/* roulang page: index */
:root {
            --bg: #07111f;
            --bg-2: #0b1730;
            --bg-3: #0e1f3d;
            --panel: rgba(10, 18, 37, 0.74);
            --panel-strong: rgba(12, 22, 46, 0.92);
            --line: rgba(160, 191, 255, 0.14);
            --line-strong: rgba(125, 158, 255, 0.24);
            --text: #eaf2ff;
            --muted: #95a8c7;
            --soft: #bbcae4;
            --primary: #7c5cff;
            --primary-2: #4d9fff;
            --cyan: #28d7ff;
            --green: #17e0ab;
            --warn: #ffcf5a;
            --danger: #ff7288;
            --shadow: 0 28px 70px rgba(0, 0, 0, .45);
            --shadow-soft: 0 14px 40px rgba(1, 7, 18, .28);
            --radius-xl: 28px;
            --radius-lg: 22px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --container: min(1180px, calc(100% - 32px));
            --gap: 24px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background:
                radial-gradient(circle at 12% 16%, rgba(124, 92, 255, .25), transparent 28%),
                radial-gradient(circle at 86% 22%, rgba(40, 215, 255, .16), transparent 26%),
                radial-gradient(circle at 68% 82%, rgba(23, 224, 171, .11), transparent 22%),
                linear-gradient(180deg, #06101d 0%, #081224 38%, #0a1328 100%);
            color: var(--text);
            line-height: 1.7;
            overflow-x: hidden;
        }

        body::before {
            content: "";
            position: fixed;
            inset: 0;
            pointer-events: none;
            background:
                linear-gradient(120deg, rgba(255,255,255,.04), transparent 18%, transparent 82%, rgba(255,255,255,.02)),
                linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0));
            mix-blend-mode: screen;
            opacity: .65;
            z-index: 0;
        }

        a, button, input, textarea, summary {
            -webkit-tap-highlight-color: transparent;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        img {
            max-width: 100%;
            display: block;
        }

        button,
        input,
        textarea {
            font: inherit;
            color: inherit;
        }

        button {
            border: 0;
            background: none;
            cursor: pointer;
        }

        ::selection {
            background: rgba(124, 92, 255, .34);
            color: #fff;
        }

        .container {
            width: var(--container);
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        .site-header {
            position: sticky;
            top: 14px;
            z-index: 60;
            padding: 14px 0 0;
        }

        .header-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 14px 18px;
            border: 1px solid var(--line);
            border-radius: 999px;
            background: rgba(7, 15, 30, .74);
            backdrop-filter: blur(18px);
            box-shadow: var(--shadow-soft);
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            min-width: 0;
            font-weight: 800;
            letter-spacing: .02em;
            white-space: nowrap;
        }

        .brand-mark {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background:
                radial-gradient(circle at 30% 30%, #bdb1ff 0 18%, transparent 19%),
                radial-gradient(circle at 70% 72%, #2dd4ff 0 16%, transparent 17%),
                linear-gradient(135deg, #7c5cff, #30d5ff);
            box-shadow: 0 10px 30px rgba(124, 92, 255, .35);
            flex: 0 0 auto;
        }

        .brand span {
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .brand small {
            display: block;
            color: var(--muted);
            font-weight: 500;
            font-size: .8rem;
            margin-top: 2px;
        }

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

        .nav {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .nav a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 16px;
            border-radius: 999px;
            color: var(--soft);
            border: 1px solid transparent;
            transition: transform .25s ease, background .25s ease, border-color .25s ease, box-shadow .25s ease, color .25s ease;
        }

        .nav a:hover,
        .nav a:focus-visible,
        .nav a.active {
            color: #fff;
            background: rgba(255,255,255,.06);
            border-color: var(--line-strong);
            box-shadow: 0 10px 22px rgba(5, 12, 22, .25);
            transform: translateY(-1px);
        }

        .nav-pill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 14px;
            border-radius: 999px;
            background: linear-gradient(135deg, rgba(124, 92, 255, .16), rgba(40, 215, 255, .12));
            color: #dfe8ff;
            border: 1px solid rgba(145, 167, 255, .18);
            font-size: .92rem;
            white-space: nowrap;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 999px;
            background: rgba(255,255,255,.06);
            border: 1px solid var(--line);
            color: var(--text);
            align-items: center;
            justify-content: center;
            transition: background .25s ease, transform .25s ease, border-color .25s ease;
        }

        .nav-toggle:hover {
            background: rgba(255,255,255,.1);
            transform: translateY(-1px);
            border-color: var(--line-strong);
        }

        .nav-toggle span {
            position: relative;
            width: 18px;
            height: 2px;
            background: currentColor;
            border-radius: 99px;
        }

        .nav-toggle span::before,
        .nav-toggle span::after {
            content: "";
            position: absolute;
            left: 0;
            width: 100%;
            height: 2px;
            background: currentColor;
            border-radius: inherit;
        }

        .nav-toggle span::before { top: -6px; }
        .nav-toggle span::after { top: 6px; }

        main {
            position: relative;
            z-index: 1;
        }

        .section {
            padding: 84px 0;
        }

        .section.alt {
            background: linear-gradient(180deg, rgba(255,255,255,.01), rgba(255,255,255,.03));
        }

        .section-head {
            max-width: 720px;
            margin-bottom: 28px;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 14px;
            border-radius: 999px;
            background: linear-gradient(135deg, rgba(124, 92, 255, .16), rgba(40, 215, 255, .1));
            color: #dfe8ff;
            border: 1px solid rgba(141, 169, 255, .18);
            font-size: .9rem;
            letter-spacing: .04em;
            margin-bottom: 14px;
        }

        .section-head h2,
        .hero-title {
            margin: 0;
            line-height: 1.08;
            letter-spacing: -.03em;
        }

        .section-head h2 {
            font-size: clamp(1.7rem, 2vw + 1rem, 2.8rem);
        }

        .section-head p {
            margin: 14px 0 0;
            color: var(--muted);
            max-width: 65ch;
            font-size: 1.02rem;
        }

        .hero {
            padding: 34px 0 64px;
        }

        .hero-shell {
            position: relative;
            overflow: hidden;
            border-radius: calc(var(--radius-xl) + 8px);
            background:
                linear-gradient(135deg, rgba(13, 24, 50, .96), rgba(8, 16, 34, .82) 58%, rgba(11, 26, 55, .92)),
                linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,0));
            border: 1px solid rgba(145, 174, 255, .18);
            box-shadow: var(--shadow);
            isolation: isolate;
        }

        .hero-shell::before {
            content: "";
            position: absolute;
            inset: 0;
            background:
                radial-gradient(circle at 18% 18%, rgba(124, 92, 255, .34), transparent 28%),
                radial-gradient(circle at 86% 20%, rgba(40, 215, 255, .18), transparent 26%),
                linear-gradient(145deg, transparent 0 58%, rgba(255,255,255,.03) 58% 62%, transparent 62% 100%);
            opacity: .9;
            pointer-events: none;
        }

        .hero-shell::after {
            content: "";
            position: absolute;
            right: -2%;
            top: 0;
            width: 42%;
            height: 100%;
            background:
                linear-gradient(155deg, rgba(124, 92, 255, .28), rgba(40, 215, 255, .13) 52%, rgba(23, 224, 171, .08));
            clip-path: polygon(18% 0, 100% 0, 100% 100%, 0 100%);
            opacity: .8;
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.15fr .85fr;
            gap: 28px;
            padding: 34px;
            align-items: stretch;
        }

        .hero-copy {
            position: relative;
            z-index: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            gap: 24px;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 12px;
            border-radius: 999px;
            border: 1px solid rgba(146, 176, 255, .16);
            background: rgba(255,255,255,.05);
            color: #dfe8ff;
            font-size: .88rem;
            box-shadow: inset 0 1px 0 rgba(255,255,255,.04);
        }

        .hero-title {
            font-size: clamp(2.6rem, 4vw + 1rem, 4.9rem);
            max-width: 11ch;
        }

        .hero-desc {
            max-width: 68ch;
            color: var(--soft);
            font-size: 1.04rem;
            margin: 0;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            min-height: 48px;
            padding: 0 18px;
            border-radius: 999px;
            border: 1px solid transparent;
            transition: transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease, color .25s ease;
            font-weight: 700;
            letter-spacing: .01em;
            white-space: nowrap;
        }

        .btn:hover,
        .btn:focus-visible {
            transform: translateY(-2px);
        }

        .btn:active {
            transform: translateY(0);
        }

        .btn-primary {
            background: linear-gradient(135deg, #7c5cff 0%, #2d9eff 65%, #28d7ff 100%);
            color: #fff;
            box-shadow: 0 18px 40px rgba(78, 121, 255, .34), 0 0 0 1px rgba(255,255,255,.1) inset;
        }

        .btn-primary:hover,
        .btn-primary:focus-visible {
            box-shadow: 0 22px 46px rgba(78, 121, 255, .42), 0 0 0 1px rgba(255,255,255,.16) inset;
        }

        .btn-ghost {
            background: rgba(255,255,255,.06);
            border-color: rgba(177, 196, 255, .16);
            color: var(--text);
        }

        .btn-ghost:hover,
        .btn-ghost:focus-visible {
            background: rgba(255,255,255,.11);
            border-color: rgba(177, 196, 255, .28);
        }

        .hero-metrics {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 12px;
        }

        .metric {
            padding: 16px 14px;
            border-radius: 18px;
            background: rgba(255,255,255,.05);
            border: 1px solid rgba(180, 200, 255, .12);
            backdrop-filter: blur(12px);
        }

        .metric strong {
            display: block;
            font-size: 1.35rem;
            line-height: 1.1;
            margin-bottom: 6px;
        }

        .metric span {
            color: var(--muted);
            font-size: .92rem;
        }

        .hero-form {
            position: relative;
            z-index: 1;
            align-self: stretch;
            display: flex;
            flex-direction: column;
            gap: 16px;
            padding: 22px;
            border-radius: 26px;
            background: linear-gradient(180deg, rgba(9, 16, 34, .88), rgba(10, 20, 42, .74));
            border: 1px solid rgba(160, 189, 255, .18);
            box-shadow: 0 22px 55px rgba(0, 0, 0, .32);
        }

        .form-head {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 10px;
        }

        .form-head h3 {
            margin: 0;
            font-size: 1.28rem;
        }

        .form-head p {
            margin: 6px 0 0;
            color: var(--muted);
            font-size: .95rem;
        }

        .form-chip {
            padding: 8px 12px;
            border-radius: 999px;
            background: rgba(23, 224, 171, .11);
            border: 1px solid rgba(23, 224, 171, .24);
            color: #bafbea;
            font-size: .86rem;
            white-space: nowrap;
        }

        .field-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }

        .field {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .field.full {
            grid-column: 1 / -1;
        }

        .field label {
            color: #d8e5ff;
            font-size: .92rem;
            font-weight: 600;
        }

        .field input,
        .field textarea,
        .field select {
            width: 100%;
            border: 1px solid rgba(176, 199, 255, .14);
            background: rgba(4, 10, 22, .55);
            color: var(--text);
            padding: 13px 14px;
            border-radius: 14px;
            outline: none;
            transition: border-color .25s ease, box-shadow .25s ease, background .25s ease, transform .25s ease;
        }

        .field input::placeholder,
        .field textarea::placeholder {
            color: #7486a6;
        }

        .field input:focus,
        .field textarea:focus,
        .field select:focus {
            border-color: rgba(40, 215, 255, .48);
            box-shadow: 0 0 0 4px rgba(40, 215, 255, .12);
            background: rgba(4, 10, 22, .72);
        }

        .check-row {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 12px 14px;
            border-radius: 16px;
            background: rgba(255,255,255,.04);
            border: 1px solid rgba(173, 195, 255, .12);
        }

        .check-row input {
            margin-top: 4px;
            width: 18px;
            height: 18px;
            accent-color: var(--primary);
            flex: 0 0 auto;
        }

        .check-row span {
            color: var(--soft);
            font-size: .92rem;
            line-height: 1.5;
        }

        .form-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 2px;
        }

        .form-note {
            color: var(--muted);
            font-size: .86rem;
            margin: 2px 0 0;
        }

        .stack {
            display: grid;
            gap: 18px;
        }

        .glass-card {
            background: rgba(255,255,255,.04);
            border: 1px solid rgba(173, 195, 255, .12);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-soft);
            backdrop-filter: blur(14px);
        }

        .stats-band {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 14px;
        }

        .stats-card {
            padding: 18px;
        }

        .stats-card .num {
            display: block;
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 6px;
            background: linear-gradient(135deg, #f6f9ff, #8ddcff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .stats-card .tip {
            color: var(--muted);
            font-size: .92rem;
            margin-top: 6px;
        }

        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 18px;
        }

        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 18px;
        }

        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 16px;
        }

        .panel {
            padding: 22px;
            border-radius: var(--radius-lg);
            background: linear-gradient(180deg, rgba(10, 19, 38, .9), rgba(8, 15, 31, .78));
            border: 1px solid rgba(173, 195, 255, .12);
            box-shadow: var(--shadow-soft);
        }

        .panel h3 {
            margin: 0 0 10px;
            font-size: 1.15rem;
        }

        .panel p {
            margin: 0;
            color: var(--muted);
        }

        .update-board {
            margin-top: 22px;
            overflow: hidden;
            border-radius: var(--radius-lg);
        }

        .update-row {
            display: grid;
            grid-template-columns: 110px 1fr 100px;
            gap: 14px;
            align-items: center;
            padding: 16px 18px;
            border-top: 1px solid rgba(173, 195, 255, .1);
            background: rgba(255,255,255,.02);
        }

        .update-row:first-child {
            border-top: 0;
        }

        .update-row:hover {
            background: rgba(255,255,255,.04);
        }

        .update-time {
            color: #d7e4ff;
            font-weight: 700;
        }

        .update-title {
            color: #f3f7ff;
            font-weight: 600;
        }

        .update-meta {
            text-align: right;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 54px;
            padding: 6px 10px;
            border-radius: 999px;
            font-size: .84rem;
            background: rgba(40, 215, 255, .1);
            color: #aeefff;
            border: 1px solid rgba(40, 215, 255, .18);
        }

        .quick-list {
            display: grid;
            gap: 14px;
        }

        details.faq-item {
            padding: 18px 18px 14px;
            border-radius: 20px;
            background: rgba(255,255,255,.04);
            border: 1px solid rgba(173, 195, 255, .12);
            transition: transform .25s ease, border-color .25s ease, background .25s ease, box-shadow .25s ease;
        }

        details.faq-item[open] {
            background: rgba(255,255,255,.055);
            border-color: rgba(150, 180, 255, .2);
            box-shadow: 0 18px 34px rgba(2, 9, 20, .24);
        }

        details.faq-item:hover {
            transform: translateY(-2px);
        }

        details.faq-item summary {
            list-style: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-weight: 700;
            color: #f3f7ff;
        }

        details.faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: "+";
            width: 28px;
            height: 28px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 999px;
            background: rgba(124, 92, 255, .14);
            color: #e9edff;
            border: 1px solid rgba(124, 92, 255, .2);
            flex: 0 0 auto;
            transition: transform .25s ease, background .25s ease;
        }

        details[open] summary::after {
            content: "–";
            background: rgba(40, 215, 255, .14);
        }

        .faq-item p {
            margin: 12px 0 0;
            color: var(--muted);
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1.2fr .8fr;
            gap: 18px;
        }

        .news-list {
            display: grid;
            gap: 12px;
        }

        .news-item {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 14px;
            align-items: start;
            padding: 16px 18px;
            border-radius: 18px;
            border: 1px solid rgba(173, 195, 255, .12);
            background: rgba(255,255,255,.04);
            transition: transform .25s ease, border-color .25s ease, background .25s ease, box-shadow .25s ease;
        }

        .news-item:hover {
            transform: translateY(-2px);
            background: rgba(255,255,255,.055);
            border-color: rgba(147, 175, 255, .2);
            box-shadow: 0 18px 34px rgba(0, 0, 0, .16);
        }

        .news-item h3 {
            margin: 0 0 6px;
            font-size: 1.02rem;
            line-height: 1.38;
        }

        .news-item p {
            margin: 0;
            color: var(--muted);
            font-size: .95rem;
        }

        .news-meta {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 8px;
            color: var(--soft);
            white-space: nowrap;
            font-size: .88rem;
        }

        .news-right {
            display: grid;
            gap: 14px;
        }

        .spotlight {
            padding: 24px;
            background:
                linear-gradient(135deg, rgba(124, 92, 255, .13), rgba(40, 215, 255, .08)),
                linear-gradient(180deg, rgba(10, 19, 38, .92), rgba(8, 15, 31, .82));
        }

        .spotlight .mini {
            color: #dfe7ff;
            margin: 0 0 12px;
            font-weight: 700;
        }

        .mini-list {
            display: grid;
            gap: 10px;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .mini-list li {
            position: relative;
            padding-left: 20px;
            color: var(--muted);
        }

        .mini-list li::before {
            content: "";
            position: absolute;
            left: 0;
            top: .7em;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: linear-gradient(135deg, #7c5cff, #2dd4ff);
            box-shadow: 0 0 0 4px rgba(124, 92, 255, .12);
        }

        .safety-grid .panel {
            min-height: 100%;
        }

        .icon-card {
            display: grid;
            gap: 14px;
        }

        .icon-badge {
            width: 52px;
            height: 52px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(124, 92, 255, .22), rgba(40, 215, 255, .14));
            border: 1px solid rgba(148, 170, 255, .18);
            box-shadow: 0 14px 28px rgba(16, 28, 61, .26);
            font-size: 1.2rem;
        }

        .list-check {
            list-style: none;
            padding: 0;
            margin: 12px 0 0;
            display: grid;
            gap: 10px;
        }

        .list-check li {
            position: relative;
            padding-left: 26px;
            color: var(--soft);
        }

        .list-check li::before {
            content: "✓";
            position: absolute;
            left: 0;
            top: 0;
            color: #71f1c0;
            font-weight: 800;
        }

        .app-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
            align-items: center;
        }

        .app-shell {
            padding: 26px;
        }

        .app-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 14px;
        }

        .chip {
            padding: 8px 12px;
            border-radius: 999px;
            background: rgba(255,255,255,.05);
            border: 1px solid rgba(173, 195, 255, .12);
            color: #dfe8ff;
            font-size: .88rem;
        }

        .device-frame {
            position: relative;
            border-radius: 30px;
            padding: 16px;
            background: linear-gradient(180deg, rgba(15, 27, 54, .94), rgba(8, 15, 31, .86));
            border: 1px solid rgba(173, 195, 255, .14);
            box-shadow: inset 0 1px 0 rgba(255,255,255,.03), var(--shadow-soft);
            overflow: hidden;
        }

        .device-frame::before {
            content: "";
            position: absolute;
            inset: -40% -20% auto auto;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(124, 92, 255, .25), transparent 62%);
            pointer-events: none;
        }

        .device-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 14px;
        }

        .device-top strong {
            font-size: 1.03rem;
        }

        .device-status {
            padding: 6px 10px;
            border-radius: 999px;
            background: rgba(23, 224, 171, .11);
            color: #b8f6e6;
            border: 1px solid rgba(23, 224, 171, .2);
            font-size: .84rem;
        }

        .app-preview {
            display: grid;
            gap: 12px;
            grid-template-columns: repeat(2, minmax(0, 1fr));
        }

        .preview-card {
            min-height: 110px;
            padding: 16px;
            border-radius: 18px;
            background: rgba(255,255,255,.05);
            border: 1px solid rgba(173, 195, 255, .12);
        }

        .preview-card h4 {
            margin: 0 0 8px;
            font-size: 1rem;
        }

        .preview-card p {
            margin: 0;
            color: var(--muted);
            font-size: .92rem;
        }

        .preview-wide {
            grid-column: 1 / -1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            background:
                linear-gradient(135deg, rgba(124, 92, 255, .14), rgba(40, 215, 255, .08)),
                rgba(255,255,255,.04);
        }

        .featured-grid,
        .plans-grid,
        .voices-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 18px;
        }

        .featured-card,
        .plan-card,
        .voice-card {
            padding: 22px;
            border-radius: var(--radius-lg);
            background: rgba(255,255,255,.045);
            border: 1px solid rgba(173, 195, 255, .12);
            box-shadow: var(--shadow-soft);
            transition: transform .25s ease, border-color .25s ease, background .25s ease, box-shadow .25s ease;
        }

        .featured-card:hover,
        .plan-card:hover,
        .voice-card:hover {
            transform: translateY(-4px);
            border-color: rgba(153, 177, 255, .2);
            background: rgba(255,255,255,.055);
            box-shadow: 0 18px 36px rgba(0, 0, 0, .24);
        }

        .featured-card .label,
        .plan-card .label {
            display: inline-flex;
            padding: 6px 10px;
            border-radius: 999px;
            background: rgba(40, 215, 255, .1);
            color: #aeefff;
            border: 1px solid rgba(40, 215, 255, .16);
            font-size: .82rem;
            margin-bottom: 14px;
        }

        .featured-card h3,
        .plan-card h3,
        .voice-card h3 {
            margin: 0 0 10px;
            font-size: 1.12rem;
        }

        .featured-card p,
        .plan-card p,
        .voice-card p {
            margin: 0;
            color: var(--muted);
        }

        .feature-lines {
            margin-top: 14px;
            display: grid;
            gap: 8px;
            color: #dbe5fb;
            font-size: .94rem;
        }

        .feature-lines span {
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .feature-lines span::before {
            content: "";
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: linear-gradient(135deg, #7c5cff, #2dd4ff);
            flex: 0 0 auto;
        }

        .plan-head {
            display: flex;
            align-items: baseline;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 8px;
        }

        .price {
            font-size: 1.25rem;
            font-weight: 800;
            background: linear-gradient(135deg, #f7fbff, #89dcff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .plan-card ul {
            list-style: none;
            padding: 0;
            margin: 16px 0 18px;
            display: grid;
            gap: 10px;
        }

        .plan-card li {
            position: relative;
            padding-left: 22px;
            color: var(--soft);
        }

        .plan-card li::before {
            content: "•";
            position: absolute;
            left: 0;
            color: #7ce8ff;
            font-size: 1.1rem;
            line-height: 1;
        }

        .plan-card .btn {
            width: 100%;
        }

        .voice-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 12px;
        }

        .rating {
            color: #8be8ff;
            font-weight: 800;
        }

        .quote {
            color: #dce7fb;
            font-size: 1rem;
        }

        .footer {
            padding: 26px 0 36px;
        }

        .footer-shell {
            padding: 24px;
            border-radius: 30px 30px 18px 18px;
            background:
                linear-gradient(180deg, rgba(10, 18, 36, .94), rgba(7, 12, 24, .98));
            border: 1px solid rgba(173, 195, 255, .12);
            box-shadow: var(--shadow-soft);
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.2fr .8fr;
            gap: 18px;
            align-items: start;
        }

        .footer-brand {
            display: grid;
            gap: 12px;
        }

        .footer-brand .brand {
            white-space: normal;
        }

        .footer-note {
            color: var(--muted);
            max-width: 66ch;
            margin: 0;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: flex-end;
        }

        .footer-links a {
            padding: 9px 12px;
            border-radius: 999px;
            background: rgba(255,255,255,.04);
            border: 1px solid rgba(173, 195, 255, .12);
            color: #dfe8ff;
            transition: transform .25s ease, background .25s ease, border-color .25s ease;
        }

        .footer-links a:hover,
        .footer-links a:focus-visible {
            background: rgba(255,255,255,.08);
            border-color: rgba(173, 195, 255, .2);
            transform: translateY(-1px);
        }

        .copyright {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: space-between;
            padding-top: 18px;
            margin-top: 18px;
            border-top: 1px solid rgba(173, 195, 255, .12);
            color: var(--muted);
            font-size: .92rem;
        }

        .toast {
            position: fixed;
            left: 50%;
            bottom: 22px;
            transform: translateX(-50%) translateY(20px);
            background: rgba(8, 15, 32, .92);
            color: #eef4ff;
            border: 1px solid rgba(173, 195, 255, .18);
            box-shadow: var(--shadow);
            padding: 14px 18px;
            border-radius: 999px;
            opacity: 0;
            visibility: hidden;
            transition: opacity .28s ease, transform .28s ease, visibility .28s ease;
            z-index: 120;
            max-width: calc(100% - 24px);
            text-align: center;
        }

        .toast.show {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
        }

        .anchor-offset {
            scroll-margin-top: 110px;
        }

        .focus-ring:focus-visible,
        .btn:focus-visible,
        .nav a:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        summary:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(40, 215, 255, .16);
        }

        @media (max-width: 1120px) {
            .hero-grid,
            .news-layout,
            .app-layout,
            .footer-top {
                grid-template-columns: 1fr;
            }

            .featured-grid,
            .plans-grid,
            .voices-grid,
            .grid-4 {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }

            .stats-band {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }
        }

        @media (max-width: 860px) {
            .header-bar {
                border-radius: 26px;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .nav-wrap {
                position: relative;
            }

            .nav {
                position: absolute;
                top: calc(100% + 12px);
                right: 0;
                flex-direction: column;
                align-items: stretch;
                min-width: 220px;
                padding: 12px;
                border-radius: 22px;
                background: rgba(7, 15, 30, .92);
                border: 1px solid rgba(173, 195, 255, .14);
                box-shadow: var(--shadow);
                display: none;
            }

            .nav.open {
                display: flex;
            }

            .nav a {
                width: 100%;
                justify-content: flex-start;
            }

            .nav-pill {
                display: none;
            }

            .hero-grid {
                padding: 22px;
            }

            .hero-title {
                max-width: 12ch;
            }

            .grid-2,
            .grid-3,
            .featured-grid,
            .plans-grid,
            .voices-grid,
            .grid-4 {
                grid-template-columns: 1fr;
            }

            .hero-metrics,
            .field-grid {
                grid-template-columns: 1fr;
            }

            .update-row {
                grid-template-columns: 1fr;
                gap: 8px;
            }

            .update-meta {
                text-align: left;
            }

            .stats-band {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 520px) {
            .container {
                width: min(100% - 20px, 1180px);
            }

            .section {
                padding: 68px 0;
            }

            .hero {
                padding-top: 18px;
                padding-bottom: 48px;
            }

            .hero-title {
                font-size: clamp(2.1rem, 12vw, 3.3rem);
            }

            .hero-shell {
                border-radius: 24px;
            }

            .hero-grid,
            .panel,
            .hero-form,
            .footer-shell {
                padding: 18px;
            }

            .hero-actions,
            .form-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .btn {
                width: 100%;
            }

            .app-preview {
                grid-template-columns: 1fr;
            }

            .preview-wide {
                flex-direction: column;
                align-items: stretch;
            }

            .footer-links {
                justify-content: flex-start;
            }

            .copyright {
                flex-direction: column;
                gap: 6px;
            }
        }