:root {
            --section-space: 1.25rem;
            --section-space-lg: 1.5rem;
            --module-space: 1.25rem;
            --demo-green: var(--brand-green);
            --demo-green-dark: var(--brand-green-dark);
            --demo-green-soft: rgba(0, 209, 102, 0.12);
            --demo-green-soft-strong: rgba(0, 209, 102, 0.18);
            --demo-green-border: rgba(0, 209, 102, 0.2);
            --demo-green-shadow: rgba(0, 209, 102, 0.24);
        }

        body {
            background: #dcecff;
        }

        main {
            position: relative;
            isolation: isolate;
        }

        .home-top-bg-layer {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: clamp(32rem, 96vh, 58rem);
            background-image: url('../img/slider/bg.png');
            background-size: cover;
            background-position: center bottom;
            background-repeat: no-repeat;
            opacity: 0.9;
            z-index: 0;
            pointer-events: none;
        }

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

        .text-emerald-400,
        .text-emerald-500,
        .text-emerald-600,
        .text-emerald-700 {
            color: var(--demo-green) !important;
        }

        .bg-emerald-400,
        .bg-emerald-500 {
            background-color: var(--demo-green) !important;
        }

        .bg-emerald-500\/10 {
            background-color: rgba(0, 209, 102, 0.1) !important;
        }

        .border-emerald-500\/20 {
            border-color: rgba(0, 209, 102, 0.18) !important;
        }

        .hover\:bg-emerald-50:hover {
            background-color: rgba(0, 209, 102, 0.08) !important;
        }

        .demo-shell {
            max-width: 1380px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 768px) {
            .demo-shell {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        .demo-hero {
            padding-top: 0;
            padding-bottom: var(--section-space);
        }

        @media (min-width: 1024px) {
            .demo-hero {
                padding-bottom: var(--section-space-lg);
            }
        }

        .content-strip.ticker-anchor {
            padding-top: 7.6rem;
        }

        @media (max-width: 767px) {
            .content-strip.ticker-anchor {
                padding-top: 7.25rem;
            }
        }

        @media (min-width: 1024px) {
            .content-strip.ticker-anchor {
                padding-top: 8.8rem;
            }
        }

        .hero-panel {
            position: relative;
            overflow: hidden;
            border-radius: 2.5rem;
            padding: 1.5rem;
        }

        @media (min-width: 1024px) {
            .hero-panel {
                padding: 2rem;
            }
        }

        .hero-panel::before {
            content: "";
            position: absolute;
            inset: auto auto 12% -12%;
            width: 15rem;
            height: 15rem;
            border-radius: 999px;
            background: var(--demo-green-soft);
            filter: blur(48px);
            pointer-events: none;
        }

        .eyebrow-pill {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.65rem 1rem;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.55);
            border: 1px solid rgba(255, 255, 255, 0.6);
            font-size: 0.95rem;
            font-weight: 700;
            color: #0f172a;
        }

        .hero-title {
            font-size: clamp(2.2rem, 5.1vw, 4.4rem);
            line-height: 0.98;
            letter-spacing: -0.05em;
            font-weight: 800;
            color: #0f172a;
        }

        .hero-title-line {
            display: block;
        }

        .hero-title-line + .hero-title-line {
            margin-top: 0.18em;
        }

        .hero-copy {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            height: 100%;
        }

        @media (min-width: 1024px) {
            .hero-copy {
                justify-content: space-between;
            }
        }

        .hero-copy-main {
            display: flex;
            flex-direction: column;
            gap: 0.9rem;
        }

        .hero-copy-text {
            max-width: 42rem;
        }

        .hero-copy-text p {
            line-height: 1.75;
        }

        .hero-title-line {
            display: block;
        }

        .hero-title-line.is-accent {
            color: var(--demo-green);
        }

        .hero-actions {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        @media (min-width: 640px) {
            .hero-actions {
                flex-direction: row;
                flex-wrap: wrap;
            }
        }

        .hero-subscribe {
            margin-top: auto;
            padding: 1rem;
            border-radius: 1.75rem;
            background: rgba(255, 255, 255, 0.52);
            border: 1px solid rgba(255, 255, 255, 0.6);
        }

        .briefing-kicker {
            display: block;
            color: var(--demo-green);
            font-size: 0.8rem;
            font-weight: 800;
            letter-spacing: 0.18em;
            text-transform: uppercase;
        }

        .briefing-title {
            margin-top: 0.5rem;
            font-size: 1.25rem;
            font-weight: 700;
            line-height: 1.2;
            color: #0f172a;
        }

        .briefing-title-line {
            display: block;
        }

        .briefing-copy {
            max-width: 34rem;
            font-size: 0.92rem;
            line-height: 1.75;
        }

        .hero-subscribe-form,
        .sidebar-subscribe-form {
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
        }

        .hero-subscribe input,
        .sidebar-subscribe-form input {
            flex: 1 1 15rem;
            min-width: 0;
            background: rgba(255, 255, 255, 0.76);
            border: 1px solid rgba(148, 163, 184, 0.28);
            border-radius: 0.95rem;
            padding: 0.9rem 1rem;
            font-size: 0.95rem;
            color: #0f172a;
            outline: none;
        }

        .hero-subscribe input:focus,
        .sidebar-subscribe-form input:focus {
            border-color: rgba(0, 209, 102, 0.6);
            box-shadow: 0 0 0 4px var(--demo-green-soft);
        }

        .sidebar-subscribe-form {
            flex-wrap: nowrap;
            align-items: stretch;
        }

        .sidebar-subscribe-form input {
            flex: 1 1 auto;
        }

        .sidebar-subscribe-form button {
            flex: 0 0 auto;
            white-space: nowrap;
            padding-left: 1.15rem;
            padding-right: 1.15rem;
        }

        @media (max-width: 640px) {
            .hero-panel {
                border-radius: 1.65rem;
                padding: 1.35rem;
            }

            .hero-actions,
            .hero-subscribe-form,
            .sidebar-subscribe-form {
                flex-direction: column;
            }

            .hero-actions a,
            .hero-subscribe-form input,
            .hero-subscribe-form button,
            .sidebar-subscribe-form input,
            .sidebar-subscribe-form button {
                width: 100%;
            }

            .hero-subscribe-form input,
            .sidebar-subscribe-form input {
                flex-basis: auto;
            }

            .hero-subscribe-form button,
            .sidebar-subscribe-form button {
                flex: 0 0 auto;
            }

            .briefing-copy {
                font-size: 0.88rem;
            }
        }

        .btn-zoom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 1rem;
            border: 1px solid rgba(59, 130, 246, 0.38);
            background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
            color: #ffffff;
            box-shadow: 0 18px 34px rgba(37, 99, 235, 0.24);
            transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
        }

        .btn-zoom:hover {
            transform: translateY(-1px);
            filter: brightness(1.03);
            box-shadow: 0 20px 38px rgba(37, 99, 235, 0.28);
        }

        .interest-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-top: 0.85rem;
        }

        .interest-tag {
            display: inline-flex;
            align-items: center;
            padding: 0.4rem 0.8rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            color: #475569;
            background: rgba(255, 255, 255, 0.72);
            border: 1px solid rgba(148, 163, 184, 0.2);
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .interest-tag.is-on,
        .interest-tag:hover {
            color: var(--demo-green);
            background: var(--demo-green-soft);
            border-color: var(--demo-green-border);
        }

        .subscribe-feedback {
            margin-top: 0.75rem;
            display: none;
            font-size: 0.8rem;
            font-weight: 600;
        }

        .subscribe-feedback.is-error {
            color: #b91c1c;
            display: block;
        }

        .subscribe-feedback.is-success {
            color: var(--demo-green);
            display: block;
        }

        .home-popup-modal {
            position: fixed;
            inset: 0;
            z-index: 80;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 1.25rem;
        }

        .home-popup-modal.is-hidden {
            display: none;
        }

        .home-popup-backdrop {
            position: absolute;
            inset: 0;
            background: rgba(15, 23, 42, 0.68);
            backdrop-filter: blur(6px);
        }

        .home-popup-dialog {
            position: relative;
            z-index: 1;
            width: min(92vw, 600px);
            border-radius: 1.75rem;
            overflow: hidden;
            background: #ffffff;
            box-shadow: 0 35px 80px rgba(15, 23, 42, 0.32);
        }

        .home-popup-link {
            display: block;
        }

        .home-popup-image {
            display: block;
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        .home-popup-close {
            position: absolute;
            top: 0.9rem;
            right: 0.9rem;
            z-index: 2;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 2.25rem;
            height: 2.25rem;
            border: 0;
            border-radius: 999px;
            background: rgba(15, 23, 42, 0.75);
            color: #ffffff;
            font-size: 1.4rem;
            line-height: 1;
            cursor: pointer;
            transition: transform 0.18s ease, background 0.18s ease;
        }

        .home-popup-close:hover {
            transform: scale(1.04);
            background: rgba(15, 23, 42, 0.9);
        }

        .broadcast-card {
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            border-radius: 2rem;
            padding: 1.25rem;
            background: rgba(15, 23, 42, 0.74);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: white;
            min-height: 100%;
        }

        .broadcast-card::after {
            content: "";
            position: absolute;
            inset: auto -20% -20% auto;
            width: 13rem;
            height: 13rem;
            border-radius: 999px;
            background: var(--demo-green-soft-strong);
            filter: blur(55px);
            pointer-events: none;
        }

        .broadcast-thumb {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            border-radius: 1.5rem;
            background: #0f172a;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .broadcast-video-cover {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            display: block;
            object-fit: cover;
        }

        .broadcast-video-link {
            position: absolute;
            inset: 0;
            display: block;
        }

        .broadcast-video-frame {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            border: 0;
            display: none;
            background: #0f172a;
        }

        .broadcast-video-frame.is-active {
            display: block;
        }

        .broadcast-play-btn {
            position: absolute;
            right: 0.95rem;
            bottom: 0.95rem;
            z-index: 5;
            min-width: 6.2rem;
            height: 2.6rem;
            padding: 0 0.95rem;
            border: 0;
            border-radius: 999px;
            background: linear-gradient(135deg, #00d166 0%, #00b859 100%);
            box-shadow: 0 16px 30px rgba(0, 209, 102, 0.35);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.45rem;
            cursor: pointer;
            transition: transform 0.18s ease, filter 0.18s ease;
        }

        .broadcast-play-btn:hover {
            transform: translateY(-1px) scale(1.02);
            filter: brightness(1.05);
        }

        .broadcast-play-icon {
            width: 0;
            height: 0;
            margin-left: 0.06rem;
            border-top: 0.32rem solid transparent;
            border-bottom: 0.32rem solid transparent;
            border-left: 0.52rem solid #ffffff;
            pointer-events: none;
        }

        .broadcast-play-text {
            font-size: 0.82rem;
            font-weight: 800;
            letter-spacing: 0.06em;
            color: #ffffff;
            line-height: 1;
            pointer-events: none;
        }

        .broadcast-play-btn.is-hidden {
            display: none;
        }

        .metric-chip {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.55rem 0.8rem;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: rgba(255, 255, 255, 0.88);
            font-size: 0.8rem;
            font-weight: 600;
        }

        .metric-chip .pulse {
            width: 0.55rem;
            height: 0.55rem;
            border-radius: 999px;
            background: var(--demo-green);
            animation: pulse-dot 2s ease-in-out infinite;
        }

        .zoom-panel {
            position: relative;
            z-index: 1;
            margin-top: auto;
            padding-top: 1.55rem;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }

        .broadcast-summary {
            margin-top: 0.95rem;
            max-width: 30rem;
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.95rem;
            line-height: 1.85;
        }

        .zoom-panel-head {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            flex-wrap: wrap;
        }

        .zoom-chip {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 4.5rem;
            padding: 0.58rem 0.95rem;
            border-radius: 999px;
            background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
            box-shadow: 0 14px 32px rgba(37, 99, 235, 0.32);
            color: #ffffff;
            font-size: 0.78rem;
            font-weight: 800;
            letter-spacing: 0.18em;
        }

        .zoom-title {
            color: rgba(255, 255, 255, 0.96);
            font-size: 1rem;
            font-weight: 700;
            line-height: 1.4;
        }

        .zoom-book-btn {
            width: 100%;
            margin-top: 0.95rem;
            border: none;
            border-radius: 1rem;
            padding: 0.95rem 1rem;
            font-size: 0.88rem;
            font-weight: 700;
            line-height: 1.3;
            cursor: pointer;
        }

        .zoom-url {
            margin-top: 0.7rem;
            color: rgba(255, 255, 255, 0.46);
            font-size: 0.7rem;
            line-height: 1.5;
            word-break: break-all;
        }

        .content-strip {
            padding-top: 1rem;
            padding-bottom: var(--section-space);
        }

        .strip-card {
            border-radius: 1.75rem;
            overflow: hidden;
        }

        .ticker-gradient {
            position: absolute;
            top: 0;
            bottom: 0;
            width: 4rem;
            z-index: 1;
            pointer-events: none;
        }

        .ticker-gradient.left {
            left: 0;
            background: linear-gradient(90deg, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0));
        }

        .ticker-gradient.right {
            right: 0;
            background: linear-gradient(270deg, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0));
        }

        .ticker-list {
            display: flex;
            width: max-content;
        }

        .ticker-item {
            display: inline-flex;
            align-items: center;
            gap: 0.55rem;
            margin-right: 2rem;
            color: #334155;
            font-size: 0.875rem;
            font-weight: 600;
            min-width: 0;
            text-decoration: none;
        }

        .ticker-item:hover .ticker-question {
            color: #0f172a;
        }

        .ticker-item .market {
            color: #0f172a;
        }

        .ticker-item .up {
            color: var(--demo-green);
        }

        .ticker-item .down {
            color: #b91c1c;
        }

        .ticker-category {
            display: inline-flex;
            align-items: center;
            padding: 0.26rem 0.7rem;
            border-radius: 999px;
            background: rgba(15, 23, 42, 0.06);
            color: #0f172a;
            font-size: 0.72rem;
            font-weight: 800;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            flex-shrink: 0;
        }

        .ticker-question {
            display: inline-block;
            max-width: min(34rem, 58vw);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            color: #334155;
        }

        .ticker-value {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            flex-shrink: 0;
            font-variant-numeric: tabular-nums;
        }

        .content-section {
            padding-top: 0;
            padding-bottom: var(--section-space);
        }

        @media (min-width: 1024px) {
            .content-section {
                padding-bottom: var(--section-space-lg);
            }
        }

        .content-frame {
            width: 100%;
        }

        @media (min-width: 1024px) {
            .content-frame {
                display: grid;
                grid-template-columns: minmax(0, 1fr) 20rem;
                align-items: start;
                gap: 1.5rem;
            }
        }

        .content-main {
            min-width: 0;
        }

        .content-sidebar {
            min-width: 0;
            margin-top: var(--section-space);
        }

        @media (min-width: 1024px) {
            .content-sidebar {
                margin-top: 0;
            }
        }

        .content-block {
            padding: 1.35rem;
            border-radius: 2rem;
            margin-bottom: var(--module-space);
        }

        @media (min-width: 768px) {
            .content-block {
                padding: 1.6rem;
            }
        }

        .block-title-row {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            margin-bottom: 1rem;
        }

        .block-title-row::after {
            content: "";
            flex: 1;
            height: 1px;
            background: rgba(148, 163, 184, 0.22);
        }

        .block-label {
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.15em;
            text-transform: uppercase;
            color: var(--demo-green);
        }

        .block-badge {
            display: inline-flex;
            align-items: center;
            padding: 0.2rem 0.55rem;
            border-radius: 999px;
            background: var(--demo-green-soft);
            color: var(--demo-green);
            font-size: 0.65rem;
            font-weight: 700;
            letter-spacing: 0.04em;
        }

        .teacher-filters {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 0.65rem;
            margin-bottom: 1rem;
        }

        @media (min-width: 768px) {
            .teacher-filters {
                grid-template-columns: repeat(4, minmax(0, 1fr));
            }
        }

        @media (min-width: 1280px) {
            .teacher-filters {
                grid-template-columns: repeat(8, minmax(0, 1fr));
            }
        }

        .teacher-filter {
            position: relative;
            width: 100%;
            min-width: 0;
            border-radius: 1rem;
            padding: 0.8rem 0.55rem;
            background: rgba(255, 255, 255, 0.55);
            border: 1px solid rgba(255, 255, 255, 0.55);
            cursor: pointer;
            transition: all 0.25s ease;
            text-align: center;
        }

        .teacher-filter:hover,
        .teacher-filter.is-selected {
            transform: translateY(-2px);
            background: rgba(255, 255, 255, 0.82);
            border-color: rgba(0, 209, 102, 0.35);
            box-shadow: 0 18px 35px rgba(15, 23, 42, 0.08);
        }

        .teacher-filter.is-selected {
            background: linear-gradient(135deg, var(--demo-green) 0%, var(--demo-green-dark) 100%);
            border-color: rgba(0, 184, 89, 0.9);
            box-shadow: 0 18px 35px var(--demo-green-shadow);
        }

        .teacher-filter.is-selected .teacher-filter-name,
        .teacher-filter.is-selected .teacher-filter-role {
            color: #ffffff;
        }

        .teacher-filter-copy {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 0.1rem;
        }

        .teacher-filter-name {
            font-size: 0.82rem;
            font-weight: 700;
            color: #0f172a;
            line-height: 1.2;
            white-space: nowrap;
        }

        .teacher-filter-role {
            font-size: 0.64rem;
            font-weight: 600;
            color: #64748b;
            line-height: 1.1;
        }

        .rail-arrow,
        .mentor-carousel-btn {
            width: 2.8rem;
            height: 2.8rem;
            flex-shrink: 0;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.65);
            background: rgba(255, 255, 255, 0.82);
            color: #0f172a;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s ease;
            box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
        }

        .rail-arrow:hover,
        .mentor-carousel-btn:hover {
            background: rgba(255, 255, 255, 0.96);
            transform: translateY(-2px);
        }

        .teacher-tag {
            display: inline-flex;
            align-items: center;
            padding: 0.2rem 0.55rem;
            border-radius: 999px;
            font-size: 0.68rem;
            font-weight: 700;
        }

        .article-author {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            min-width: 0;
        }

        .article-author-avatar {
            width: 1.9rem;
            height: 1.9rem;
            border-radius: 999px;
            overflow: hidden;
            flex-shrink: 0;
        }

        .article-author-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .article-author-text {
            min-width: 0;
        }

        .article-author-name {
            font-size: 0.8rem;
            font-weight: 700;
            color: #0f172a;
            line-height: 1.1;
        }

        .article-author-role {
            font-size: 0.68rem;
            font-weight: 600;
            color: #64748b;
            line-height: 1.1;
            margin-top: 0.15rem;
        }

        .article-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .article-card {
            display: flex;
            gap: 1rem;
            align-items: stretch;
            min-height: 168px;
            padding: 1rem 1.05rem;
            border-radius: 1.75rem;
            background: rgba(255, 255, 255, 0.52);
            border: 1px solid rgba(255, 255, 255, 0.55);
            transition: all 0.25s ease;
            text-decoration: none;
        }

        .article-card:hover {
            background: rgba(255, 255, 255, 0.82);
            transform: translateY(-2px);
        }

        .article-thumb {
            width: 132px;
            min-width: 132px;
            aspect-ratio: 1 / 1;
            height: auto;
            align-self: flex-start;
            border-radius: 1.25rem;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            background: linear-gradient(135deg, rgba(0, 209, 102, 0.16), rgba(0, 209, 102, 0.05));
            color: white;
        }

        .article-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .metric-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-top: 0.75rem;
        }

        .article-meta {
            font-size: 0.75rem;
            font-weight: 600;
            color: rgb(71 85 105 / 0.7);
            margin-bottom: 0.4rem;
        }

        .article-title {
            display: block;
            font-size: 1.05rem;
            font-weight: 700;
            line-height: 1.45;
            color: rgb(15 23 42);
        }

        .article-excerpt {
            margin-top: 0.5rem;
            color: rgb(71 85 105);
            font-size: 0.925rem;
            line-height: 1.65;
            display: -webkit-box;
            -webkit-box-orient: vertical;
            -webkit-line-clamp: 3;
            overflow: hidden;
        }

        @media (max-width: 640px) {
            .article-card {
                min-height: auto;
            }

            .article-thumb {
                width: 108px;
                min-width: 108px;
            }

            .article-title {
                font-size: 1rem;
            }

            .article-excerpt {
                font-size: 0.875rem;
                line-height: 1.55;
            }
        }

        .metric-tag {
            display: inline-flex;
            align-items: center;
            padding: 0.28rem 0.7rem;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.72);
            border: 1px solid rgba(148, 163, 184, 0.18);
            font-size: 0.72rem;
            font-weight: 600;
            color: #475569;
        }

        .metric-tag.is-up {
            color: var(--demo-green);
            background: rgba(0, 209, 102, 0.1);
            border-color: rgba(0, 209, 102, 0.14);
        }

        .metric-tag.is-down {
            color: #b91c1c;
            background: rgba(239, 68, 68, 0.08);
            border-color: rgba(239, 68, 68, 0.12);
        }

        .sidebar-panel {
            padding: 1.1rem;
            border-radius: 1.75rem;
            margin-bottom: var(--module-space);
        }

        .countdown-card {
            border-radius: 1.6rem;
            overflow: hidden;
            background: rgba(255, 255, 255, 0.82);
            border: 1px solid rgba(255, 255, 255, 0.7);
            box-shadow: 0 18px 38px rgba(15, 23, 42, 0.08);
        }

        .countdown-media {
            position: relative;
            aspect-ratio: 16 / 10;
            background:
                linear-gradient(180deg, rgba(2, 6, 23, 0.05) 0%, rgba(2, 6, 23, 0.58) 100%),
                url("../img/slider/02.jpg") center / cover no-repeat;
        }

        .countdown-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.08) 0%, rgba(15, 23, 42, 0.6) 100%);
        }

        .countdown-body {
            position: relative;
            padding: 1rem;
            color: white;
            background: linear-gradient(160deg, var(--demo-green) 0%, var(--demo-green-dark) 58%, #00994a 100%);
        }

        .countdown-body::before {
            content: "";
            position: absolute;
            inset: -30% auto auto -18%;
            width: 9rem;
            height: 9rem;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.16);
            filter: blur(28px);
            pointer-events: none;
        }

        .countdown-grid {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 0.55rem;
            margin-top: 0.85rem;
            margin-bottom: 0.85rem;
        }

        .countdown-box {
            border-radius: 1rem;
            padding: 0.7rem 0.4rem;
            background: rgba(255, 255, 255, 0.18);
            text-align: center;
            backdrop-filter: blur(8px);
        }

        .challenge-sidebar-metric {
            margin-top: 1rem;
            border-radius: 1.15rem;
            padding: 0.95rem 1rem 1rem;
            background: rgba(255, 255, 255, 0.16);
            backdrop-filter: blur(10px);
        }

        .challenge-sidebar-metric-label {
            font-size: 0.72rem;
            font-weight: 800;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: rgba(255, 255, 255, 0.74);
        }

        .challenge-sidebar-metric-ticker {
            margin-top: 0.35rem;
            overflow: hidden;
            width: 100%;
        }

        .challenge-sidebar-metric-track {
            display: block;
        }

        .challenge-sidebar-metric-value {
            display: inline-block;
            font-size: clamp(2.2rem, 5vw, 2.9rem);
            font-weight: 900;
            line-height: 1;
            color: white;
            font-variant-numeric: tabular-nums;
        }

        .challenge-sidebar-metric-copy {
            margin-top: 0.55rem;
            font-size: 0.84rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.8);
        }

        .mini-article {
            display: block;
            padding: 0.9rem 0.95rem;
            border-radius: 1.25rem;
            background: rgba(255, 255, 255, 0.56);
            border: 1px solid rgba(255, 255, 255, 0.5);
            transition: all 0.2s ease;
        }

        .mini-article:hover {
            background: rgba(255, 255, 255, 0.82);
            transform: translateY(-2px);
        }

        .product-item,
        .city-item,
        .social-link {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 0.85rem 0.9rem;
            border-radius: 1.2rem;
            background: rgba(255, 255, 255, 0.5);
            border: 1px solid rgba(255, 255, 255, 0.55);
        }

        .product-item + .product-item,
        .city-item + .city-item {
            margin-top: 0.7rem;
        }

        .product-icon,
        .social-icon {
            width: 2.3rem;
            height: 2.3rem;
            border-radius: 0.95rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            background: var(--demo-green-soft);
            color: var(--demo-green);
            font-size: 1.05rem;
            font-weight: 700;
        }

        .social-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 0.7rem;
        }

        @media (min-width: 768px) {
            .social-grid {
                grid-template-columns: repeat(4, minmax(0, 1fr));
            }
        }

        @media (min-width: 1280px) {
            .social-grid {
                grid-template-columns: repeat(8, minmax(0, 1fr));
            }
        }

        .social-link {
            text-decoration: none;
            color: #0f172a;
            transition: all 0.2s ease;
        }

        .social-link:hover {
            background: rgba(255, 255, 255, 0.82);
            transform: translateY(-2px);
        }

        .social-link img {
            width: 1rem;
            height: 1rem;
            object-fit: contain;
            filter: none;
        }

        .social-band {
            padding-top: 0;
            padding-bottom: var(--section-space);
        }

        @media (min-width: 1024px) {
            .social-band {
                padding-bottom: var(--section-space-lg);
            }
        }

        .cta-panel {
            position: relative;
            overflow: hidden;
            border-radius: 2.75rem;
            padding: 2rem 1.5rem;
            text-align: center;
        }

        @media (min-width: 768px) {
            .cta-panel {
                padding: 3.25rem 2rem;
            }
        }

        .cta-panel::before,
        .cta-panel::after {
            content: "";
            position: absolute;
            border-radius: 999px;
            filter: blur(48px);
            pointer-events: none;
        }

        .cta-panel::before {
            width: 14rem;
            height: 14rem;
            left: -3rem;
            top: -3rem;
            background: rgba(0, 209, 102, 0.16);
        }

        .cta-panel::after {
            width: 15rem;
            height: 15rem;
            right: -3rem;
            bottom: -4rem;
            background: rgba(14, 165, 233, 0.16);
        }

        .stage-cta {
            position: relative;
            isolation: isolate;
            overflow: visible;
            padding-top: 1rem;
        }

        .home-cta {
            padding-top: 2rem;
            padding-bottom: 3.25rem;
        }

        @media (min-width: 1024px) {
            .stage-cta {
                padding-top: 1.35rem;
            }

            .home-cta {
                padding-top: 2.5rem;
                padding-bottom: 4.5rem;
            }
        }

        .section-bg-icons {
            position: absolute;
            inset: 0;
            z-index: 1;
            pointer-events: none;
        }

        .section-bg-icon {
            position: absolute;
            width: var(--size, 84px);
            height: auto;
            opacity: 0.38;
            filter: drop-shadow(0 10px 24px rgba(15, 23, 42, 0.2));
            mix-blend-mode: screen;
            animation: sectionIconFloat var(--duration, 8.8s) ease-in-out infinite;
            animation-delay: var(--delay, 0s);
            will-change: transform, opacity;
        }

        @keyframes sectionIconFloat {
            0%, 100% {
                transform: translate3d(0, 0, 0) rotate(var(--rot-start, -4deg));
            }
            50% {
                transform: translate3d(var(--drift-x, 8px), var(--drift-y, -12px), 0) rotate(var(--rot-end, 4deg));
            }
        }

        .stage-cta .section-bg-icon.icon-a { top: 44%; left: -3%; --size: 114px; --duration: 8.9s; --delay: -0.8s; --drift-x: 7px; --drift-y: -8px; --rot-start: -3deg; --rot-end: 3deg; }
        .stage-cta .section-bg-icon.icon-b { top: -20%; left: 34%; --size: 138px; --duration: 8.6s; --delay: -1.1s; --drift-x: 7px; --drift-y: -10px; --rot-start: -4deg; --rot-end: 4deg; }
        .stage-cta .section-bg-icon.icon-c { top: 0; left: 80%; --size: 126px; --duration: 9.4s; --delay: -2.4s; --drift-x: -8px; --drift-y: -12px; --rot-start: 4deg; --rot-end: -4deg; }
        .stage-cta .section-bg-icon.icon-d { top: 68%; left: 84%; --size: 168px; --duration: 10.1s; --delay: -2.6s; --drift-x: -7px; --drift-y: -9px; --rot-start: 4deg; --rot-end: -3deg; }

        .analyst-showcase {
            padding-top: 0;
            padding-bottom: var(--section-space);
        }

        .analyst-showcase .demo-shell {
            max-width: 1380px;
        }

        @media (min-width: 1024px) {
            .analyst-showcase {
                padding-bottom: var(--section-space-lg);
            }
        }

        .analyst-showcase-head {
            margin-bottom: 1.25rem;
        }

        .mentor-carousel {
            position: relative;
            padding: 1.25rem 3.75rem;
        }

        .mentor-carousel-inner {
            overflow: hidden;
            padding: 18px 8px 22px;
            margin: -18px -8px -22px;
        }

        .mentor-track {
            display: flex;
            gap: 1.5rem;
            transition: transform 0.45s ease;
            will-change: transform;
        }

        .mentor-slide {
            flex: 0 0 calc(33.333% - 1rem);
            min-width: calc(33.333% - 1rem);
        }

        .mentor-slide-card {
            height: 100%;
            border-radius: 2rem;
            padding: 1.25rem;
            text-align: center;
            background: rgba(255, 255, 255, 0.56);
            border: 1px solid rgba(255, 255, 255, 0.62);
            transition: all 0.25s ease;
        }

        .mentor-slide-card:hover {
            background: rgba(255, 255, 255, 0.84);
            transform: translateY(-3px);
        }

        .mentor-carousel-btn {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            z-index: 5;
        }

        .mentor-carousel-btn.prev {
            left: 0;
        }

        .mentor-carousel-btn.next {
            right: 0;
        }

        .mentor-tag-row {
            margin-top: 0.7rem;
            display: flex;
            flex-wrap: nowrap;
            gap: 0.45rem;
            overflow-x: auto;
            overflow-y: hidden;
            white-space: nowrap;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .mentor-tag-row::-webkit-scrollbar {
            display: none;
        }

        .mentor-tag-pill {
            flex: 0 0 auto;
            display: inline-flex;
            align-items: center;
            border-radius: 999px;
            border: 1px solid rgba(0, 209, 102, 0.22);
            background: rgba(0, 209, 102, 0.12);
            padding: 0.22rem 0.58rem;
            font-size: 0.68rem;
            font-weight: 700;
            color: #047857;
            line-height: 1;
        }

        .mentor-description {
            margin-top: 0.7rem;
            color: #64748b;
            font-size: 0.9rem;
            line-height: 1.65;
        }

        @media (max-width: 1024px) {
            .mentor-slide {
                flex: 0 0 calc(50% - 0.75rem);
                min-width: calc(50% - 0.75rem);
            }
        }

        @media (max-width: 640px) {
            .mentor-carousel {
                padding: 1rem 0 0;
            }

            .mentor-slide {
                flex: 0 0 100%;
                min-width: 100%;
            }

            .mentor-carousel-btn {
                display: none;
            }
        }

        @media (max-width: 640px) {
            .section-bg-icons {
                display: none;
            }
        }