/* roulang page: index */
:root {
            --bg: #f7f6ff;
            --bg-soft: #ffffff;
            --bg-tint: #f1efff;
            --panel: #12182f;
            --panel-2: #1d2342;
            --primary: #6d5dfc;
            --primary-2: #8a5cf6;
            --primary-dark: #4a3bd8;
            --secondary: #18c7b8;
            --accent: #ffb84d;
            --pink: #ff6f9f;
            --text: #20233a;
            --muted: #697089;
            --light: #f8f9ff;
            --white: #ffffff;
            --border: rgba(36, 42, 76, 0.12);
            --border-strong: rgba(109, 93, 252, 0.26);
            --shadow-sm: 0 10px 28px rgba(28, 32, 70, 0.08);
            --shadow-md: 0 18px 50px rgba(38, 35, 102, 0.14);
            --shadow-lg: 0 28px 80px rgba(25, 31, 68, 0.22);
            --radius-xs: 10px;
            --radius-sm: 14px;
            --radius-md: 22px;
            --radius-lg: 32px;
            --radius-xl: 42px;
            --container: 1180px;
            --nav-height: 78px;
            --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            text-size-adjust: 100%;
        }

        body {
            font-family: var(--font);
            line-height: 1.7;
            color: var(--text);
            background:
                radial-gradient(circle at 8% 0%, rgba(109, 93, 252, 0.18), transparent 34%),
                radial-gradient(circle at 92% 10%, rgba(24, 199, 184, 0.15), transparent 28%),
                linear-gradient(180deg, #fbfbff 0%, var(--bg) 46%, #ffffff 100%);
            overflow-x: hidden;
        }

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

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

        button, input {
            font: inherit;
        }

        button {
            border: 0;
            cursor: pointer;
        }

        input {
            border: 0;
            outline: none;
        }

        ::selection {
            background: rgba(109, 93, 252, 0.24);
            color: var(--panel);
        }

        :focus-visible {
            outline: 3px solid rgba(24, 199, 184, 0.42);
            outline-offset: 3px;
            border-radius: 10px;
        }

        .container {
            width: min(var(--container), calc(100% - 40px));
            margin: 0 auto;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.82);
            backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(109, 93, 252, 0.12);
        }

        .header-inner {
            min-height: var(--nav-height);
            display: grid;
            grid-template-columns: auto 1fr auto;
            align-items: center;
            gap: 22px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            font-weight: 900;
            letter-spacing: -0.02em;
            color: var(--panel);
            white-space: nowrap;
        }

        .brand-mark {
            width: 42px;
            height: 42px;
            border-radius: 15px;
            display: grid;
            place-items: center;
            color: var(--white);
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            box-shadow: 0 12px 30px rgba(109, 93, 252, 0.28);
            position: relative;
            overflow: hidden;
        }

        .brand-mark::after {
            content: "";
            position: absolute;
            width: 24px;
            height: 24px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.25);
            right: -6px;
            top: -5px;
        }

        .brand-text {
            font-size: 1.08rem;
        }

        .desktop-tools {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 14px;
            min-width: 0;
        }

        .search-box {
            width: min(520px, 100%);
            height: 46px;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0 8px 0 16px;
            border: 1px solid var(--border);
            background: rgba(247, 246, 255, 0.76);
            border-radius: 999px;
            transition: border-color .25s ease, box-shadow .25s ease, background .25s ease;
        }

        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 5px rgba(109, 93, 252, 0.12);
            background: var(--white);
        }

        .search-icon {
            color: var(--primary);
            font-size: 1rem;
        }

        .search-box input {
            flex: 1;
            min-width: 0;
            background: transparent;
            color: var(--text);
            font-size: .95rem;
        }

        .search-box input::placeholder {
            color: #8a90a7;
        }

        .search-box button {
            height: 34px;
            padding: 0 16px;
            border-radius: 999px;
            background: var(--panel);
            color: var(--white);
            font-weight: 800;
            transition: transform .2s ease, background .2s ease;
        }

        .search-box button:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
        }

        .icon-nav {
            display: flex;
            align-items: center;
            gap: 10px;
            justify-content: flex-end;
        }

        .nav-grid-link {
            min-width: 76px;
            height: 54px;
            padding: 7px 12px;
            border-radius: 18px;
            display: grid;
            place-items: center;
            gap: 2px;
            color: var(--muted);
            border: 1px solid transparent;
            transition: background .22s ease, color .22s ease, border-color .22s ease, transform .22s ease;
        }

        .nav-grid-link .nav-ico {
            width: 24px;
            height: 24px;
            border-radius: 9px;
            display: grid;
            place-items: center;
            background: rgba(109, 93, 252, 0.12);
            color: var(--primary);
            font-size: .85rem;
        }

        .nav-grid-link span:last-child {
            font-size: .82rem;
            font-weight: 800;
        }

        .nav-grid-link:hover,
        .nav-grid-link.active {
            background: var(--white);
            color: var(--primary-dark);
            border-color: rgba(109, 93, 252, 0.18);
            box-shadow: var(--shadow-sm);
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 14px;
            background: var(--panel);
            color: var(--white);
            box-shadow: var(--shadow-sm);
        }

        .mobile-panel {
            display: none;
            padding: 0 0 16px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            min-height: 48px;
            padding: 0 20px;
            border-radius: 999px;
            font-weight: 900;
            letter-spacing: -0.01em;
            transition: transform .22s ease, box-shadow .22s ease, background .22s ease, color .22s ease, border-color .22s ease;
            user-select: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-2));
            color: var(--white);
            box-shadow: 0 16px 34px rgba(109, 93, 252, 0.32);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 20px 44px rgba(109, 93, 252, 0.42);
        }

        .btn-light {
            background: rgba(255, 255, 255, 0.12);
            color: var(--white);
            border: 1px solid rgba(255, 255, 255, 0.22);
        }

        .btn-light:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }

        .btn-ghost {
            background: var(--white);
            color: var(--primary-dark);
            border: 1px solid var(--border-strong);
        }

        .btn-ghost:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            min-height: 30px;
            padding: 5px 12px;
            border-radius: 999px;
            font-size: .84rem;
            font-weight: 900;
            color: var(--primary-dark);
            background: rgba(109, 93, 252, 0.1);
            border: 1px solid rgba(109, 93, 252, 0.16);
        }

        .badge.green {
            color: #08786e;
            background: rgba(24, 199, 184, 0.12);
            border-color: rgba(24, 199, 184, 0.2);
        }

        .badge.orange {
            color: #9a5a00;
            background: rgba(255, 184, 77, 0.16);
            border-color: rgba(255, 184, 77, 0.24);
        }

        main {
            position: relative;
        }

        .section {
            padding: 78px 0;
        }

        .section.compact {
            padding: 58px 0;
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 28px;
            margin-bottom: 28px;
        }

        .section-title {
            font-size: clamp(1.75rem, 3vw, 2.6rem);
            line-height: 1.18;
            letter-spacing: -0.045em;
            color: var(--panel);
        }

        .section-desc {
            margin-top: 12px;
            max-width: 720px;
            color: var(--muted);
            font-size: 1.02rem;
        }

        .hero {
            padding: 34px 0 84px;
        }

        .hero-shell {
            position: relative;
            overflow: hidden;
            border-radius: var(--radius-xl);
            background:
                radial-gradient(circle at 20% 18%, rgba(109, 93, 252, 0.46), transparent 28%),
                radial-gradient(circle at 84% 8%, rgba(24, 199, 184, 0.32), transparent 24%),
                linear-gradient(135deg, #10162c 0%, #1b2144 48%, #2b2360 100%);
            color: var(--white);
            box-shadow: var(--shadow-lg);
            min-height: 510px;
            display: grid;
            grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr);
            gap: 32px;
            padding: clamp(28px, 5vw, 58px);
        }

        .hero-shell::before {
            content: "";
            position: absolute;
            inset: 16px;
            border-radius: calc(var(--radius-xl) - 12px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .pain-line {
            width: fit-content;
            max-width: 100%;
            margin-bottom: 18px;
            padding: 10px 14px;
            border-radius: 999px;
            color: #dce0ff;
            background: rgba(255, 255, 255, 0.09);
            border: 1px solid rgba(255, 255, 255, 0.14);
            font-weight: 800;
            font-size: .92rem;
        }

        h1 {
            max-width: 760px;
            font-size: clamp(2.35rem, 5.4vw, 5.45rem);
            line-height: .98;
            letter-spacing: -0.075em;
        }

        .hero-intro {
            max-width: 710px;
            margin: 24px 0 28px;
            color: rgba(255, 255, 255, 0.78);
            font-size: clamp(1rem, 1.6vw, 1.18rem);
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 26px;
        }

        .data-pills {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .data-pill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 9px 12px;
            border-radius: 999px;
            color: rgba(255, 255, 255, 0.86);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            font-size: .88rem;
            font-weight: 800;
        }

        .hero-board-wrap {
            position: relative;
            z-index: 2;
            display: grid;
            align-content: center;
        }

        .hero-board {
            border-radius: 34px;
            padding: 20px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.18);
            box-shadow: 0 24px 80px rgba(0, 0, 0, 0.22);
            backdrop-filter: blur(14px);
        }

        .board-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 4px 2px 16px;
        }

        .board-title {
            font-weight: 950;
            font-size: 1.15rem;
        }

        .live-dot {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 10px;
            border-radius: 999px;
            background: rgba(24, 199, 184, 0.16);
            color: #b9fff8;
            font-size: .82rem;
            font-weight: 900;
        }

        .live-dot::before {
            content: "";
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--secondary);
            box-shadow: 0 0 0 6px rgba(24, 199, 184, 0.16);
        }

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

        .rank-item {
            display: grid;
            grid-template-columns: auto 1fr auto;
            align-items: center;
            gap: 12px;
            padding: 14px;
            border-radius: 22px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.12);
            transition: transform .22s ease, background .22s ease;
        }

        .rank-item:hover {
            transform: translateX(4px);
            background: rgba(255, 255, 255, 0.15);
        }

        .rank-no {
            width: 34px;
            height: 34px;
            border-radius: 13px;
            display: grid;
            place-items: center;
            background: linear-gradient(135deg, var(--accent), var(--pink));
            color: var(--panel);
            font-weight: 950;
        }

        .rank-name {
            font-weight: 900;
        }

        .rank-meta {
            color: rgba(255, 255, 255, 0.64);
            font-size: .85rem;
        }

        .rank-score {
            display: grid;
            place-items: center;
            min-width: 58px;
            height: 34px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.16);
            font-weight: 950;
            color: #ffffff;
        }

        .mini-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            margin-top: 14px;
        }

        .mini-card {
            padding: 14px;
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.12);
        }

        .mini-card strong {
            display: block;
            font-size: 1.35rem;
            line-height: 1;
            margin-bottom: 8px;
        }

        .mini-card span {
            color: rgba(255, 255, 255, 0.68);
            font-size: .82rem;
            font-weight: 800;
        }

        .latest {
            margin-top: -36px;
            position: relative;
            z-index: 3;
            padding-top: 0;
        }

        .updates-panel {
            display: grid;
            grid-template-columns: .95fr 1.35fr;
            gap: 22px;
            align-items: stretch;
        }

        .update-highlight,
        .card {
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.86);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease;
        }

        .update-highlight:hover,
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(109, 93, 252, 0.22);
        }

        .update-highlight {
            padding: 28px;
            background:
                linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(241, 239, 255, 0.88)),
                radial-gradient(circle at 88% 12%, rgba(255, 184, 77, 0.28), transparent 30%);
        }

        .date-badge {
            width: 86px;
            height: 86px;
            border-radius: 28px;
            display: grid;
            place-items: center;
            margin-bottom: 20px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--white);
            font-weight: 950;
            box-shadow: 0 18px 38px rgba(109, 93, 252, 0.28);
        }

        .date-badge span {
            display: block;
            text-align: center;
            line-height: 1.15;
        }

        .date-badge .day {
            font-size: 1.8rem;
        }

        .update-highlight h2,
        .quick-panel h2,
        .security-panel h2,
        .app-card h2 {
            font-size: clamp(1.55rem, 2.4vw, 2.25rem);
            line-height: 1.22;
            letter-spacing: -0.04em;
            color: var(--panel);
            margin-bottom: 12px;
        }

        .update-highlight p {
            color: var(--muted);
            margin-bottom: 22px;
        }

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

        .update-item {
            display: grid;
            grid-template-columns: auto 1fr auto;
            gap: 14px;
            align-items: center;
            min-height: 86px;
            padding: 16px;
            border-radius: 24px;
            background: var(--white);
            border: 1px solid var(--border);
            box-shadow: 0 8px 24px rgba(28, 32, 70, 0.05);
            transition: transform .22s ease, border-color .22s ease, background .22s ease;
        }

        .update-item:hover {
            transform: translateX(4px);
            border-color: rgba(109, 93, 252, 0.24);
            background: #fcfbff;
        }

        .update-ico,
        .feature-ico,
        .promise-ico,
        .step-no,
        .quote-avatar {
            width: 48px;
            height: 48px;
            border-radius: 18px;
            display: grid;
            place-items: center;
            font-size: 1.2rem;
            background: rgba(109, 93, 252, 0.1);
            color: var(--primary);
            flex: 0 0 auto;
        }

        .update-item h3 {
            font-size: 1.02rem;
            line-height: 1.35;
            color: var(--panel);
        }

        .update-item p {
            margin-top: 3px;
            color: var(--muted);
            font-size: .92rem;
        }

        .update-time {
            color: #9298ad;
            font-weight: 800;
            font-size: .85rem;
            white-space: nowrap;
        }

        .quick-grid {
            display: grid;
            grid-template-columns: .9fr 1.1fr;
            gap: 26px;
            align-items: start;
        }

        .quick-panel {
            padding: 30px;
            border-radius: var(--radius-lg);
            color: var(--panel);
            background: linear-gradient(135deg, rgba(109, 93, 252, 0.11), rgba(24, 199, 184, 0.1));
            border: 1px solid rgba(109, 93, 252, 0.16);
        }

        .quick-panel p {
            color: var(--muted);
            margin-bottom: 18px;
        }

        .quick-metrics {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-top: 22px;
        }

        .metric {
            padding: 18px;
            border-radius: 22px;
            background: rgba(255, 255, 255, 0.72);
            border: 1px solid var(--border);
        }

        .metric strong {
            display: block;
            font-size: 1.9rem;
            line-height: 1;
            color: var(--primary-dark);
            letter-spacing: -0.04em;
        }

        .metric span {
            display: block;
            margin-top: 8px;
            color: var(--muted);
            font-weight: 800;
            font-size: .9rem;
        }

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

        .faq-item {
            border-radius: 24px;
            background: var(--white);
            border: 1px solid var(--border);
            box-shadow: 0 8px 28px rgba(28, 32, 70, 0.05);
            overflow: hidden;
        }

        .faq-question {
            width: 100%;
            min-height: 68px;
            padding: 18px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            color: var(--panel);
            background: transparent;
            text-align: left;
            font-weight: 950;
        }

        .faq-question .plus {
            width: 30px;
            height: 30px;
            border-radius: 11px;
            display: grid;
            place-items: center;
            background: rgba(109, 93, 252, 0.11);
            color: var(--primary-dark);
            transition: transform .22s ease, background .22s ease;
            flex: 0 0 auto;
        }

        .faq-answer {
            display: none;
            padding: 0 20px 20px;
            color: var(--muted);
            font-size: .98rem;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        .faq-item.open .plus {
            transform: rotate(45deg);
            background: rgba(255, 184, 77, 0.22);
        }

        .info-layout {
            display: grid;
            grid-template-columns: minmax(0, 1.45fr) minmax(300px, .7fr);
            gap: 24px;
            align-items: start;
        }

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

        .article-link {
            display: grid;
            grid-template-columns: auto 1fr auto;
            align-items: center;
            gap: 16px;
            padding: 18px;
            border-radius: 24px;
            background: var(--white);
            border: 1px solid var(--border);
            box-shadow: 0 10px 28px rgba(28, 32, 70, 0.05);
            transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
        }

        .article-link:hover {
            transform: translateY(-3px);
            border-color: rgba(109, 93, 252, 0.26);
            box-shadow: var(--shadow-sm);
        }

        .article-index {
            width: 42px;
            height: 42px;
            border-radius: 16px;
            display: grid;
            place-items: center;
            background: var(--bg-tint);
            color: var(--primary-dark);
            font-weight: 950;
        }

        .article-link h3 {
            font-size: 1.05rem;
            line-height: 1.35;
            color: var(--panel);
        }

        .article-link p {
            color: var(--muted);
            font-size: .92rem;
            margin-top: 4px;
        }

        .article-arrow {
            color: var(--primary);
            font-weight: 950;
            font-size: 1.2rem;
        }

        .recommend-card {
            position: sticky;
            top: 102px;
            padding: 24px;
            border-radius: var(--radius-lg);
            background:
                radial-gradient(circle at 86% 0%, rgba(24, 199, 184, 0.18), transparent 30%),
                linear-gradient(180deg, #ffffff, #f8f7ff);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }

        .recommend-card h3 {
            color: var(--panel);
            font-size: 1.28rem;
            line-height: 1.28;
            margin-bottom: 10px;
        }

        .recommend-card p {
            color: var(--muted);
            margin-bottom: 18px;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 9px;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            min-height: 32px;
            padding: 5px 11px;
            border-radius: 999px;
            background: var(--white);
            border: 1px solid var(--border);
            color: var(--muted);
            font-size: .86rem;
            font-weight: 800;
            transition: color .2s ease, border-color .2s ease, transform .2s ease;
        }

        .tag:hover {
            color: var(--primary-dark);
            border-color: rgba(109, 93, 252, 0.28);
            transform: translateY(-1px);
        }

        .promise-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
            padding: 16px;
            border-radius: var(--radius-lg);
            background: var(--panel);
            color: var(--white);
            box-shadow: var(--shadow-lg);
            overflow: hidden;
            position: relative;
        }

        .promise-strip::after {
            content: "";
            position: absolute;
            width: 260px;
            height: 260px;
            border-radius: 999px;
            background: rgba(109, 93, 252, 0.34);
            right: -120px;
            bottom: -150px;
            filter: blur(4px);
        }

        .promise-item {
            position: relative;
            z-index: 2;
            display: flex;
            gap: 14px;
            align-items: center;
            padding: 18px;
            border-radius: 24px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
        }

        .promise-ico {
            background: rgba(255, 255, 255, 0.12);
            color: #b9fff8;
        }

        .promise-item strong {
            display: block;
            font-size: 1rem;
        }

        .promise-item span {
            display: block;
            margin-top: 2px;
            color: rgba(255, 255, 255, 0.64);
            font-size: .86rem;
        }

        .security-panel {
            display: grid;
            grid-template-columns: .85fr 1.15fr;
            gap: 26px;
            align-items: stretch;
            padding: 30px;
            border-radius: var(--radius-xl);
            background:
                linear-gradient(135deg, rgba(18, 24, 47, 0.98), rgba(43, 35, 96, 0.96)),
                radial-gradient(circle at 20% 0%, rgba(109, 93, 252, 0.3), transparent 26%);
            color: var(--white);
            box-shadow: var(--shadow-lg);
        }

        .security-panel h2 {
            color: var(--white);
        }

        .security-panel .section-desc {
            color: rgba(255, 255, 255, 0.68);
        }

        .shield-visual {
            min-height: 100%;
            border-radius: 34px;
            background:
                radial-gradient(circle at 50% 42%, rgba(24, 199, 184, 0.28), transparent 34%),
                rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            display: grid;
            place-items: center;
            padding: 30px;
            text-align: center;
        }

        .shield {
            width: 158px;
            height: 176px;
            margin: 0 auto 20px;
            border-radius: 48% 48% 55% 55%;
            display: grid;
            place-items: center;
            background: linear-gradient(135deg, var(--secondary), var(--primary));
            box-shadow: 0 24px 70px rgba(24, 199, 184, 0.2);
            font-size: 3.2rem;
        }

        .shield-visual strong {
            display: block;
            font-size: 1.25rem;
        }

        .shield-visual span {
            color: rgba(255, 255, 255, 0.66);
            font-size: .94rem;
        }

        .security-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
        }

        .security-card {
            padding: 20px;
            border-radius: 24px;
            background: rgba(255, 255, 255, 0.09);
            border: 1px solid rgba(255, 255, 255, 0.12);
            transition: transform .22s ease, background .22s ease;
        }

        .security-card:hover {
            transform: translateY(-3px);
            background: rgba(255, 255, 255, 0.13);
        }

        .security-card .feature-ico {
            background: rgba(255, 255, 255, 0.12);
            color: #ffffff;
            margin-bottom: 14px;
        }

        .security-card h3 {
            font-size: 1.05rem;
            margin-bottom: 6px;
        }

        .security-card p {
            color: rgba(255, 255, 255, 0.65);
            font-size: .93rem;
        }

        .steps-wrap {
            display: grid;
            grid-template-columns: .72fr 1.28fr;
            gap: 24px;
            align-items: center;
        }

        .steps-note {
            padding: 28px;
            border-radius: var(--radius-lg);
            background: linear-gradient(135deg, rgba(255, 184, 77, 0.16), rgba(255, 255, 255, 0.82));
            border: 1px solid rgba(255, 184, 77, 0.28);
            box-shadow: var(--shadow-sm);
        }

        .steps-note h2 {
            font-size: clamp(1.55rem, 2.5vw, 2.35rem);
            line-height: 1.18;
            letter-spacing: -0.04em;
            color: var(--panel);
            margin-bottom: 12px;
        }

        .steps-note p {
            color: var(--muted);
        }

        .steps-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
        }

        .step-card {
            position: relative;
            padding: 22px;
            min-height: 210px;
            border-radius: var(--radius-lg);
            background: var(--white);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: transform .22s ease, box-shadow .22s ease;
        }

        .step-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

        .step-no {
            width: 44px;
            height: 44px;
            color: var(--white);
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            font-weight: 950;
            margin-bottom: 18px;
        }

        .step-card h3 {
            color: var(--panel);
            font-size: 1.05rem;
            margin-bottom: 8px;
        }

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

        .quotes {
            display: grid;
            grid-template-columns: 1.2fr .8fr;
            gap: 22px;
        }

        .quote-main,
        .quote-side {
            border-radius: var(--radius-lg);
            background: var(--white);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 26px;
        }

        .quote-main {
            display: grid;
            grid-template-columns: auto 1fr;
            gap: 18px;
            align-items: start;
        }

        .quote-avatar {
            background: linear-gradient(135deg, rgba(109, 93, 252, 0.16), rgba(24, 199, 184, 0.16));
            color: var(--primary-dark);
            font-weight: 950;
        }

        .quote-text {
            font-size: 1.15rem;
            color: var(--panel);
            font-weight: 750;
            line-height: 1.65;
        }

        .quote-name {
            margin-top: 16px;
            color: var(--muted);
            font-weight: 800;
        }

        .quote-side {
            background: linear-gradient(135deg, #ffffff, #f5f3ff);
        }

        .quote-side h3 {
            font-size: 1.28rem;
            color: var(--panel);
            margin-bottom: 14px;
        }

        .score-row {
            display: flex;
            justify-content: space-between;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px dashed rgba(36, 42, 76, 0.14);
            color: var(--muted);
            font-weight: 800;
        }

        .score-row:last-child {
            border-bottom: 0;
        }

        .score-row strong {
            color: var(--primary-dark);
        }

        .app-section {
            padding-bottom: 96px;
        }

        .app-card {
            position: relative;
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr .88fr;
            gap: 28px;
            align-items: center;
            padding: clamp(28px, 4vw, 46px);
            border-radius: var(--radius-xl);
            color: var(--white);
            background:
                radial-gradient(circle at 82% 16%, rgba(255, 184, 77, 0.34), transparent 28%),
                radial-gradient(circle at 20% 100%, rgba(24, 199, 184, 0.24), transparent 26%),
                linear-gradient(135deg, var(--primary-dark), #151b35);
            box-shadow: var(--shadow-lg);
        }

        .app-card::before {
            content: "";
            position: absolute;
            inset: 18px;
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: calc(var(--radius-xl) - 14px);
            pointer-events: none;
        }

        .app-card > * {
            position: relative;
            z-index: 2;
        }

        .app-card h2 {
            color: var(--white);
        }

        .app-card p {
            color: rgba(255, 255, 255, 0.72);
            max-width: 670px;
            margin-bottom: 22px;
        }

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

        .subscribe-form {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 10px;
            width: min(560px, 100%);
            padding: 8px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.16);
        }

        .subscribe-form input {
            min-height: 46px;
            padding: 0 16px;
            color: var(--white);
            background: transparent;
        }

        .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.56);
        }

        .subscribe-form button {
            min-height: 46px;
            padding: 0 18px;
            border-radius: 999px;
            background: var(--white);
            color: var(--primary-dark);
            font-weight: 950;
            transition: transform .2s ease, box-shadow .2s ease;
        }

        .subscribe-form button:hover {
            transform: translateY(-1px);
            box-shadow: 0 12px 24px rgba(255, 255, 255, 0.18);
        }

        .app-visual {
            min-height: 310px;
            display: grid;
            place-items: center;
        }

        .device-card {
            width: min(360px, 100%);
            padding: 18px;
            border-radius: 34px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.16);
            backdrop-filter: blur(14px);
            transform: rotate(2deg);
            box-shadow: 0 24px 58px rgba(0, 0, 0, 0.18);
        }

        .device-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 14px;
            color: rgba(255, 255, 255, 0.72);
            font-weight: 850;
            font-size: .9rem;
        }

        .device-screen {
            border-radius: 24px;
            background: rgba(255, 255, 255, 0.92);
            color: var(--panel);
            padding: 18px;
        }

        .device-row {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(36, 42, 76, 0.1);
        }

        .device-row:last-child {
            border-bottom: 0;
        }

        .device-dot {
            width: 34px;
            height: 34px;
            border-radius: 13px;
            display: grid;
            place-items: center;
            background: rgba(109, 93, 252, 0.12);
            color: var(--primary);
            font-weight: 950;
        }

        .device-row strong {
            display: block;
            font-size: .96rem;
        }

        .device-row span {
            display: block;
            color: var(--muted);
            font-size: .84rem;
        }

        .site-footer {
            padding: 44px 0 34px;
            background: #0f1428;
            color: rgba(255, 255, 255, 0.72);
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 28px;
            align-items: start;
        }

        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
            color: var(--white);
            font-weight: 950;
            font-size: 1.08rem;
        }

        .footer-desc {
            max-width: 760px;
            color: rgba(255, 255, 255, 0.62);
        }

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

        .footer-links a {
            padding: 8px 12px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.07);
            color: rgba(255, 255, 255, 0.78);
            font-weight: 800;
            font-size: .9rem;
            transition: background .2s ease, color .2s ease;
        }

        .footer-links a:hover {
            background: rgba(109, 93, 252, 0.38);
            color: var(--white);
        }

        .footer-bottom {
            margin-top: 28px;
            padding-top: 22px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            color: rgba(255, 255, 255, 0.48);
            font-size: .9rem;
        }

        .toast {
            position: fixed;
            left: 50%;
            bottom: 24px;
            transform: translate(-50%, 18px);
            padding: 12px 18px;
            border-radius: 999px;
            background: var(--panel);
            color: var(--white);
            box-shadow: var(--shadow-lg);
            opacity: 0;
            pointer-events: none;
            transition: opacity .25s ease, transform .25s ease;
            z-index: 80;
            font-weight: 850;
        }

        .toast.show {
            opacity: 1;
            transform: translate(-50%, 0);
        }

        @media (max-width: 1024px) {
            :root {
                --nav-height: 70px;
            }

            .header-inner {
                grid-template-columns: auto 1fr auto;
                gap: 14px;
            }

            .desktop-tools {
                justify-content: flex-end;
            }

            .search-box {
                width: min(420px, 100%);
            }

            .hero-shell,
            .security-panel,
            .app-card {
                grid-template-columns: 1fr;
            }

            .hero-board-wrap {
                align-content: start;
            }

            .updates-panel,
            .quick-grid,
            .info-layout,
            .steps-wrap,
            .quotes {
                grid-template-columns: 1fr;
            }

            .recommend-card {
                position: static;
            }

            .promise-strip,
            .steps-list {
                grid-template-columns: repeat(2, 1fr);
            }

            .security-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .container {
                width: min(100% - 28px, var(--container));
            }

            .site-header {
                position: sticky;
            }

            .header-inner {
                grid-template-columns: auto auto;
                justify-content: space-between;
                min-height: 66px;
            }

            .desktop-tools,
            .icon-nav {
                display: none;
            }

            .mobile-toggle {
                display: grid;
                place-items: center;
            }

            .mobile-panel.open {
                display: grid;
                gap: 12px;
            }

            .mobile-panel .search-box {
                width: 100%;
            }

            .mobile-panel .icon-nav {
                display: grid;
                grid-template-columns: repeat(2, minmax(0, 1fr));
                justify-content: stretch;
            }

            .mobile-panel .nav-grid-link {
                width: 100%;
                min-width: 0;
                grid-template-columns: auto 1fr;
                justify-items: start;
                height: 52px;
            }

            .section {
                padding: 58px 0;
            }

            .section-head {
                display: block;
            }

            .hero {
                padding: 22px 0 62px;
            }

            .hero-shell {
                min-height: auto;
                border-radius: 30px;
                padding: 26px;
            }

            h1 {
                font-size: clamp(2.25rem, 12vw, 4rem);
            }

            .hero-actions .btn {
                width: 100%;
            }

            .mini-cards {
                grid-template-columns: 1fr;
            }

            .latest {
                margin-top: -20px;
            }

            .update-item,
            .article-link {
                grid-template-columns: auto 1fr;
            }

            .update-time,
            .article-arrow {
                grid-column: 2;
                justify-self: start;
            }

            .quick-metrics,
            .promise-strip,
            .security-grid,
            .steps-list {
                grid-template-columns: 1fr;
            }

            .quote-main {
                grid-template-columns: 1fr;
            }

            .subscribe-form {
                grid-template-columns: 1fr;
                border-radius: 26px;
            }

            .subscribe-form button {
                width: 100%;
            }

            .footer-inner {
                grid-template-columns: 1fr;
            }

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

        @media (max-width: 520px) {
            .brand-text {
                font-size: .98rem;
            }

            .brand-mark {
                width: 38px;
                height: 38px;
                border-radius: 13px;
            }

            .pain-line {
                border-radius: 18px;
                font-size: .86rem;
            }

            .hero-shell {
                padding: 22px;
            }

            .hero-intro {
                margin: 18px 0 22px;
            }

            .board-top {
                display: grid;
            }

            .rank-item {
                grid-template-columns: auto 1fr;
            }

            .rank-score {
                grid-column: 2;
                justify-self: start;
            }

            .section-title {
                font-size: 1.72rem;
            }

            .update-highlight,
            .quick-panel,
            .recommend-card,
            .steps-note,
            .quote-main,
            .quote-side {
                padding: 22px;
                border-radius: 26px;
            }

            .security-panel,
            .app-card {
                padding: 22px;
                border-radius: 30px;
            }

            .promise-item {
                align-items: flex-start;
            }

            .device-card {
                transform: none;
            }

            .footer-bottom {
                display: grid;
            }
        }