/* ===== ROOT (DARK — DEFAULT) ===== */
        :root {
            --blue: #165DFF;
            --cyan: #0FC6C2;
            --grad: linear-gradient(135deg, #165DFF 0%, #0FC6C2 100%);
            --bg: #0a0e1a;
            --bg-2: #0d1326;
            --surface: #121a30;
            --surface-2: #16203a;
            --surface-soft: rgba(255, 255, 255, .04);
            --border: rgba(255, 255, 255, .08);
            --border-strong: rgba(255, 255, 255, .14);
            --text: #F2F3F5;
            --text-2: #8A93A6;
            --text-3: #5a6478;
            --up: #3DD68C;
            --down: #F76560;
            --star: #f5b342;
            --nav-bg: rgba(10, 14, 26, .72);
            --featured-grad: linear-gradient(160deg, #16203a, #0d1326);
            --hero-stat-bg: rgba(255, 255, 255, .04);
            --btn-ghost-bg: rgba(255, 255, 255, .04);
            --btn-ghost-bg-hover: rgba(255, 255, 255, .08);
            --grid-line: rgba(255, 255, 255, .025);
            --ghost-filter: drop-shadow(0 0 30px rgba(15, 198, 194, .45)) drop-shadow(0 0 60px rgba(22, 93, 255, .3));
            --ex-logo-filter: brightness(0) invert(1);
            --ex-logo-opacity: 1;
            --glow-blue: 0 0 50px rgba(22, 93, 255, .35);
            --glow-cyan: 0 0 50px rgba(15, 198, 194, .30);
            --shadow-card: 0 20px 60px rgba(0, 0, 0, .3);
            --shadow-trader: 0 16px 48px rgba(0, 0, 0, .35);
            --radius: 18px;
            --radius-lg: 26px;
            --maxw: 1200px;
            --ease: cubic-bezier(.22, 1, .36, 1);
        }
        /* ===== LIGHT THEME ===== */
        [data-theme="light"] {
            --bg: #f5f7fb;
            --bg-2: #eaeef5;
            --surface: #ffffff;
            --surface-2: #f0f3f9;
            --surface-soft: rgba(0, 0, 0, .035);
            --border: rgba(10, 14, 26, .08);
            --border-strong: rgba(10, 14, 26, .16);
            --text: #0a0e1a;
            --text-2: #5a6478;
            --text-3: #8A93A6;
            --nav-bg: rgba(255, 255, 255, .82);
            --featured-grad: linear-gradient(160deg, #eef3fc, #e3eaf5);
            --hero-stat-bg: rgba(0, 0, 0, .035);
            --btn-ghost-bg: rgba(0, 0, 0, .04);
            --btn-ghost-bg-hover: rgba(0, 0, 0, .08);
            --grid-line: rgba(0, 0, 0, .04);
            --ghost-filter: brightness(0) drop-shadow(0 0 16px rgba(22, 93, 255, .2));
            --ex-logo-filter: brightness(0);
            --ex-logo-opacity: .85;
            --glow-blue: 0 0 40px rgba(22, 93, 255, .2);
            --glow-cyan: 0 0 40px rgba(15, 198, 194, .18);
            --shadow-card: 0 12px 40px rgba(10, 14, 26, .08);
            --shadow-trader: 0 10px 30px rgba(10, 14, 26, .08);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background: var(--bg);
            color: var(--text);
            font-family: "Inter", "Noto Sans SC", -apple-system, BlinkMacSystemFont, sans-serif;
            -webkit-font-smoothing: antialiased;
            line-height: 1.5;
            overflow-x: hidden;
            transition: background-color .35s var(--ease), color .35s var(--ease);
        }
        ::selection {
            background: rgba(22, 93, 255, .4);
            color: #fff;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        .wrap {
            max-width: var(--maxw);
            margin: 0 auto;
            padding: 0 28px;
        }
        .grad-text {
            background: var(--grad);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 22px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 14px;
            cursor: pointer;
            border: 1px solid transparent;
            transition: all .25s var(--ease);
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--grad);
            color: #fff;
            box-shadow: var(--glow-blue);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 60px rgba(22, 93, 255, .5);
        }
        .btn-ghost {
            background: var(--btn-ghost-bg);
            border-color: var(--border-strong);
            color: var(--text);
        }
        .btn-ghost:hover {
            background: var(--btn-ghost-bg-hover);
            border-color: var(--text-3);
        }

        /* ===== REVEAL ===== */
        .reveal {
            opacity: 0;
            transform: translateY(28px);
            transition: opacity .7s var(--ease), transform .7s var(--ease);
        }
        .reveal.in {
            opacity: 1;
            transform: none;
        }

        /* ===== NAV ===== */
        nav {
            position: sticky;
            top: 0;
            z-index: 50;
            backdrop-filter: blur(14px);
            background: var(--nav-bg);
            border-bottom: 1px solid var(--border);
            transition: background-color .35s var(--ease), border-color .35s var(--ease);
        }
        .nav-in {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -.5px;
        }
        .brand-mark {
            width: 30px;
            height: 30px;
            object-fit: contain;
            filter: var(--ghost-filter);
            transition: filter .35s var(--ease);
        }
        .brand-name {
            font-family: "Manrope", sans-serif;
            font-weight: 800;
            letter-spacing: -.5px;
        }
        .nav-links {
            display: flex;
            gap: 30px;
            font-size: 14px;
            color: var(--text-2);
            font-weight: 500;
        }
        .nav-links a {
            white-space: nowrap;
            transition: color .2s;
        }
        .nav-links a:hover {
            color: var(--text);
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        /* ===== SWITCHERS (THEME + LANG) ===== */
        .switchers {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .icon-btn {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--btn-ghost-bg);
            border: 1px solid var(--border-strong);
            color: var(--text);
            display: grid;
            place-items: center;
            cursor: pointer;
            font-size: 16px;
            transition: background-color .25s var(--ease), border-color .25s, transform .25s;
        }
        .icon-btn:hover {
            background: var(--btn-ghost-bg-hover);
            border-color: var(--text-3);
            transform: rotate(15deg);
        }
        .lang-switch {
            display: flex;
            border: 1px solid var(--border-strong);
            border-radius: 999px;
            overflow: hidden;
            background: var(--btn-ghost-bg);
        }
        .lang-switch a,
        .lang-switch button {
            background: transparent;
            border: none;
            color: var(--text-2);
            padding: 7px 11px;
            font-size: 12px;
            font-weight: 700;
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            line-height: 1.2;
            transition: background-color .25s var(--ease), color .25s;
            font-family: inherit;
        }
        .lang-switch .active {
            background: var(--grad);
            color: #fff;
        }
        .lang-switch a:hover:not(.active),
        .lang-switch button:hover:not(.active) {
            color: var(--text);
        }

        /* ===== TABLET/NAV BREAKPOINT (before phone block) ===== */
        /* 英文导航词较长：≤900px 时桌面导航链接受阻，提前收起为汉堡，避免平板竖屏(768~834)横向溢出 */
        @media(max-width:900px) {
            .nav-links { display: none; }
            .nav-toggle { display: inline-flex; }
        }

        /* ===== HERO ===== */
        .hero {
            position: relative;
            padding: 80px 0 80px;
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }
        .orb {
            position: absolute;
            border-radius: 50%;
            filter: blur(70px);
            opacity: .5;
        }
        .orb-1 {
            width: 620px;
            height: 620px;
            background: radial-gradient(circle, #165DFF, transparent 70%);
            top: -160px;
            left: -120px;
            animation: float1 14s ease-in-out infinite;
        }
        .orb-2 {
            width: 540px;
            height: 540px;
            background: radial-gradient(circle, #0FC6C2, transparent 70%);
            top: 60px;
            right: -140px;
            opacity: .4;
            animation: float2 16s ease-in-out infinite;
        }
        .grid-overlay {
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(var(--grid-line) 1px, transparent 1px),
                linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
            background-size: 54px 54px;
            mask-image: radial-gradient(circle at 50% 40%, #000 0%, transparent 75%);
            transition: background-image .35s;
        }
        @keyframes float1 {
            50% {
                transform: translate(40px, 30px);
            }
        }
        @keyframes float2 {
            50% {
                transform: translate(-30px, 40px);
            }
        }

        .hero-in {
            position: relative;
            z-index: 2;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .ghost-wrap {
            position: relative;
            margin-bottom: 20px;
        }
        .ghost-glow {
            position: absolute;
            inset: -40px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(15, 198, 194, .35), transparent 65%);
            filter: blur(30px);
            z-index: -1;
            animation: pulse 4s ease-in-out infinite;
        }
        @keyframes pulse {
            50% {
                opacity: .55;
                transform: scale(1.06);
            }
        }
        .ghost-img {
            width: 160px;
            height: auto;
            display: block;
            filter: var(--ghost-filter);
            animation: bob 6s ease-in-out infinite;
            transition: filter .35s var(--ease);
        }
        @keyframes bob {
            50% {
                transform: translateY(-14px);
            }
        }

        .hero h1 {
            font-family: "Manrope", sans-serif;
            font-weight: 800;
            font-size: clamp(48px, 8vw, 110px);
            line-height: .95;
            letter-spacing: -3px;
            margin-bottom: 10px;
        }
        .hero h1 .grad-text {
            display: inline-block;
        }
        .hero .tagline {
            font-size: clamp(18px, 2.6vw, 24px);
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
            letter-spacing: .3px;
        }
        .hero .tagline-cn {
            color: var(--text-2);
            font-size: 14px;
            letter-spacing: 4px;
            margin-bottom: 24px;
        }
        .hero .sub-desc {
            font-size: 15px;
            color: var(--text-2);
            max-width: 560px;
            line-height: 1.8;
            margin-bottom: 28px;
        }
        .hero-cta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
        }

        /* ===== TICKER ===== */
        .ticker {
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            background: var(--bg-2);
            overflow: hidden;
            padding: 12px 0;
            transition: background-color .35s, border-color .35s;
        }
        .ticker-track {
            display: flex;
            gap: 48px;
            width: max-content;
            animation: scroll 28s linear infinite;
            will-change: transform;
            transform: translate3d(0, 0, 0);
            backface-visibility: hidden;
        }
        .ticker:hover .ticker-track {
            animation-play-state: paused;
        }
        @keyframes scroll {
            to {
                transform: translate3d(-50%, 0, 0);
            }
        }
        .tk {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-2);
            white-space: nowrap;
        }
        .tk b {
            color: var(--text);
            font-weight: 700;
        }
        .tk .px {
            color: var(--text);
            font-weight: 700;
            font-variant-numeric: tabular-nums;
        }
        .tk .up {
            color: var(--up);
        }
        .tk .down {
            color: var(--down);
        }

        /* ===== SECTION SHELL ===== */
        section {
            padding: 90px 0;
            position: relative;
            transition: background-color .35s var(--ease);
        }
        .sec-head {
            max-width: 720px;
            margin-bottom: 44px;
        }
        .sec-head h2 {
            font-family: "Manrope", sans-serif;
            font-weight: 800;
            font-size: clamp(32px, 4.8vw, 48px);
            letter-spacing: -1.5px;
            margin: 12px 0 12px;
            line-height: 1.05;
        }
        .sec-head p {
            color: var(--text-2);
            font-size: 16px;
            line-height: 1.7;
        }
        .sec-head .sec-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 2px;
            padding: 4px 14px;
            border-radius: 999px;
            background: rgba(15, 198, 194, .14);
            color: var(--cyan);
            border: 1px solid rgba(15, 198, 194, .3);
            margin-bottom: 10px;
        }

        /* ===== PRODUCTS ===== */
        .prod-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .prod-card {
            background: linear-gradient(160deg, var(--surface), var(--bg-2));
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 30px;
            transition: transform .3s var(--ease), border-color .3s, box-shadow .3s, background-color .35s;
            position: relative;
            overflow: hidden;
        }
        .prod-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--grad);
            opacity: 0;
            transition: opacity .3s;
        }
        .prod-card:hover {
            transform: translateY(-6px);
            border-color: var(--border-strong);
            box-shadow: var(--shadow-card);
        }
        .prod-card:hover::before {
            opacity: 1;
        }
        .prod-card .p-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            display: grid;
            place-items: center;
            font-size: 24px;
            margin-bottom: 16px;
        }
        .prod-card .p-icon.cyan {
            background: rgba(15, 198, 194, .16);
            color: var(--cyan);
        }
        .prod-card .p-icon.blue {
            background: rgba(22, 93, 255, .16);
            color: #7aa2ff;
        }
        .prod-card h3 {
            font-family: "Manrope", sans-serif;
            font-weight: 800;
            font-size: 22px;
            margin-bottom: 6px;
        }
        .prod-card .p-tag {
            font-size: 10px;
            font-weight: 700;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--cyan);
            margin-bottom: 8px;
            display: block;
        }
        .prod-card .p-tag.blue-tag {
            color: #7aa2ff;
        }
        .prod-card p {
            color: var(--text-2);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .prod-card ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 6px;
            margin-bottom: 18px;
        }
        .prod-card ul li {
            font-size: 13px;
            color: var(--text-2);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .prod-card ul li::before {
            content: "✓";
            color: var(--cyan);
            font-weight: 800;
            font-size: 14px;
        }
        .prod-card .p-cta .btn {
            font-size: 13px;
            padding: 8px 18px;
        }

        /* ===== WHY DODOBE ===== */
        .why-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .why-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 26px;
            transition: transform .3s var(--ease), border-color .3s, background-color .35s;
        }
        .why-item:hover {
            transform: translateY(-4px);
            border-color: var(--border-strong);
        }
        .why-item .w-num {
            font-family: "Manrope", sans-serif;
            font-weight: 800;
            font-size: 13px;
            color: var(--cyan);
            letter-spacing: 1px;
            margin-bottom: 12px;
        }
        .why-item .w-icon {
            font-size: 28px;
            margin-bottom: 10px;
            display: block;
        }
        .why-item h4 {
            font-family: "Manrope", sans-serif;
            font-weight: 800;
            font-size: 17px;
            margin-bottom: 6px;
        }
        .why-item p {
            color: var(--text-2);
            font-size: 13px;
            line-height: 1.7;
        }

        /* ===== HOW IT WORKS ===== */
        .how-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .how-step {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            text-align: center;
            transition: transform .3s var(--ease), border-color .3s, background-color .35s;
            position: relative;
        }
        .how-step:hover {
            transform: translateY(-4px);
            border-color: var(--border-strong);
        }
        .how-step .step-num {
            font-family: "Manrope", sans-serif;
            font-weight: 800;
            font-size: 38px;
            background: var(--grad);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            line-height: 1;
            margin-bottom: 8px;
        }
        .how-step .step-icon {
            font-size: 28px;
            margin-bottom: 8px;
            display: block;
        }
        .how-step h4 {
            font-family: "Manrope", sans-serif;
            font-weight: 800;
            font-size: 15px;
            margin-bottom: 4px;
        }
        .how-step p {
            color: var(--text-2);
            font-size: 12.5px;
            line-height: 1.6;
        }

        /* ===== EXCHANGES ===== */
        .exchanges {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .ex {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 14px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 18px;
            padding: 26px 16px;
            text-align: center;
            transition: border-color .3s, transform .3s, box-shadow .3s var(--ease), background-color .35s;
        }
        .ex:hover {
            border-color: var(--border-strong);
            transform: translateY(-4px);
            box-shadow: var(--glow-cyan);
        }
        .ex .chip {
            width: 100%;
            height: 56px;
            border-radius: 14px;
            display: grid;
            place-items: center;
            padding: 0 16px;
        }
        .ex .chip img {
            height: 26px;
            width: auto;
            filter: var(--ex-logo-filter);
            opacity: var(--ex-logo-opacity);
            transition: transform .3s var(--ease), filter .35s, opacity .35s;
        }
        .ex:hover .chip img {
            transform: scale(1.08);
        }
        .ex-name {
            font-family: "Manrope", sans-serif;
            font-weight: 800;
            font-size: 16px;
            color: var(--text);
            letter-spacing: .3px;
        }
        .ex .ex-sub {
            font-family: "Inter", sans-serif;
            font-weight: 500;
            font-size: 11px;
            color: var(--text-2);
            letter-spacing: 0;
        }

        /* ===== TRADER WALL ===== */
        .trader-wall {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .trader-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px 18px 22px;
            text-align: center;
            transition: transform .35s var(--ease), border-color .35s, box-shadow .35s, background-color .35s;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .trader-card:hover {
            transform: translateY(-8px);
            border-color: rgba(15, 198, 194, .4);
            box-shadow: var(--shadow-trader), 0 0 32px rgba(15, 198, 194, .06);
        }
        .trader-card .t-avatar {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            object-fit: cover;
            display: block;
            margin-bottom: 14px;
            border: 2px solid var(--border);
            transition: border-color .35s, box-shadow .35s;
        }
        .trader-card:hover .t-avatar {
            border-color: rgba(15, 198, 194, .5);
            box-shadow: 0 0 30px rgba(15, 198, 194, .15);
        }
        .trader-card .t-name {
            font-family: "Manrope", sans-serif;
            font-weight: 800;
            font-size: 17px;
            color: var(--text);
            margin-bottom: 2px;
            letter-spacing: -.3px;
        }
        .trader-card .t-sub {
            font-size: 12.5px;
            color: var(--text-2);
        }
        .trader-card .t-badge {
            display: inline-block;
            font-size: 9.5px;
            font-weight: 700;
            letter-spacing: 1px;
            padding: 2px 12px;
            border-radius: 999px;
            background: rgba(15, 198, 194, .12);
            color: var(--cyan);
            border: 1px solid rgba(15, 198, 194, .2);
            margin-top: 8px;
        }
        .trader-card.featured {
            border-color: rgba(15, 198, 194, .25);
            background: var(--featured-grad);
        }
        .trader-card.featured .t-avatar {
            border-color: rgba(15, 198, 194, .4);
            box-shadow: 0 0 24px rgba(15, 198, 194, .12);
        }
        .trader-card.featured .t-name {
            color: var(--cyan);
        }
        .trader-card.featured .t-badge {
            background: rgba(15, 198, 194, .18);
            border-color: rgba(15, 198, 194, .35);
        }

        /* ===== LIVE LEADERBOARD ===== */
        .live-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 11px;
            font-weight: 800;
            letter-spacing: 1.5px;
            color: var(--up);
            padding: 5px 12px;
            border-radius: 999px;
            background: rgba(61, 214, 140, .12);
            border: 1px solid rgba(61, 214, 140, .3);
            margin-bottom: 10px;
        }
        .live-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--up);
            animation: livedot 1.6s ease-out infinite;
        }
        @keyframes livedot {
            0% { box-shadow: 0 0 0 0 rgba(61, 214, 140, .55); }
            70% { box-shadow: 0 0 0 7px rgba(61, 214, 140, 0); }
            100% { box-shadow: 0 0 0 0 rgba(61, 214, 140, 0); }
        }
        .lb-board {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .lb-bar {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            gap: 16px;
            padding: 14px 22px;
            border-bottom: 1px solid var(--border);
            background: var(--bg-2);
        }
        .lb-updated {
            font-size: 12px;
            color: var(--text-2);
        }
        .lb-updated b {
            color: var(--text);
            font-variant-numeric: tabular-nums;
            font-weight: 700;
        }
        .lb-scroll {
            overflow-x: auto;
        }
        .lb-table {
            min-width: 760px;
        }
        .lb-row {
            display: grid;
            grid-template-columns: 56px 1.9fr 1fr 1fr 1fr 1fr 96px;
            align-items: center;
            gap: 12px;
            padding: 14px 22px;
            border-bottom: 1px solid var(--grid-line);
            transition: background-color .25s;
        }
        .lb-row.head {
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            color: var(--text-3);
            padding: 12px 22px;
            position: sticky;
            top: 0;
            background: var(--surface);
            z-index: 1;
        }
        .lb-row.data:hover {
            background: var(--surface-soft);
        }
        .lb-rank {
            font-family: "Manrope", sans-serif;
            font-weight: 800;
            font-size: 16px;
            color: var(--text-2);
        }
        .lb-row[data-top="1"] .lb-rank,
        .lb-row[data-top="2"] .lb-rank,
        .lb-row[data-top="3"] .lb-rank {
            color: var(--cyan);
        }
        .lb-trader {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .lb-trader img {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            object-fit: cover;
            border: 1px solid var(--border);
            flex: none;
        }
        .lb-tname {
            font-family: "Manrope", sans-serif;
            font-weight: 800;
            font-size: 14px;
            color: var(--text);
            line-height: 1.2;
        }
        .lb-tsub {
            font-size: 11px;
            color: var(--text-2);
        }
        .lb-num {
            font-family: "Inter", sans-serif;
            font-weight: 700;
            font-size: 14px;
            font-variant-numeric: tabular-nums;
        }
        .lb-num.up { color: var(--up); }
        .lb-num.down { color: var(--down); }
        .lb-flash { animation: flashUp .9s ease; }
        .lb-flash-down { animation: flashDn .9s ease; }
        @keyframes flashUp {
            0% { background: rgba(61, 214, 140, .20); }
            100% { background: transparent; }
        }
        @keyframes flashDn {
            0% { background: rgba(247, 101, 96, .18); }
            100% { background: transparent; }
        }
        .lb-copy {
            justify-self: end;
        }
        .lb-copy .btn {
            font-size: 12px;
            padding: 7px 16px;
        }

        /* ===== STRATEGY MARKET ===== */
        .sm-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .sm-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px 24px 22px;
            position: relative;
            overflow: hidden;
            transition: transform .3s var(--ease), border-color .3s, box-shadow .3s;
        }
        .sm-card:hover {
            transform: translateY(-6px);
            border-color: var(--border-strong);
            box-shadow: var(--shadow-card);
        }
        .sm-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
        }
        .sm-type {
            font-size: 10px;
            font-weight: 700;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(15, 198, 194, .12);
            color: var(--cyan);
            border: 1px solid rgba(15, 198, 194, .25);
        }
        .sm-type.blue {
            background: rgba(22, 93, 255, .14);
            color: #7aa2ff;
            border-color: rgba(22, 93, 255, .3);
        }
        .sm-type.gold {
            background: rgba(245, 179, 66, .14);
            color: var(--star);
            border-color: rgba(245, 179, 66, .3);
        }
        .sm-name {
            font-family: "Manrope", sans-serif;
            font-weight: 800;
            font-size: 18px;
            color: var(--text);
            margin-bottom: 16px;
        }
        .sm-apy {
            display: flex;
            align-items: baseline;
            gap: 8px;
            margin-bottom: 4px;
        }
        .sm-apy .v {
            font-family: "Manrope", sans-serif;
            font-weight: 800;
            font-size: 34px;
            line-height: 1;
            background: var(--grad);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            font-variant-numeric: tabular-nums;
        }
        .sm-apy .l {
            font-size: 12px;
            color: var(--text-2);
        }
        .sm-metrics {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin: 14px 0 18px;
        }
        .sm-metric {
            background: var(--bg-2);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 10px 12px;
        }
        .sm-metric .ml {
            font-size: 10px;
            color: var(--text-3);
            letter-spacing: .5px;
            margin-bottom: 4px;
        }
        .sm-metric .mv {
            font-family: "Inter", sans-serif;
            font-weight: 700;
            font-size: 14px;
            color: var(--text);
            font-variant-numeric: tabular-nums;
        }
        .sm-dd-bar {
            height: 5px;
            border-radius: 999px;
            background: var(--surface-soft);
            overflow: hidden;
            margin-top: 7px;
        }
        .sm-dd-fill {
            height: 100%;
            border-radius: 999px;
            background: linear-gradient(90deg, #3DD68C, #f5b342, #F76560);
        }
        .sm-foot {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .sm-risk {
            font-size: 11px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 999px;
        }
        .sm-risk.low { color: var(--up); background: rgba(61, 214, 140, .12); }
        .sm-risk.mid { color: var(--star); background: rgba(245, 179, 66, .12); }
        .sm-risk.high { color: var(--down); background: rgba(247, 101, 96, .12); }
        .sm-card .btn {
            font-size: 12px;
            padding: 8px 16px;
        }

        /* ===== TESTIMONIALS ===== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .testimonial {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 26px;
            transition: transform .3s var(--ease), border-color .3s, background-color .35s;
        }
        .testimonial:hover {
            transform: translateY(-4px);
            border-color: var(--border-strong);
        }
        .testimonial .stars {
            color: var(--star);
            font-size: 15px;
            letter-spacing: 2px;
            margin-bottom: 10px;
        }
        .testimonial blockquote {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text);
            margin-bottom: 16px;
            font-style: italic;
        }
        .testimonial .t-author {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .testimonial .t-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--grad);
            display: grid;
            place-items: center;
            font-family: "Manrope", sans-serif;
            font-weight: 800;
            font-size: 16px;
            color: #fff;
            flex: none;
        }
        .testimonial .t-name {
            font-weight: 700;
            font-size: 14px;
        }
        .testimonial .t-role {
            font-size: 12px;
            color: var(--text-2);
        }

        /* ===== PRICING ===== */
        .price-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
            align-items: start;
        }
        .price-card {
            background: linear-gradient(160deg, var(--surface), var(--bg-2));
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            position: relative;
            transition: transform .3s var(--ease), border-color .3s, background-color .35s;
        }
        .price-card:hover {
            transform: translateY(-6px);
            border-color: var(--border-strong);
        }
        .price-card.featured {
            border-color: rgba(15, 198, 194, .4);
            background: var(--featured-grad);
        }
        .price-flag {
            position: absolute;
            top: -13px;
            left: 50%;
            transform: translateX(-50%);
            font-size: 10px;
            font-weight: 800;
            letter-spacing: 1.5px;
            padding: 5px 14px;
            border-radius: 999px;
            background: var(--grad);
            color: #fff;
            white-space: nowrap;
        }
        .price-name {
            font-family: "Manrope", sans-serif;
            font-weight: 800;
            font-size: 15px;
            color: var(--cyan);
            letter-spacing: .5px;
            margin-bottom: 10px;
        }
        .price-amount {
            font-family: "Manrope", sans-serif;
            font-weight: 800;
            font-size: 44px;
            line-height: 1;
            margin-bottom: 20px;
        }
        .price-period {
            font-size: 16px;
            color: var(--text-2);
            font-weight: 600;
            margin-left: 4px;
        }
        .price-feats {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 24px;
        }
        .price-feats li {
            font-size: 13.5px;
            color: var(--text-2);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .price-feats li::before {
            content: "✓";
            color: var(--cyan);
            font-weight: 800;
        }
        .price-card .btn {
            width: 100%;
            justify-content: center;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 840px;
        }
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 20px 24px;
            transition: border-color .3s, background-color .35s;
        }
        .faq-item:hover {
            border-color: var(--border-strong);
        }
        .faq-q {
            font-family: "Manrope", sans-serif;
            font-weight: 800;
            font-size: 15px;
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .faq-q .q {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: var(--grad);
            display: grid;
            place-items: center;
            color: #fff;
            font-size: 14px;
            font-weight: 800;
            flex: none;
        }
        .faq-a {
            font-size: 13.5px;
            color: var(--text-2);
            line-height: 1.7;
            margin-top: 12px;
            padding-left: 40px;
        }

        /* ===== FOOTER ===== */
        .learn-band {
            padding: 96px 0 72px;
            background: var(--bg-2);
            border-top: 1px solid var(--border);
        }
        .lb-secTag {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--brand);
            background: rgba(22,93,255,.12);
            border: 1px solid rgba(22,93,255,.25);
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 16px;
        }
        .learn-band h2 {
            font-size: 30px;
            margin: 0 0 12px;
            letter-spacing: -.5px;
        }
        .lb-p {
            color: var(--text-2);
            max-width: 640px;
            margin: 0 0 30px;
            line-height: 1.7;
        }
        .lb-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .lb-post {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 10px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 18px;
            padding: 26px;
            text-decoration: none;
            color: var(--text);
            transition: transform .25s var(--ease), border-color .25s, box-shadow .25s;
        }
        .lb-post:hover {
            transform: translateY(-4px);
            border-color: rgba(22,93,255,.45);
            box-shadow: 0 20px 50px rgba(0,0,0,.35);
        }
        .lb-post-cat {
            font-size: 12px;
            font-weight: 700;
            color: var(--brand-cyan);
            background: rgba(15,198,194,.12);
            border: 1px solid rgba(15,198,194,.28);
            padding: 4px 12px;
            border-radius: 999px;
        }
        .lb-post h3 {
            font-size: 19px;
            line-height: 1.4;
            margin: 4px 0 0;
            letter-spacing: -.3px;
        }
        .lb-post p {
            color: var(--text-2);
            font-size: 14px;
            line-height: 1.65;
            margin: 0;
        }
        .lb-read {
            margin-top: 6px;
            font-size: 13px;
            font-weight: 700;
            color: var(--brand);
        }
        .lb-more {
            margin-top: 26px;
            display: inline-flex;
        }
        footer {
            border-top: 1px solid var(--border);
            padding: 50px 0 40px;
            background: var(--bg-2);
            transition: background-color .35s, border-color .35s;
        }
        .foot-in {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            gap: 40px;
            flex-wrap: wrap;
        }
        .foot-brand {
            max-width: 300px;
        }
        .foot-brand p {
            color: var(--text-2);
            font-size: 13.5px;
            margin-top: 14px;
            line-height: 1.7;
        }
        .foot-links {
            display: flex;
            gap: 50px;
            flex-wrap: wrap;
        }
        .foot-col h5 {
            font-size: 12px;
            color: var(--text-2);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 14px;
            font-weight: 600;
        }
        .foot-col a {
            display: block;
            font-size: 13.5px;
            color: var(--text);
            margin-bottom: 10px;
            transition: color .2s;
        }
        .foot-col a:hover {
            color: var(--cyan);
        }
        .foot-bottom {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid var(--border);
            display: flex;
            justify-content: space-between;
            font-size: 12.5px;
            color: var(--text-2);
            flex-wrap: wrap;
            gap: 12px;
        }

        /* ===== HERO STATS ===== */
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
            width: 100%;
            max-width: 800px;
            margin: 20px auto 0;
        }
        .hero-stats .hstat {
            background: var(--hero-stat-bg);
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 16px 12px;
            text-align: center;
            transition: background-color .35s, border-color .35s;
        }
        .hero-stats .hv {
            font-family: "Manrope", sans-serif;
            font-weight: 800;
            font-size: clamp(20px, 2.8vw, 28px);
            background: var(--grad);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            line-height: 1;
        }
        .hero-stats .hl {
            font-size: 11.5px;
            color: var(--text-2);
            margin-top: 6px;
            letter-spacing: .3px;
        }

        /* ===== RESPONSIVE ===== */
        @media(max-width:1200px) {
            .nav-links {
                gap: 16px;
                font-size: 13px;
            }
        }
        @media(max-width:1024px) {
            .prod-grid {
                grid-template-columns: 1fr;
            }
            .why-grid {
                grid-template-columns: 1fr 1fr;
            }
            .how-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: 1fr 1fr;
            }
            .trader-wall,
            .sm-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .exchanges {
                grid-template-columns: repeat(2, 1fr);
            }
            .price-grid {
                grid-template-columns: 1fr;
            }
            .nav-links {
                gap: 12px;
                font-size: 12.5px;
            }
        }
        @media(max-width:760px) {
            .prod-grid,
            .why-grid,
            .how-grid,
            .testimonial-grid,
            .trader-wall,
            .sm-grid,
            .exchanges,
            .price-grid,
            .lb-grid {
                grid-template-columns: 1fr;
            }
            .learn-band h2 {
                font-size: 25px;
            }
            .nav-links {
                display: none;
            }
            .nav-cta .btn-ghost {
                display: none;
            }
            .nav-cta .btn-primary {
                padding: 8px 16px;
                font-size: 13px;
            }
            section {
                padding: 60px 0;
            }
            .hero {
                padding: 56px 0 60px;
            }
            .ghost-img {
                width: 120px;
            }
            .wrap {
                padding: 0 18px;
            }
            .foot-in {
                flex-direction: column;
                align-items: stretch;
            }
            .foot-links {
                gap: 28px;
            }
            .hero-stats {
                grid-template-columns: 1fr 1fr !important;
            }
            .sec-head h2 {
                font-size: 28px;
            }
            .trader-card .t-avatar {
                width: 68px;
                height: 68px;
            }
        }

        /* ===== MOBILE NAV DROPDOWN (shared by main site + learn center) ===== */
        .nav-toggle {
            display: none;
            align-items: center; justify-content: center;
            width: 40px; height: 40px; margin-left: 8px;
            border: 1px solid var(--border); border-radius: 10px;
            background: var(--surface-2); color: var(--text); cursor: pointer;
        }
        .nav-toggle svg { width: 20px; height: 20px; }
        .nav-mobile { display: none; }
        @media(max-width:760px) {
            .nav-toggle { display: inline-flex; }
            /* space-between 在移动端会把中间的 nav-cta 顶到导航栏正中，改为靠右聚拢 */
            .nav-in { justify-content: flex-start; }
            .nav-cta { margin-left: auto; gap: 10px; }
            .nav-mobile {
                position: absolute; top: 100%; right: 18px; margin-top: 8px;
                min-width: 210px; display: none; flex-direction: column; gap: 2px;
                padding: 10px; background: var(--surface-2);
                border: 1px solid var(--border); border-radius: 14px;
                box-shadow: 0 20px 50px rgba(0,0,0,.35); z-index: 60;
            }
            nav.nav-open .nav-mobile { display: flex; }
            .nav-mobile a { color: var(--text); text-decoration: none; padding: 11px 12px; font-size: 15px; border-radius: 9px; }
            .nav-mobile a:hover { background: var(--surface); }
            .nav-mobile a.active { color: var(--blue); background: var(--surface); font-weight: 600; }
        }
        /* ===== NAV ACTIVE (scrollspy) ===== */
        .nav-links a.active { color: var(--blue); font-weight: 600; }
        /* ===== TG FLOATING BUTTON ===== */
        .tg-fab {
            position: fixed;
            right: 22px;
            bottom: 24px;
            z-index: 60;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--blue);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 10px 26px rgba(22, 93, 255, .45);
            transition: transform .2s ease, box-shadow .25s ease;
        }
        .tg-fab:hover { transform: translateY(-3px) scale(1.06); box-shadow: 0 14px 32px rgba(22, 93, 255, .6); }
        .tg-fab svg { width: 27px; height: 27px; fill: #fff; display: block; }
        @media (max-width: 760px) {
            .tg-fab { width: 46px; height: 46px; right: 14px; bottom: 16px; }
            .tg-fab svg { width: 23px; height: 23px; }
        }
        @media(max-width:480px) {
            /* 极窄屏放不下 登录 + 切换器 + 汉堡，隐藏登录避免溢出 */
            .nav-cta .btn-primary { display: none; }
        }