:root {
      --deep-teal: #064e56;
      --deep-teal-2: #083d45;
      --teal: #12978d;
      --mint: #e9f7f5;
      --mint-2: #f2fbfa;
      --navy: #071f35;
      --navy-2: #0c2b42;
      --text: #0d2d44;
      --muted: #627486;
      --line: #e4ebf0;
      --card: #ffffff;
      --bg: #fbfcfd;
      --footer: #061f36;
      --gold: #f1b94f;
      --silver: #cfd6dd;
      --shadow: 0 20px 55px rgba(10, 39, 57, 0.08);
      --soft-shadow: 0 12px 34px rgba(10, 39, 57, 0.08);
      --radius: 18px;
      --max: 1320px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Pretendard", "Noto Sans KR", sans-serif;
      background: #fff;
      color: var(--text);
      letter-spacing: -0.035em;
      line-height: 1.55;
      overflow-x: hidden;
    }

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

    button,
    input {
      font-family: inherit;
    }

    .container {
      width: min(var(--max), calc(100% - 96px));
      margin: 0 auto;
    }

    .logo {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 850;
      font-size: 23px;
      color: var(--navy);
      white-space: nowrap;
    }

    .logo-mark {
      width: 40px;
      height: 40px;
      display: inline-grid;
      place-items: center;
      flex: 0 0 auto;
    }

    .logo-mark svg {
      width: 100%;
      height: 100%;
      display: block;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-height: 54px;
      padding: 0 30px;
      border-radius: 8px;
      border: 1px solid transparent;
      background: #fff;
      color: var(--navy);
      font-weight: 800;
      cursor: pointer;
      transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, color 180ms ease, border 180ms ease;
      will-change: transform;
    }

    .btn-primary {
      background: linear-gradient(135deg, #064c54, #075f63);
      color: #fff;
      box-shadow: 0 12px 28px rgba(6, 76, 84, 0.20);
    }

    .btn-primary:hover,
    .nav-cta:hover,
    .cta .btn:hover {
      transform: translateY(-3px);
      box-shadow: 0 18px 34px rgba(6, 76, 84, 0.25);
      background: linear-gradient(135deg, #075b64, #0b7678);
    }

    .btn-outline {
      border-color: #d8e2ea;
      background: #fff;
      color: var(--navy);
      box-shadow: 0 8px 20px rgba(10, 39, 57, 0.04);
    }

    .btn-outline:hover {
      transform: translateY(-3px);
      border-color: rgba(18, 151, 141, 0.45);
      color: var(--deep-teal);
      box-shadow: 0 14px 30px rgba(10, 39, 57, 0.09);
    }

    .arrow {
      width: 19px;
      height: 19px;
      display: inline-block;
      position: relative;
    }

    .arrow::before {
      content: "";
      width: 12px;
      height: 2px;
      background: currentColor;
      position: absolute;
      top: 8px;
      left: 2px;
    }

    .arrow::after {
      content: "";
      width: 8px;
      height: 8px;
      border-top: 2px solid currentColor;
      border-right: 2px solid currentColor;
      transform: rotate(45deg);
      position: absolute;
      top: 5px;
      left: 8px;
    }

    /* Header */
    .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(222, 232, 238, 0.78);
    }

    .header-inner {
      min-height: 74px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
    }

    .nav {
      display: flex;
      align-items: center;
      gap: 47px;
      font-size: 15px;
      font-weight: 800;
      color: var(--navy-2);
      margin-left: auto;
      margin-right: auto;
    }

    .nav a {
      position: relative;
      padding: 25px 0;
      transition: color 180ms ease;
    }

    .nav a::after {
      content: "";
      position: absolute;
      left: 50%;
      bottom: 18px;
      width: 0;
      height: 2px;
      background: var(--teal);
      border-radius: 99px;
      transition: width 180ms ease, left 180ms ease;
    }

    .nav a:hover {
      color: var(--teal);
    }

    .nav a:hover::after {
      width: 100%;
      left: 0;
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 26px;
      font-size: 14px;
      font-weight: 800;
      color: var(--navy-2);
      white-space: nowrap;
    }

    .login-link {
      transition: color 180ms ease, transform 180ms ease;
      display: inline-block;
    }

    .login-link:hover {
      color: var(--teal);
      transform: translateY(-1px);
    }

    .nav-cta {
      min-height: 46px;
      padding: 0 24px;
      border-radius: 8px;
      background: linear-gradient(135deg, #064c54, #075f63);
      color: #fff;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
      box-shadow: 0 10px 24px rgba(6, 76, 84, 0.16);
    }

    .mobile-menu {
      display: none;
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border: 1px solid var(--line);
      background: #fff;
      border-radius: 10px;
      cursor: pointer;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
      transition: border 180ms ease, transform 180ms ease;
    }

    .menu-toggle:hover {
      border-color: rgba(18, 151, 141, 0.55);
      transform: translateY(-2px);
    }

    .menu-toggle span {
      width: 19px;
      height: 2px;
      background: var(--navy);
      border-radius: 99px;
      transition: transform 180ms ease, opacity 180ms ease;
    }

    .menu-open .menu-toggle span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }

    .menu-open .menu-toggle span:nth-child(2) {
      opacity: 0;
    }

    .menu-open .menu-toggle span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    /* Hero */
    .hero {
      padding: 40px 0 78px;
      position: relative;
      background: radial-gradient(circle at 83% 22%, rgba(18, 151, 141, 0.08), transparent 31%), #fff;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 42px;
      align-items: center;
    }

    .hero-copy {
      max-width: 100%;
    }

    .hero-title {
      font-size: clamp(40px, 4.25vw, 68px);
      line-height: 1.18;
      font-weight: 900;
      color: var(--navy);
      letter-spacing: -0.065em;
      margin-bottom: 27px;
    }

    .hero-subtitle {
      font-size: 20px;
      line-height: 1.85;
      color: #2a4960;
      font-weight: 600;
      margin-bottom: 33px;
      letter-spacing: -0.045em;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      gap: 24px;
      margin-bottom: 54px;
    }

    .feature-cards {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 14px;
      max-width: 100%;
    }

    .feature-card {
      background: #fff;
      border: 1px solid #e2ebf1;
      border-radius: 16px;
      min-height: auto;
      padding: 20px 16px;
      display: grid;
      grid-template-columns: auto 1fr;
      gap: 12px;
      align-items: center;
      box-shadow: 0 12px 32px rgba(10, 39, 57, 0.045);
      transition: transform 180ms ease, box-shadow 180ms ease, border 180ms ease;
    }

    .feature-card:hover {
      transform: translateY(-5px);
      border-color: rgba(18, 151, 141, 0.35);
      box-shadow: 0 18px 40px rgba(10, 39, 57, 0.09);
    }

    .feature-icon {
      width: 42px;
      height: 42px;
      border: 1px solid #b9dcd9;
      border-radius: 50%;
      display: grid;
      place-items: center;
      color: var(--deep-teal);
      background: #f7fcfb;
    }

    .feature-card h3 {
      font-size: 15px;
      font-weight: 900;
      color: var(--navy);
      margin-top: 1px;
      white-space: nowrap;
    }

    .feature-card .big {
      font-size: 24px;
      line-height: 1;
      color: var(--navy);
      font-weight: 900;
      letter-spacing: -0.05em;
      margin: 0 0 4px;
      display: block;
    }

    .feature-card p {
      font-size: 14px;
      color: var(--muted);
      font-weight: 650;
      line-height: 1.55;
      margin: 0;
    }

    .hero-art {
      min-height: 520px;
      position: relative;
      display: grid;
      place-items: center;
    }

    .hero-art-wrap {
      width: min(720px, 100%);
      height: 520px;
      position: relative;
      transform: translateX(8px);
    }

    .dashboard {
      position: absolute;
      right: 2px;
      top: 50px;
      width: 410px;
      height: 416px;
      border-radius: 25px;
      background: linear-gradient(145deg, #ffffff, #f8fbfc);
      border: 1px solid #e0e9ee;
      box-shadow: 38px 42px 64px rgba(16, 42, 62, 0.18);
      transform: perspective(880px) rotateY(-12deg) rotateX(3deg);
      overflow: hidden;
    }

    .dashboard::before {
      content: "";
      position: absolute;
      inset: 0;
      border-radius: inherit;
      background: linear-gradient(115deg, rgba(255, 255, 255, 0.35), transparent 45%);
      pointer-events: none;
    }

    .dash-top {
      height: 62px;
      background: linear-gradient(180deg, #d5dde3, #eef2f5);
      display: flex;
      align-items: center;
      padding-left: 24px;
      gap: 9px;
    }

    .dot {
      width: 9px;
      height: 9px;
      background: var(--teal);
      border-radius: 50%;
      opacity: 0.75;
    }

    .dash-body {
      padding: 28px 28px 26px;
      position: relative;
      z-index: 1;
    }

    .dash-title {
      font-size: 20px;
      font-weight: 900;
      color: var(--navy);
      margin-bottom: 22px;
    }

    .mini-panel {
      background: #fff;
      border: 1px solid #e2ebf0;
      border-radius: 16px;
      padding: 19px 21px;
      margin-bottom: 14px;
      box-shadow: 0 10px 24px rgba(8, 49, 65, 0.05);
    }

    .mini-label {
      color: #697d8d;
      font-weight: 750;
      font-size: 14px;
      margin-bottom: 7px;
    }

    .money {
      font-size: 27px;
      font-weight: 900;
      color: var(--navy);
      letter-spacing: -0.05em;
    }

    .chart {
      width: 100%;
      height: 75px;
      margin-top: 8px;
    }

    .lower-panel {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 14px;
      align-items: center;
    }

    .gauge {
      width: 98px;
      height: 98px;
      border-radius: 50%;
      background: conic-gradient(var(--teal) 0 40%, #cce9e6 40% 100%);
      position: relative;
      display: grid;
      place-items: center;
      flex: 0 0 auto;
    }

    .gauge::before {
      content: "";
      width: 68px;
      height: 68px;
      background: #fff;
      border-radius: 50%;
      position: absolute;
      box-shadow: inset 0 0 0 1px #e4ebf0;
    }

    .gauge span {
      position: relative;
      text-align: center;
      color: var(--muted);
      font-weight: 900;
      font-size: 12px;
      line-height: 1.15;
    }

    .gauge strong {
      color: var(--navy);
      font-size: 18px;
    }

    .coin {
      position: absolute;
      border-radius: 50%;
      display: grid;
      place-items: center;
      font-weight: 900;
      z-index: 2;
      box-shadow: 16px 24px 36px rgba(16, 42, 62, 0.18);
      border: 7px solid rgba(255, 255, 255, 0.45);
    }

    .coin::after {
      content: "";
      position: absolute;
      inset: 10px;
      border-radius: 50%;
      border: 2px solid rgba(255, 255, 255, 0.35);
    }

    .coin-btc {
      width: 178px;
      height: 178px;
      right: 370px;
      top: 112px;
      color: #fff4d5;
      font-size: 84px;
      background: radial-gradient(circle at 35% 25%, #ffe5a6, #f4bb54 50%, #d78f25 100%);
    }

    .coin-eth {
      width: 137px;
      height: 137px;
      right: 435px;
      top: 261px;
      background: radial-gradient(circle at 35% 25%, #ffffff, #cdd5dc 55%, #8f99a2 100%);
    }

    .coin-usdt {
      width: 150px;
      height: 150px;
      right: 291px;
      top: 331px;
      background: radial-gradient(circle at 35% 25%, #b7eee7, #40afa0 56%, #187a78 100%);
      color: #fff;
      font-size: 78px;
    }

    .coin-shadow {
      position: absolute;
      right: 140px;
      bottom: 18px;
      width: 410px;
      height: 48px;
      border-radius: 50%;
      background: radial-gradient(ellipse at center, rgba(17, 36, 53, 0.18), transparent 70%);
      filter: blur(6px);
    }

    .eth-symbol {
      width: 54px;
      height: 78px;
      position: relative;
      filter: drop-shadow(0 2px 2px rgba(0, 0, 0, 0.12));
    }

    .eth-symbol::before,
    .eth-symbol::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      margin: auto;
      width: 0;
      height: 0;
      border-left: 27px solid transparent;
      border-right: 27px solid transparent;
    }

    .eth-symbol::before {
      top: 0;
      border-bottom: 42px solid #4e5862;
    }

    .eth-symbol::after {
      bottom: 0;
      border-top: 36px solid #202a34;
    }

    /* Trust */
    .trust {
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
      background: #fff;
      padding: 72px 0;
    }

    .trust-grid {
      display: grid;
      grid-template-columns: 0.9fr 2.1fr;
      gap: 45px;
      align-items: center;
    }

    .section-kicker {
      font-size: 32px;
      line-height: 1.28;
      font-weight: 900;
      color: var(--navy);
      letter-spacing: -0.06em;
      margin-bottom: 25px;
    }

    .section-text {
      color: #5f7484;
      font-size: 15px;
      font-weight: 650;
      line-height: 1.85;
      margin-bottom: 23px;
    }

    .text-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--deep-teal);
      font-weight: 900;
      transition: color 180ms ease, gap 180ms ease;
    }

    .text-link:hover {
      color: var(--teal);
      gap: 13px;
    }

    .trust-items {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      border-left: 1px solid var(--line);
    }

    .trust-item {
      text-align: center;
      padding: 8px 27px 4px;
      border-right: 1px solid var(--line);
      min-height: 180px;
      transition: transform 180ms ease;
    }

    .trust-item:hover {
      transform: translateY(-5px);
    }

    .line-icon {
      width: 58px;
      height: 58px;
      margin: 0 auto 20px;
      color: var(--deep-teal);
    }

    .trust-item h3 {
      font-size: 18px;
      font-weight: 900;
      color: var(--navy);
      margin-bottom: 11px;
    }

    .trust-item p {
      font-size: 13px;
      color: #6b7c89;
      font-weight: 650;
      line-height: 1.72;
    }

    /* Process */
    .process {
      padding: 69px 0 84px;
      background: #fff;
      text-align: center;
    }

    .section-title {
      font-size: 32px;
      line-height: 1.2;
      font-weight: 900;
      color: var(--navy);
      letter-spacing: -0.06em;
      margin-bottom: 12px;
    }

    .section-desc {
      color: #66798b;
      font-size: 15px;
      font-weight: 650;
      margin-bottom: 55px;
    }

    .steps {
      display: grid;
      grid-template-columns: 1fr 70px 1fr 70px 1fr 70px 1fr;
      align-items: start;
      max-width: 1080px;
      margin: 0 auto;
    }

    .step {
      text-align: center;
      min-width: 0;
    }

    .step-circle {
      width: 80px;
      height: 80px;
      margin: 0 auto 24px;
      border-radius: 50%;
      border: 1px solid #dce7ed;
      display: grid;
      place-items: center;
      color: var(--deep-teal);
      background: #fff;
      transition: transform 180ms ease, box-shadow 180ms ease, border 180ms ease;
    }

    .step:hover .step-circle {
      transform: translateY(-6px);
      border-color: rgba(18, 151, 141, 0.45);
      box-shadow: 0 14px 30px rgba(10, 39, 57, 0.08);
    }

    .step-no {
      width: 34px;
      height: 34px;
      margin: 0 auto 16px;
      border-radius: 50%;
      border: 1px solid #dce7ed;
      display: grid;
      place-items: center;
      color: #8a9aaa;
      font-weight: 900;
      background: #fff;
      font-size: 14px;
    }

    .step h3 {
      font-size: 18px;
      color: var(--navy);
      font-weight: 900;
      margin-bottom: 11px;
    }

    .step p {
      color: #657889;
      font-size: 13px;
      font-weight: 650;
      line-height: 1.65;
    }

    .step-arrow {
      height: 80px;
      position: relative;
    }

    .step-arrow::before {
      content: "";
      position: absolute;
      top: 39px;
      left: 0;
      right: 0;
      height: 2px;
      background: #c6d5dd;
    }

    .step-arrow::after {
      content: "";
      position: absolute;
      top: 34px;
      right: 1px;
      width: 10px;
      height: 10px;
      border-top: 2px solid #c6d5dd;
      border-right: 2px solid #c6d5dd;
      transform: rotate(45deg);
    }

    /* Earn */
    .earn {
      background: linear-gradient(90deg, #effbf9 0%, #e9f7f4 45%, #f8fbfc 100%);
      padding: 67px 0;
      overflow: hidden;
    }

    .earn-grid {
      display: grid;
      grid-template-columns: 0.85fr 1.45fr;
      gap: 68px;
      align-items: center;
    }

    .earn .section-kicker {
      margin-bottom: 21px;
    }

    .earn-card {
      background: rgba(255, 255, 255, 0.93);
      border: 1px solid #dfeaed;
      border-radius: 18px;
      min-height: 282px;
      display: grid;
      grid-template-columns: 1.25fr 0.75fr;
      gap: 26px;
      padding: 29px 29px 24px;
      box-shadow: 0 24px 50px rgba(10, 39, 57, 0.07);
    }

    .tabs {
      display: flex;
      align-items: center;
      gap: 36px;
      border-bottom: 1px solid #d9e4ea;
      margin-bottom: 22px;
    }

    .tab {
      padding-bottom: 13px;
      color: #8b99a5;
      font-weight: 900;
      position: relative;
      font-size: 16px;
    }

    .tab.active {
      color: var(--navy);
    }

    .tab.active::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: -1px;
      height: 3px;
      background: var(--deep-teal);
      border-radius: 99px 99px 0 0;
    }

    .earn-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 14px;
      font-weight: 700;
      color: var(--muted);
    }

    .earn-table th {
      text-align: left;
      color: #607483;
      font-size: 13px;
      padding-bottom: 17px;
      font-weight: 900;
    }

    .earn-table td {
      padding: 9px 0;
      border-top: 1px solid #eef3f6;
    }

    .asset {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: var(--navy);
      font-weight: 900;
    }

    .asset-dot {
      width: 22px;
      height: 22px;
      border-radius: 50%;
      display: inline-grid;
      place-items: center;
      color: #fff;
      font-size: 12px;
      font-weight: 900;
    }

    .asset-dot.usdt { background: #27a99b; }
    .asset-dot.btc { background: #f5a623; }
    .asset-dot.eth { background: #2e3d4f; }

    .apy {
      color: var(--deep-teal);
      font-size: 20px;
      font-weight: 900;
      letter-spacing: -0.05em;
    }

    .earn-visual {
      position: relative;
      display: flex;
      align-items: end;
      justify-content: center;
      min-height: 220px;
    }

    .bar-group {
      display: flex;
      align-items: flex-end;
      gap: 14px;
      height: 160px;
      margin-top: auto;
    }

    .bar {
      width: 43px;
      border-radius: 10px 10px 4px 4px;
      background: linear-gradient(180deg, #65d2c4, #0c7c7a);
      box-shadow: 9px 13px 24px rgba(11, 93, 92, 0.18);
      position: relative;
    }

    .bar:nth-child(1) { height: 62px; }
    .bar:nth-child(2) { height: 100px; }
    .bar:nth-child(3) { height: 143px; }

    .growth-arrow {
      position: absolute;
      right: 22px;
      top: 30px;
      width: 190px;
      height: 100px;
    }

    .earn-coin {
      position: absolute;
      left: 17px;
      bottom: 13px;
      width: 66px;
      height: 66px;
      border-radius: 50%;
      background: radial-gradient(circle at 32% 25%, #ffe6a6, #f0b54a 58%, #c98520 100%);
      color: #fff4d7;
      font-size: 32px;
      font-weight: 900;
      display: grid;
      place-items: center;
      border: 4px solid rgba(255, 255, 255, 0.55);
      box-shadow: 9px 12px 22px rgba(18, 49, 66, 0.14);
    }

    /* FAQ */
    .faq {
      padding: 34px 0 31px;
      background: #fff;
      text-align: center;
    }

    .faq-title {
      font-size: 26px;
      font-weight: 900;
      color: var(--navy);
      margin-bottom: 24px;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 10px;
      margin-bottom: 18px;
    }

    .faq-item {
      border: 1px solid #dfe8ee;
      background: #fff;
      border-radius: 10px;
      min-height: 54px;
      padding: 0 18px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      color: var(--navy-2);
      font-size: 14px;
      font-weight: 800;
      cursor: pointer;
      transition: transform 180ms ease, border 180ms ease, box-shadow 180ms ease, color 180ms ease;
    }

    .faq-item:hover {
      transform: translateY(-3px);
      border-color: rgba(18, 151, 141, 0.45);
      box-shadow: 0 13px 28px rgba(10, 39, 57, 0.07);
      color: var(--deep-teal);
    }

    .chev {
      width: 9px;
      height: 9px;
      border-right: 2px solid currentColor;
      border-bottom: 2px solid currentColor;
      transform: rotate(45deg);
      flex: 0 0 auto;
      margin-top: -4px;
      transition: transform 180ms ease;
    }

    .faq-item:hover .chev {
      transform: rotate(45deg) translate(2px, 2px);
    }

    .more-link {
      font-size: 14px;
      font-weight: 900;
      color: var(--deep-teal);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .more-link:hover {
      color: var(--teal);
    }

    /* CTA */
    .cta {
      background: linear-gradient(135deg, #064b54, #075b60 52%, #06424a);
      color: #fff;
      padding: 48px 0;
    }

    .cta-inner {
      display: grid;
      grid-template-columns: auto 1fr auto;
      align-items: center;
      gap: 34px;
    }

    .cta-mark {
      width: 55px;
      height: 55px;
      flex: 0 0 auto;
    }

    .cta h2 {
      font-size: 29px;
      line-height: 1.28;
      font-weight: 900;
      letter-spacing: -0.055em;
      margin-bottom: 6px;
    }

    .cta p {
      color: rgba(255, 255, 255, 0.78);
      font-size: 15px;
      font-weight: 650;
    }

    .cta .btn {
      min-width: 178px;
      background: #fff;
      color: var(--navy);
      box-shadow: none;
    }

    .cta .btn:hover {
      color: var(--deep-teal);
      background: #fff;
      box-shadow: 0 15px 32px rgba(0, 0, 0, 0.18);
    }

    /* Footer */
    .footer {
      background: linear-gradient(180deg, #092c45 0%, #061f36 100%);
      color: rgba(255, 255, 255, 0.82);
      padding: 51px 0 28px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.55fr repeat(3, 0.85fr) 1fr;
      gap: 44px;
      padding-bottom: 42px;
    }

    .footer-brand .logo {
      color: #fff;
      font-size: 20px;
      margin-bottom: 19px;
      margin-left: -12px;
    }

    .footer-brand .logo-mark {
      width: 32px;
      height: 32px;
    }

    .footer-desc {
      color: rgba(255, 255, 255, 0.68);
      font-size: 14px;
      font-weight: 650;
      line-height: 1.75;
      margin-bottom: 28px;
    }

    .socials {
      display: flex;
      align-items: center;
      gap: 22px;
    }

    .socials a {
      color: rgba(255, 255, 255, 0.86);
      transition: color 180ms ease, transform 180ms ease;
      display: inline-grid;
      place-items: center;
      width: 22px;
      height: 22px;
    }

    .socials a:hover {
      color: #61d5c9;
      transform: translateY(-3px);
    }

    .footer-col h3 {
      color: #fff;
      font-size: 16px;
      font-weight: 900;
      margin-bottom: 18px;
    }

    .footer-col a {
      display: block;
      color: rgba(255, 255, 255, 0.68);
      font-size: 14px;
      font-weight: 650;
      margin-bottom: 12px;
      transition: color 180ms ease, transform 180ms ease;
    }

    .footer-col a:hover {
      color: #7ee1d6;
      transform: translateX(4px);
    }

    .store-btn {
      min-height: 43px;
      width: 162px;
      border: 1px solid rgba(255, 255, 255, 0.32);
      border-radius: 7px;
      color: #fff;
      display: flex;
      align-items: center;
      gap: 11px;
      padding: 0 14px;
      margin-bottom: 11px;
      font-weight: 750;
      background: rgba(255, 255, 255, 0.03);
      transition: background 180ms ease, transform 180ms ease, border 180ms ease;
    }

    .store-btn:hover {
      background: rgba(255, 255, 255, 0.08);
      border-color: rgba(255, 255, 255, 0.55);
      transform: translateY(-3px);
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      padding-top: 27px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      color: rgba(255, 255, 255, 0.58);
      font-size: 13px;
      font-weight: 650;
    }

    .footer-bottom-right {
      display: flex;
      align-items: center;
      gap: 25px;
    }

    .divider {
      width: 1px;
      height: 15px;
      background: rgba(255, 255, 255, 0.18);
    }

    .language {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: rgba(255, 255, 255, 0.82);
    }

    /* SVG default */
    .stroke {
      stroke: currentColor;
      stroke-width: 2.2;
      stroke-linecap: round;
      stroke-linejoin: round;
      fill: none;
    }

    .fill-teal {
      fill: var(--deep-teal);
    }

    .fill-teal-light {
      fill: #0f7b78;
    }

    @media (max-width: 1180px) {
      .container {
        width: min(var(--max), calc(100% - 56px));
      }

      .nav {
        gap: 25px;
      }

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

      .hero-art {
        min-height: 430px;
      }

      .hero-art-wrap {
        transform: none;
        height: 470px;
        max-width: 720px;
      }

      .dashboard {
        right: 20px;
      }

      .trust-grid,
      .earn-grid {
        grid-template-columns: 1fr;
      }

      .trust-items {
        border-left: none;
      }

      .trust-item:first-child {
        border-left: 1px solid var(--line);
      }

      .footer-grid {
        grid-template-columns: 1.4fr repeat(2, 1fr);
      }
    }

    @media (max-width: 920px) {
      .site-header {
        background: rgba(255, 255, 255, 0.94);
      }

      .header-inner {
        min-height: 68px;
      }

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

      /* 데스크탑 nav/auth 숨김 */
      .nav,
      #auth-nav {
        display: none;
      }

      /* 모바일 메뉴 패널 */
      .mobile-menu {
        display: none;
        flex-direction: column;
        border-top: 1px solid var(--line);
        padding: 8px 0 24px;
      }

      .menu-open .mobile-menu {
        display: flex;
      }

      /* 모바일 nav 링크 */
      .mobile-nav {
        display: flex;
        flex-direction: column;
        margin-bottom: 16px;
      }

      .mobile-nav a {
        padding: 14px 4px;
        font-size: 15px;
        font-weight: 700;
        color: var(--navy-2);
        border-bottom: 1px solid #edf2f5;
        text-decoration: none;
      }

      .mobile-nav a:last-child {
        border-bottom: none;
      }

      .mobile-nav a:hover {
        color: var(--teal);
      }

      /* 모바일 인증 섹션 */
      .mobile-auth-actions {
        display: flex;
        flex-direction: column;
        gap: 10px;
      }

      .mobile-username {
        font-size: 14px;
        font-weight: 800;
        color: #064e56;
        text-align: center;
        padding: 4px 0;
      }

      .mobile-menu-link {
        height: 46px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 10px;
        border: 1px solid var(--line);
        background: #fff;
        font-size: 14px;
        font-weight: 700;
        color: var(--navy-2);
        text-decoration: none;
      }

      .mobile-menu-link:hover {
        color: var(--teal);
      }

      .mobile-menu-cta {
        height: 46px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 10px;
        background: linear-gradient(135deg, #064c54, #075f63);
        color: #fff;
        font-size: 14px;
        font-weight: 700;
        text-decoration: none;
        box-shadow: 0 4px 14px rgba(6, 76, 84, 0.25);
      }

      .hero {
        padding: 66px 0 58px;
      }

      .hero-subtitle {
        font-size: 17px;
      }

      .hero-actions,
      .feature-cards {
        gap: 14px;
      }

      .feature-cards,
      .trust-items,
      .faq-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .trust-item,
      .trust-item:first-child {
        border: 1px solid var(--line);
        border-radius: 16px;
      }

      .trust-items {
        gap: 14px;
      }

      .steps {
        grid-template-columns: 1fr;
        gap: 30px;
      }

      .step-arrow {
        display: none;
      }

      .earn-card {
        grid-template-columns: 1fr;
      }

      .earn-visual {
        min-height: 180px;
      }

      .cta-inner {
        grid-template-columns: 1fr;
        text-align: center;
        justify-items: center;
      }

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

      .footer-brand {
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 680px) {
      .container {
        width: min(var(--max), calc(100% - 34px));
      }

      .logo {
        font-size: 19px;
      }

      .logo-mark {
        width: 34px;
        height: 34px;
      }

      .hero-title {
        font-size: 38px;
      }

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

      .btn {
        width: 100%;
      }

      .feature-cards,
      .trust-items,
      .faq-grid,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .feature-card {
        min-height: 126px;
      }

      .hero-art {
        min-height: 350px;
      }

      .hero-art-wrap {
        height: 345px;
      }

      .dashboard {
        width: 300px;
        height: 302px;
        right: 0;
        top: 16px;
        border-radius: 19px;
      }

      .dash-top {
        height: 46px;
      }

      .dash-body {
        padding: 17px;
      }

      .dash-title {
        font-size: 15px;
        margin-bottom: 12px;
      }

      .mini-panel {
        padding: 11px 13px;
        border-radius: 12px;
      }

      .money {
        font-size: 20px;
      }

      .chart {
        height: 42px;
      }

      .gauge {
        width: 68px;
        height: 68px;
      }

      .gauge::before {
        width: 48px;
        height: 48px;
      }

      .gauge strong {
        font-size: 13px;
      }

      .coin-btc {
        width: 100px;
        height: 100px;
        right: 230px;
        top: 60px;
        font-size: 50px;
      }

      .coin-eth {
        width: 86px;
        height: 86px;
        right: 232px;
        top: 161px;
      }

      .eth-symbol {
        transform: scale(0.6);
      }

      .coin-usdt {
        width: 96px;
        height: 96px;
        right: 142px;
        top: 211px;
        font-size: 47px;
      }

      .trust,
      .process,
      .earn {
        padding: 54px 0;
      }

      .section-kicker,
      .section-title {
        font-size: 28px;
      }

      .earn-card {
        padding: 22px 18px;
      }

      .earn-table {
        font-size: 12px;
      }

      .apy {
        font-size: 16px;
      }

      .cta h2 {
        font-size: 25px;
      }

      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }

    /* Page Content Styles */
    .placeholder-page, .sub-page {
      min-height: 60vh;
      padding: 100px 0;
    }

    .sub-page h1 {
      font-size: 42px;
      font-weight: 900;
      color: var(--navy);
      margin-bottom: 40px;
      text-align: center;
    }

    .card {
      background: #fff;
      border: 1px solid #e2ebf1;
      border-radius: 16px;
      padding: 30px;
      box-shadow: 0 12px 32px rgba(10, 39, 57, 0.045);
    }

    .gradient-primary {
      background: linear-gradient(135deg, #064c54, #075f63);
      color: #fff;
    }

    .text-blue-600 { color: #2563eb; }
    .text-green-600 { color: #16a34a; }
    .text-gray-500 { color: #6b7280; }
    .text-gray-400 { color: #9ca3af; }

    table {
      width: 100%;
      border-collapse: collapse;
      margin-bottom: 20px;
    }

    th, td {
      padding: 12px;
      text-align: left;
      border-bottom: 1px solid var(--line);
    }

    th {
      font-weight: 800;
      color: var(--muted);
      font-size: 14px;
    }

    section {
      margin-bottom: 60px;
    }

    section h2 {
      font-size: 24px;
      font-weight: 850;
      color: var(--navy);
      margin-bottom: 24px;
    }

    .leading-relaxed { line-height: 1.8; }
    .space-y-4 > * + * { margin-top: 1rem; }
    .space-y-12 > * + * { margin-top: 3rem; }

    details.card summary {
      list-style: none;
      cursor: pointer;
      font-weight: 800;
      font-size: 18px;
    }

    /* Utility Classes */
    .flex { display: flex; }
    .flex-wrap { flex-wrap: wrap; }
    .flex-col { flex-direction: column; }
    .items-center { align-items: center; }
    .justify-between { justify-content: space-between; }
    .gap-2 { gap: 8px; }
    .gap-3 { gap: 12px; }
    .gap-4 { gap: 16px; }
    .gap-6 { gap: 24px; }
    .w-full { width: 100%; }
    .mb-3 { margin-bottom: 12px; }
    .mb-12 { margin-bottom: 48px; }
    .mt-4 { margin-top: 16px; }
    .space-y-6 > * + * { margin-top: 24px; }
    .block { display: block; }
    .font-bold { font-weight: 700; }
    .text-sm { font-size: 14px; }
    .text-xs { font-size: 12px; }
    .text-center { text-align: center; }
    .overflow-x-auto { overflow-x: auto; }