: rgba(124,58,237,0.1); color: #6d28d9; }
    .label-orange { background: rgba(245,158,11,0.1); color: #d97706; }
    .label-indigo { background: rgba(99,102,241,0.1); color: #4f46e5; }
    .section-h2 {
      font-family: 'Nunito', sans-serif;
      font-size: 48px; font-weight: 900; color: var(--clay-text);
      line-height: 1.15; letter-spacing: -0.025em; margin-bottom: 16px;
    }
    .section-h2 .sub {
      display: block; font-size: 32px; font-weight: 700;
      color: var(--clay-muted); margin-top: 8px;
    }
    .section-p {
      font-size: 18px; color: var(--clay-muted); line-height: 1.75; font-weight: 500;
    }

    /* ===== BENTO GRID ===== */
    .bento { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .bento-card {
      background: rgba(255,255,255,0.7);
      backdrop-filter: blur(16px);
      border: 1px solid rgba(255,255,255,0.85);
      border-radius: 48px; padding: 40px;
      box-shadow: var(--shadow-card);
      transition: all 0.35s; position: relative; overflow: hidden;
    }
    .bento-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); }
    .bento-card.span2 { grid-column: span 2; }
    .bento-card.span-row2 { grid-row: span 2; }
    .bento-card.dark {
      background: linear-gradient(160deg, #1e293b 0%, #0f172a 100%);
      border-color: rgba(255,255,255,0.05);
    }
    .bento-icon {
      width: 64px; height: 64px; border-radius: 24px;
      display: flex; align-items: center; justify-content: center;
      font-size: 28px; margin-bottom: 28px;
      box-shadow: var(--shadow-btn);
      transition: transform 0.3s;
    }
    .bento-card:hover .bento-icon { transform: scale(1.1); }
    .bento-icon.blue { background: linear-gradient(135deg, #60a5fa, #2563eb); }
    .bento-icon.red { background: linear-gradient(135deg, #f87171, #dc2626); }
    .bento-icon.indigo { background: linear-gradient(135deg, #818cf8, #4338ca); }
    .bento-icon.green { background: linear-gradient(135deg, #34d399, #059669); }
    .bento-h4 {
      font-family: 'Nunito', sans-serif;
      font-size: 26px; font-weight: 900; color: var(--clay-text);
      margin-bottom: 12px;
    }
    .bento-card.dark .bento-h4 { color: #fff; }
    .bento-p { font-size: 16px; color: var(--clay-muted); line-height: 1.75; font-weight: 500; }
    .bento-card.dark .bento-p { color: #94a3b8; }
    .bento-tags { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 24px; }
    .btag {
      font-size: 13px; font-weight: 700; padding: 8px 18px; border-radius: 50px;
    }
    .btag-blue { background: rgba(59,130,246,0.1); color: #1d4ed8; }
    .btag-gray { background: #f1f5f9; color: var(--clay-muted); }
    .bento-inner {
      background: rgba(255,255,255,0.1);
      border: 1px solid rgba(255,255,255,0.12);
      border-radius: 24px; padding: 24px; margin-top: 24px;
      backdrop-filter: blur(8px);
    }
    .bento-inner-title {
      font-size: 11px; font-weight: 700; color: #fca5a5;
      text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 12px;
      display: flex; align-items: center; gap: 6px;
    }
    .bento-inner-quote {
      font-size: 14px; color: rgba(255,255,255,0.88); font-style: italic; line-height: 1.65;
    }
    .bento-glow {
      position: absolute; right: -80px; bottom: -80px;
      width: 300px; height: 300px;
      background: rgba(59,130,246,0.08); border-radius: 50%; filter: blur(60px);
      pointer-events: none;
    }

    /* ===== DEMO SECTION ===== */
    .demo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
    .demo-hd { margin-bottom: 28px; }
    .demo-hd h3 {
      font-family: 'Nunito', sans-serif;
      font-size: 36px; font-weight: 900; color: var(--clay-text);
      margin: 12px 0 10px; letter-spacing: -0.02em;
    }
    .demo-hd p { font-size: 16px; color: var(--clay-muted); line-height: 1.7; }
    .demo-card {
      background: #fff; border-radius: 32px; padding: 28px;
      box-shadow: var(--shadow-card); border: 1px solid #f1f5f9;
    }
    .demo-card-title {
      font-family: 'Nunito', sans-serif;
      font-size: 18px; font-weight: 800; color: var(--clay-text);
      margin-bottom: 20px; display: flex; align-items: center; gap: 10px;
    }
    .demo-card-icon {
      width: 36px; height: 36px; border-radius: 10px;
      background: rgba(99,102,241,0.1);
      display: flex; align-items: center; justify-content: center; font-size: 16px;
    }
    /* Rank list */
    .rank-list { display: flex; flex-direction: column; gap: 8px; }
    .rank-row {
      display: grid; grid-template-columns: 36px 1fr 72px;
      align-items: center; gap: 10px;
      background: #f8fafc; border: 1px solid #f1f5f9;
      border-radius: 12px; padding: 12px 14px;
      transition: background 0.2s;
    }
    .rank-row:hover { background: #f1f5f9; }
    .rank-n {
      width: 24px; height: 24px; border-radius: 6px;
      background: #e2e8f0; color: var(--clay-muted);
      font-size: 11px; font-weight: 800;
      display: flex; align-items: center; justify-content: center;
    }
    .rank-row:nth-child(1) .rank-n { background: #fef3c7; color: #b45309; }
    .rank-row:nth-child(2) .rank-n { background: #e2e8f0; color: #475569; }
    .rank-row:nth-child(3) .rank-n { background: #fde8c8; color: #92400e; }
    .rank-nm { font-size: 14px; font-weight: 700; color: var(--clay-text); }
    .rank-chg {
      font-size: 10px; font-weight: 700; padding: 3px 8px; border-radius: 6px;
      text-align: center;
    }
    .chg-up { background: rgba(34,197,94,0.1); color: #15803d; }
    .chg-dn { background: rgba(239,68,68,0.1); color: #b91c1c; }
    .chg-eq { background: #f1f5f9; color: var(--clay-muted); }
    /* Chart */
    .chart-wrap {
      background: linear-gradient(180deg, rgba(99,102,241,0.04), transparent);
      border: 1px solid rgba(99,102,241,0.12);
      border-radius: 20px; padding: 20px; min-height: 200px;
      position: relative; overflow: hidden;
    }
    .chart-svg { width: 100%; height: 160px; }
    .chart-legend {
      display: flex; gap: 16px; margin-top: 16px; flex-wrap: wrap;
    }
    .legend-item { display: flex; align-items: center; gap: 6px; opacity: 0.7; }
    .legend-dot { width: 8px; height: 8px; border-radius: 50%; }
    .legend-label { font-size: 12px; font-weight: 700; color: var(--clay-muted); }

    /* ===== REPUTATION ===== */
    .rep-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
    .rep-card {
      background: #fff; border-radius: 32px; padding: 28px;
      box-shadow: var(--shadow-card); border: 1px solid #f1f5f9;
    }
    .rep-card-title {
      font-family: 'Nunito', sans-serif;
      font-size: 18px; font-weight: 800; color: var(--clay-text);
      margin-bottom: 20px; display: flex; align-items: center; gap: 10px;
    }
    .rep-icon {
      width: 36px; height: 36px; border-radius: 10px;
      display: flex; align-items: center; justify-content: center; font-size: 16px;
    }
    .rep-icon.purple { background: rgba(124,58,237,0.1); }
    .rep-icon.blue { background: rgba(59,130,246,0.1); }
    /* Sentiment bars */
    .sent-bars { display: flex; flex-direction: column; gap: 14px; margin-bottom: 24px; }
    .sent-row { display: flex; align-items: center; gap: 12px; }
    .sent-lbl { width: 72px; font-size: 13px; font-weight: 700; color: var(--clay-muted); }
    .sent-track { flex: 1; height: 10px; background: #f1f5f9; border-radius: 5px; overflow: hidden; }
    .sent-fill { height: 100%; border-radius: 5px; }
    .sent-fill.g { background: #22c55e; width: 68%; }
    .sent-fill.s { background: #94a3b8; width: 24%; }
    .sent-fill.r { background: #ef4444; width: 8%; }
    .sent-val { width: 36px; font-size: 13px; font-weight: 800; text-align: right; }
    .sent-val.g { color: #22c55e; }
    .sent-val.s { color: #94a3b8; }
    .sent-val.r { color: #ef4444; }
    /* Keywords grid */
    .kw-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
    .kw-card {
      border-radius: 16px; padding: 14px 12px; text-align: center;
    }
    .kw-card.amber {
      background: linear-gradient(180deg, rgba(251,191,36,0.12), #fff);
      border: 1px solid rgba(251,191,36,0.25);
    }
    .kw-card.purple {
      background: linear-gradient(180deg, rgba(124,58,237,0.1), #fff);
      border: 1px solid rgba(124,58,237,0.2);
    }
    .kw-num {
      width: 22px; height: 22px; border-radius: 6px;
      font-size: 10px; font-weight: 900; color: #fff;
      display: inline-flex; align-items: center; justify-content: center;
      margin-bottom: 6px;
    }
    .kw-num.amber { background: #fbbf24; }
    .kw-num.purple { background: var(--clay-accent); }
    .kw-text { font-size: 12px; font-weight: 800; color: var(--clay-text); }
    /* Word cloud */
    .wcloud { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; padding: 8px; }
    .wc-word { padding: 8px 18px; border-radius: 50px; font-weight: 700; cursor: default; }
    .wc-purple { background: rgba(124,58,237,0.1); color: #6d28d9; }
    .wc-blue { background: rgba(59,130,246,0.1); color: #1d4ed8; }
    .wc-green { background: rgba(34,197,94,0.1); color: #15803d; }
    .wc-orange { background: rgba(245,158,11,0.1); color: #b45309; }
    .wc-red { background: rgba(239,68,68,0.1); color: #b91c1c; }
    .wc-indigo { background: rgba(99,102,241,0.1); color: #4338ca; }

    /* ===== FOOTER ===== */
    footer {
      background: #fff; border-top: 1px solid rgba(226,232,240,0.6);
      padding: 64px 32px 32px;
    }
    .footer-inner { max-width: 1280px; margin: 0 auto; }
    .footer-grid {
      display: grid; grid-template-columns: 1.6fr 1fr; gap: 80px; margin-bottom: 48px;
    }
    .footer-desc {
      font-size: 15px; color: var(--clay-muted); line-height: 1.75;
      margin-top: 16px; font-weight: 500;
    }
    .footer-contact { display: flex; flex-direction: column; gap: 20px; justify-content: center; }
    .fc-item label {
      display: block; font-size: 13px; font-weight: 700; color: var(--clay-text); margin-bottom: 4px;
    }
    .fc-item span { font-size: 15px; color: var(--clay-muted); font-weight: 500; }
    .footer-bottom {
      border-top: 1px solid rgba(226,232,240,0.5);
      padding-top: 24px;
      display: flex; justify-content: space-between; align-items: center;
      flex-wrap: wrap; gap: 8px;
      font-size: 12px; font-weight: 700; color: rgba(100,116,139,0.6);
    }

    /* ===== RESPONSIVE ===== */
    @media (max-width: 1024px) {
      .hero-inner { grid-template-columns: 1fr; }
      .hero-right { display: none; }
      .bento { grid-template-columns: 1fr; }
      .bento-card.span2, .bento-card.span-row2 { grid-column: span 1; grid-row: span 1; }
      .demo-grid, .rep-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; gap: 40px; }
    }
    @media (max-width: 768px) {
      .hero h1 { font-size: 40px; }
      .section-h2 { font-size: 34px; }
      .section-h2 .sub { font-size: 22px; }
      .hero-features { flex-direction: column; gap: 16px; }
      .trust-tags { flex-direction: column; align-items: stretch; }
      .trust-tag { min-width: unset; }
      .header-inner { padding: 0 16px; }
      .section { padding: 72px 16px; }
    }

 /* ===== MODAL ===== */
    .modal-overlay {
      position: fixed; inset: 0; z-index: 100;
      display: flex; align-items: center; justify-content: center;
      padding: 16px;
      opacity: 0; visibility: hidden;
      transition: opacity 0.3s ease, visibility 0.3s ease;
    }
    .modal-overlay.active {
      opacity: 1; visibility: visible;
    }
    .modal-backdrop {
      position: absolute; inset: 0;
      background: rgba(0,0,0,0.4);
      backdrop-filter: blur(4px);
      transition: opacity 0.3s ease;
    }
    .modal-container {
      position: relative; z-index: 10;
      background: #fff;
      border-radius: 32px;
      padding: 32px 40px 40px;
      max-width: 640px; width: 100%;
      box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25);
      transform: translateY(20px) scale(0.96);
      transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
      opacity: 0;
    }
    .modal-overlay.active .modal-container {
      transform: translateY(0) scale(1);
      opacity: 1;
    }

    /* Close button */
    .modal-close {
      position: absolute; top: 16px; right: 16px;
      width: 36px; height: 36px;
      display: flex; align-items: center; justify-content: center;
      background: none; border: none; border-radius: 50%;
      color: #9ca3af; cursor: pointer;
      transition: all 0.2s;
    }
    .modal-close:hover {
      color: #4b5563; background: #f3f4f6;
    }
    .modal-close svg { width: 20px; height: 20px; }

    /* Modal title */
    .modal-title {
      font-size: 16px; font-weight: 500;
      color: var(--clay-muted);
      text-align: center; margin-bottom: 32px;
    }

    /* Modal grid */
    .modal-grid {
      display: grid; grid-template-columns: 1fr 1fr; gap: 32px;
    }
    @media (max-width: 640px) {
      .modal-grid { grid-template-columns: 1fr; }
      .modal-container { padding: 24px; }
    }

    /* Modal card */
    .modal-card {
      display: flex; flex-direction: column; align-items: center;
    }
    .card-icon {
      width: 56px; height: 56px; border-radius: 16px;
      display: flex; align-items: center; justify-content: center;
      margin-bottom: 16px; box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    }
    .card-icon.purple {
      background: linear-gradient(135deg, #ede9fe, #ddd6fe);
      color: #7c3aed;
    }
    .card-icon.green {
      background: linear-gradient(135deg, #d1fae5, #ccfbf1);
      color: #059669;
    }
    .card-icon svg { width: 28px; height: 28px; }

    .card-title {
      font-family: 'Nunito', sans-serif;
      font-size: 20px; font-weight: 900; color: var(--clay-text);
      margin-bottom: 16px;
    }

    /* QR Code container */
    .qr-wrap {
      width: 176px; height: 176px; border-radius: 12px;
      overflow: hidden; margin-bottom: 16px;
      box-shadow: inset 0 2px 4px rgba(0,0,0,0.06);
      position: relative;
    }
    .qr-wrap img {
      width: 100%; height: 100%; object-fit: cover;
      opacity: 0.92;
      transition: transform 0.5s ease;
    }
    .qr-wrap:hover img { transform: scale(1.05); }

    /* Info box */
    .info-box {
      display: flex; align-items: center; gap: 8px;
      padding: 10px 16px; border-radius: 12px;
      background: #f9fafb; border: 1px solid #f3f4f6;
      font-size: 14px; font-weight: 700;
    }
    .info-box svg { width: 16px; height: 16px; color: var(--clay-text); }
    .info-box span { color: var(--clay-text); letter-spacing: 0.02em; }
    .info-box.muted span { color: var(--clay-muted); font-weight: 600; }

    /* Animations */
    @keyframes fadeInUp {
      from { opacity: 0; transform: translateY(20px) scale(0.96); }
      to { opacity: 1; transform: translateY(0) scale(1); }
    }

.bi.in { background: linear-gradient(135deg, #818cf8, #4338ca); }



:root{--bg:#f8f9fd;--text:#1e293b;--muted:#64748b;--accent:#7c3aed;--pink:#db2777;--sky:#0ea5e9}



.container{max-width:1280px;margin:0 auto;padding:0 16px}


h1{font-size:56px}h2{font-size:48px}h3{font-size:24px}h4{font-size:18px}
@media(max-width:768px){h1{font-size:32px}h2{font-size:28px}h3{font-size:20px}.section{padding:60px 0}}
header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(248,249,253,0.8);backdrop-filter:blur(10px);border-bottom:1px solid #f1f5f9;height:72px}


.badge{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;margin-bottom:24px}
.badge-primary{background:rgba(124,58,237,0.1);color:var(--accent)}
.badge-orange{background:rgba(249,115,22,0.1);color:#f97316}
.badge-rose{background:rgba(244,63,94,0.1);color:#f43f5e}
.badge-emerald{background:rgba(16,185,129,0.1);color:#10b981}
.badge-blue{background:rgba(59,130,246,0.1);color:#3b82f6}
.pd{width:8px;height:8px;border-radius:50%;background:currentColor;animation:p 2s ease-in-out infinite}
.tg{background:linear-gradient(135deg,var(--accent),var(--pink));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}

.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.bl{grid-column:span 2}
@media(max-width:1024px){.bento{grid-template-columns:1fr}.bl{grid-column:span 1}}
.pain{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}
@media(max-width:1024px){.pain{grid-template-columns:1fr;gap:48px}}
.tabs{margin-top:40px;padding-left:8px;border-left:2px solid #f1f5f9}
.tab{display:block;width:100%;text-align:left;padding:16px 24px 16px 10px;margin-left:-10px;border-left:4px solid transparent;background:none;border-top:none;border-right:none;border-bottom:none;cursor:pointer;transition:all .3s;opacity:.5}
.tab:hover{opacity:.8;border-left-color:#e2e8f0}
.tab.active{border-left-color:var(--accent);opacity:1}
.tab h3{font-size:20px;font-weight:900;color:var(--text);margin-bottom:8px;font-family:Nunito,sans-serif}
.tab:not(.active) h3{color:var(--muted)}
.tab p{font-size:14px;color:var(--muted);font-weight:500;line-height:1.6;max-width:400px}
.dc{position:relative;width:100%;height:560px;border-radius:32px;overflow:hidden}
.dci{position:absolute;inset:0;background:#fff;border-radius:32px;padding:24px;box-shadow:0 10px 30px -5px rgba(100,116,139,0.1);border:1px solid #f1f5f9;opacity:1;transform:translateX(0);transition:opacity .7s,transform .7s;overflow:hidden}
.dci.h{opacity:0;transform:translateX(20px);pointer-events:none}
.dci img{ width: 100%;}


.pagebjs{ width: 100%; height: auto; background: #fff;}
.zhengwen{width:1200px; margin: auto;}
.zhengwen .biaoti{font-family: 'Nunito', sans-serif;
    font-size: 48px;
    font-weight: 900;
    color: var(--clay-text);
    line-height: 1.15;
    letter-spacing: -0.025em;
    margin-bottom: 16px;} 
.zhengwen .xian{ height: 2px; background: #F1F1F1;} 
.zhengwen .neirong{line-height: 3;}   
@media only screen and (max-width:1000px) {
	.zhengwen {
		width:90%;margin: auto;
	}
    .neirong img{ width: 100%;}
    
 }