:root {
      --bg: #e4e4e6;
      --ink: #1f252b;
      --muted: #5d6670;
      --panel: #f4f4f5;
      --line: #d2d5d8;
      --l1: #dc9a3e;
      --l2: #e33f30;
      --l3: #739b74;
      --l4: #59a9c3;
      --logo-blue: #1f2f67;
    }

    * { box-sizing: border-box; }

    html,
    body {
      margin: 0;
      padding: 0;
      color: var(--ink);
      font-family: "Segoe UI", "Noto Sans TC", sans-serif;
      background:
        radial-gradient(circle at 12% 15%, #f7f7f8 0, transparent 20%),
        linear-gradient(145deg, #dbdcdf 0%, #d4d5d8 100%);
      min-height: 100vh;
    }

    #app {
      margin: 0 !important;
      padding: 0 !important;
    }

    #app > header:first-child {
      margin-top: 0 !important;
    }

    .container {
      width: min(1140px, 92vw);
      margin: 0 auto;
    }

    .site-header {
      position: relative;
      z-index: 10;
      backdrop-filter: blur(8px);
      background: linear-gradient(120deg, rgba(115, 155, 116, 0.96), rgba(89, 169, 195, 0.93));
      border-bottom: 1px solid rgba(255, 255, 255, 0.35);
      box-shadow: 0 6px 18px rgba(39, 79, 94, 0.2);
      will-change: transform;
    }

    .site-header.is-fixed {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      width: 100%;
      z-index: 20;
      animation: header-slide-down 0.22s ease-out;
    }

    @keyframes header-slide-down {
      from {
        transform: translateY(-100%);
      }
      to {
        transform: translateY(0);
      }
    }

    #app.header-is-fixed .page-content {
      padding-top: var(--header-height, 70px);
    }

    .page-content {
      padding-top: 0 !important;
    }

    .nav {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 14px 0;
    }

    .brand {
      font-weight: 800;
      font-size: 1.32rem;
      letter-spacing: 0.2px;
      display: flex;
      align-items: center;
      gap: 10px;
      color: #ffffff;
      text-decoration: none;
    }

    .brand:hover,
    .brand:focus,
    .brand:active {
      text-decoration: none;
    }

    .brand-logo {
      width: 40px;
      height: 40px;
      display: block;
      flex: 0 0 40px;
      object-fit: contain;
    }

    .brand-text {
      white-space: nowrap;
      color: var(--logo-blue);
      text-shadow: 0 1px 2px rgba(255, 255, 255, 0.25);
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
      justify-content: flex-end;
      margin-left: auto;
    }

    .nav-links a {
      color: #111111;
      text-decoration: none;
      font-weight: 400 !important;
      font-size: 0.92rem;
      line-height: 1;
      padding: 8px 11px;
      border-radius: 999px;
      border: 1px solid transparent;
      transition: 0.2s ease;
    }

    .nav-links a:hover {
      border-color: rgba(255, 255, 255, 0.55);
      background: rgba(255, 255, 255, 0.12);
    }

    .nav-right-panel {
      position: relative;
      margin-left: 8px;
      z-index: 30;
      display: flex;
      align-items: center;
    }

    .button_container {
      width: 42px;
      height: 34px;
      display: inline-block;
      position: relative;
      padding: 0;
      border: 0;
      border-radius: 0;
      background: transparent;
      cursor: pointer;
      transition: 0.25s ease;
    }

    .button_container:hover {
      box-shadow: none;
    }

    .button_container span {
      position: absolute;
      top: 50%;
      left: 50%;
      width: 22px;
      height: 2px !important;
      display: block;
      background: #000000;
      border-radius: 999px;
      transition: 0.25s ease;
      transform-origin: center;
      margin-left: -11px;
      margin-top: -1px;
    }

    .button_container .top {
      transform: translateY(-7px);
    }

    .button_container .middle {
      transform: translateY(0);
    }

    .button_container .bottom {
      transform: translateY(7px);
    }

    .button_container.active .top {
      transform: rotate(45deg);
    }

    .button_container.active .middle {
      opacity: 0;
    }

    .button_container.active .bottom {
      transform: rotate(-45deg);
    }

    .nav-right-panel .main-menu {
      position: absolute;
      top: calc(100% + 12px);
      right: 0;
      width: 270px;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.97);
      border: 1px solid rgba(31, 47, 103, 0.2);
      border-radius: 14px;
      box-shadow: 0 18px 30px rgba(0, 0, 0, 0.18);
      overflow: hidden;
    }

    .nav-right-panel .main-menu::before {
      display: none;
    }

    .nav-right-panel .menu-ul {
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .nav-right-panel .menu-ul a {
      display: block;
      padding: 10px 14px;
      color: #1b2446;
      text-decoration: none;
      font-weight: 400 !important;
    }

    .nav-right-panel .menu-ul a .fa {
      width: 18px;
      margin-right: 8px;
      text-align: center;
    }

    .nav-right-panel .menu-ul .js-menu-toggle {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .nav-right-panel .menu-ul .user-item > .js-menu-toggle {
      background: rgba(214, 153, 70, 0.20);
      color: #1b2446;
      border-top: 1px solid rgba(31, 47, 103, 0.12);
      border-bottom: 1px solid rgba(31, 47, 103, 0.12);
    }

    .nav-right-panel .menu-ul .menu-toggle-icon {
      width: auto;
      margin-right: 0;
    }

    .nav-right-panel .menu-ul .lf_menu {
      background: rgba(214, 153, 70, 0.12);
      border-bottom: 1px solid rgba(31, 47, 103, 0.12);
    }

    .nav-right-panel .menu-ul .lf_menu a {
      padding-left: 24px;
      background: rgba(255, 248, 238, 0.92);
      color: #1b2446;
      border-top: 1px solid rgba(31, 47, 103, 0.08);
    }

    .nav-right-panel .menu-ul a:hover {
      background: rgba(89, 169, 195, 0.14);
    }

    .menu-user-head {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 12px 14px;
      background: linear-gradient(135deg, #eceff3 0%, #e2e6ec 55%, #d7dde6 100%);
      border-bottom: 1px solid rgba(31, 47, 103, 0.14);
    }

    .menu-user-avatar-wrap {
      width: 52px;
      height: 52px;
      border-radius: 999px;
      padding: 2px;
      background: rgba(255, 255, 255, 0.18);
      flex: 0 0 52px;
    }

    .menu-user-avatar {
      width: 100%;
      height: 100%;
      border-radius: 999px;
      object-fit: cover;
      display: block;
      background: #fff;
    }

    .menu-user-meta {
      min-width: 0;
      color: #1f2f67;
    }

    .menu-user-name {
      font-size: 1.02rem;
      font-weight: 700;
      letter-spacing: 0.04em;
      line-height: 1.2;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .menu-user-role {
      margin-top: 4px;
      font-size: 0.9rem;
      color: #3f4f72;
      font-weight: 600;
      letter-spacing: 0.03em;
    }

    .btbg {
      position: fixed;
      inset: 0;
      background: rgba(0, 0, 0, 0.18);
      z-index: 25;
    }

    .btn {
      border: 0;
      background: linear-gradient(120deg, var(--l2), var(--l1));
      color: #fff;
      font-weight: 700;
      border-radius: 999px;
      padding: 10px 16px;
      text-decoration: none;
      display: inline-block;
      box-shadow: 0 8px 20px rgba(226, 69, 44, 0.28);
    }

    .hero {
      padding: 54px 0 30px;
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 22px;
      align-items: stretch;
    }

    .hero-banner {
      width: 100vw;
      margin-left: calc(50% - 50vw);
      margin-right: calc(50% - 50vw);
      margin-top: 0;
      margin-bottom: 22px;
      padding: 0;
      position: relative;
      overflow: hidden;
      box-shadow: 0 16px 32px rgba(6, 23, 38, 0.28);
    }

    .hero-banner img {
      width: 100%;
      height: clamp(180px, 31vw, 360px);
      display: block;
      object-fit: cover;
      filter: saturate(1.08) contrast(1.03);
    }

    .hero-banner::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(4, 18, 33, 0.15) 0%, rgba(4, 18, 33, 0.28) 100%);
      pointer-events: none;
    }

    h1 {
      margin: 0 0 16px;
      font-size: clamp(2rem, 5vw, 3.2rem);
      line-height: 1.12;
    }

    .lead {
      margin: 0 0 18px;
      color: var(--muted);
      line-height: 1.8;
      font-size: 1.04rem;
    }

    .hero-card {
      background: linear-gradient(165deg, #fafafa, #f0f1f2);
      border: 1px solid var(--line);
      border-radius: 16px;
      padding: 20px;
      box-shadow: 0 12px 30px rgba(28, 32, 38, 0.09);
    }

    .hero-card h2 {
      margin: 0 0 14px;
      font-size: 1.2rem;
    }

    .stats {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
    }

    .stat {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 12px;
      padding: 12px;
      text-align: center;
    }

    .stat b {
      display: block;
      margin-bottom: 4px;
      font-size: 1.2rem;
      color: var(--l2);
    }

    section { padding: 18px 0 34px; }

    h2 { margin: 0 0 12px; font-size: 1.56rem; }

    .section-sub {
      margin: 0 0 16px;
      color: var(--muted);
      line-height: 1.75;
    }

    .pyramid-flow {
      display: grid;
      gap: 10px;
      margin-top: 12px;
      padding-right: 50px;
    }

    .layer {
      position: relative;
      color: #fff;
      min-height: 94px;
      display: grid;
      grid-template-columns: 100px 1fr;
      align-items: center;
      padding: 14px 58px 14px 0;
      background: var(--layer-c);
      overflow: visible;
    }

    .layer::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      bottom: 0;
      width: 98px;
      background: rgba(0, 0, 0, 0.08);
    }

    .layer::after {
      content: "";
      position: absolute;
      right: -50px;
      top: 0;
      width: 0;
      height: 0;
      border-top: 47px solid transparent;
      border-bottom: 47px solid transparent;
      border-left: 50px solid var(--layer-c);
    }

    .layer .n {
      text-align: center;
      font-weight: 800;
      font-size: 1.7rem;
      line-height: 1;
      text-shadow: 0 1px 0 rgba(0, 0, 0, 0.16);
    }

    .layer h3 {
      margin: 0;
      font-size: 2rem;
      line-height: 1.05;
      letter-spacing: 0.2px;
    }

    .layer p {
      margin: 8px 0 0;
      font-size: 1.05rem;
      line-height: 1.45;
      opacity: 0.97;
    }

    .l-1 { --layer-c: var(--l1); }
    .l-2 { --layer-c: var(--l2); }
    .l-3 { --layer-c: var(--l3); }
    .l-4 { --layer-c: var(--l4); }

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

    .card {
      background: #fff;
      border: 1px solid var(--line);
      border-top: 4px solid transparent;
      border-radius: 12px;
      padding: 16px;
    }

    .card h3 { margin: 0 0 8px; }
    .card p { margin: 0; color: var(--muted); line-height: 1.7; }

    .card.r1 { border-top-color: var(--l1); }
    .card.r2 { border-top-color: var(--l2); }
    .card.r3 { border-top-color: var(--l3); }
    .card.r4 { border-top-color: var(--l4); }

    .cta {
      background: linear-gradient(140deg, #fff, #f5f7f8);
      border: 1px solid var(--line);
      border-radius: 16px;
      padding: 20px;
      box-shadow: 0 10px 24px rgba(24, 31, 40, 0.07);
    }

    .cta p {
      margin: 0 0 14px;
      line-height: 1.8;
      color: var(--muted);
    }

    footer {
      border-top: 1px solid var(--line);
      color: #505860;
      padding: 22px 0 30px;
      font-size: 0.95rem;
      margin-top: 8px;
    }

    @media (max-width: 960px) {
      .hero { grid-template-columns: 1fr; }
      .cards { grid-template-columns: 1fr 1fr; }
      .stats { grid-template-columns: 1fr; }
    }

    @media (max-width: 680px) {
      .cards { grid-template-columns: 1fr; }
      .nav {
        display: flex !important;
        flex-wrap: nowrap !important;
        align-items: center !important;
        gap: 8px !important;
        position: relative !important;
        padding-right: 56px !important;
        min-height: 64px !important;
      }
      .brand {
        flex: 1 1 auto !important;
        min-width: 0 !important;
      }
      .brand-text {
        white-space: nowrap !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
      }
      .nav-links { display: none; }
      .nav-right-panel {
        margin-left: 0 !important;
        flex: 0 0 auto !important;
        position: absolute !important;
        right: 0 !important;
        top: 50% !important;
        transform: translateY(-50%) !important;
        display: flex !important;
        align-items: center !important;
        height: 34px !important;
        z-index: 40 !important;
      }
      .button_container {
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
        margin: 0 !important;
      }
      .pyramid-flow {
        padding-right: 0;
        gap: 8px;
      }
      .layer {
        grid-template-columns: 58px 1fr;
        min-height: 0;
        padding: 10px 16px 10px 0;
        clip-path: polygon(0 0, 93% 0, 100% 50%, 93% 100%, 0 100%);
      }
      .layer::before { width: 56px; }
      .layer::after {
        display: none;
      }
      .layer .n { font-size: 1.12rem; }
      .layer h3 { font-size: 1.02rem; line-height: 1.18; }
      .layer p { font-size: 0.84rem; margin-top: 4px; line-height: 1.38; }
      .nav { align-items: center; }
      .hero-banner {
        margin-bottom: 14px;
      }
      .hero-banner img {
        height: 190px;
      }
    }

    @media (max-width: 420px) {
      .container { width: 94vw; }
      h2 { font-size: 1.3rem; }
      .section-sub { font-size: 0.95rem; }
      .layer {
        grid-template-columns: 52px 1fr;
        padding-right: 14px;
      }
      .layer::before { width: 50px; }
      .layer h3 { font-size: 0.96rem; }
      .layer p { font-size: 0.8rem; }
    }

    .auth-page {
      min-height: calc(100vh - 220px);
      display: flex;
      align-items: center;
      padding: 28px 0 42px;
    }

    .auth-wrap {
      width: min(920px, 100%);
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1fr 420px;
      gap: 20px;
      align-items: stretch;
    }

    .auth-intro {
      padding: 26px 8px;
      color: #1f2f67;
    }

    .auth-kicker {
      margin: 0 0 8px;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      font-size: 0.76rem;
      color: #4e7f92;
    }

    .auth-intro h1 {
      margin: 0 0 12px;
      font-size: clamp(1.8rem, 3.6vw, 2.6rem);
      color: #1b2446;
    }

    .auth-intro p {
      margin: 0;
      color: #3e4b61;
      line-height: 1.75;
      font-size: 1rem;
    }

    .auth-card {
      background: rgba(255, 255, 255, 0.97);
      border: 1px solid rgba(31, 47, 103, 0.18);
      border-radius: 16px;
      box-shadow: 0 18px 34px rgba(18, 37, 54, 0.16);
      padding: 24px 22px;
    }

    .auth-card h2 {
      margin: 0 0 14px;
      color: #1b2446;
      font-size: 1.35rem;
    }

    .auth-card-single {
      width: min(560px, 100%);
      margin: 0 auto;
    }

    .auth-title {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin: 0 0 10px;
      color: #1b2446;
      font-size: 2rem;
      letter-spacing: 0.02em;
    }

    .auth-title i {
      color: #2fe1ff;
      font-size: 1.8rem;
    }

    .auth-subtitle {
      margin: -2px 0 12px;
      color: #50607a;
      font-size: 0.98rem;
    }

    .auth-alert {
      margin-bottom: 12px;
      padding: 10px 12px;
      border-radius: 10px;
      font-size: 0.92rem;
      color: #8a1f1f;
      background: #fff2f2;
      border: 1px solid #efcaca;
    }

    .auth-form {
      display: grid;
      gap: 10px;
    }

    .line-login-btn {
      width: 100%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-height: 58px;
      border-radius: 12px;
      border: 1px solid #06c755;
      background: #06c755;
      color: #ffffff;
      text-decoration: none;
      font-weight: 500;
      margin-bottom: 10px;
      transition: transform 0.16s ease, box-shadow 0.16s ease, filter 0.16s ease;
    }

    .line-login-btn:hover {
      color: #ffffff;
      transform: translateY(-1px);
      box-shadow: 0 8px 18px rgba(6, 199, 85, 0.32);
      filter: brightness(1.03);
    }

    .line-login-btn img {
      width: 34px;
      height: 34px;
      object-fit: contain;
      display: block;
    }

    .login-tips {
      margin-top: 10px;
      padding: 14px 14px 10px;
      border-radius: 14px;
      background: transparent;
      border: 0;
    }

    .login-tips p {
      margin: 0 0 8px;
      color: #111111;
      font-weight: 600;
    }

    .login-tips ol {
      margin: 0;
      padding-left: 24px;
      color: #111111;
    }

    .login-tips li {
      margin-bottom: 6px;
    }

    .auth-divider {
      margin: 4px 0 8px;
      text-align: center;
      position: relative;
      color: #6c7791;
      font-size: 0.82rem;
    }

    .auth-divider::before {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      top: 50%;
      border-top: 1px solid #dbe1e8;
      z-index: 0;
    }

    .auth-divider span {
      position: relative;
      z-index: 1;
      background: rgba(255, 255, 255, 0.97);
      padding: 0 8px;
    }

    .auth-form label {
      color: #2d3752;
      font-size: 0.9rem;
      font-weight: 500;
      margin-top: 4px;
    }

    .auth-form input[type="text"],
    .auth-form input[type="email"],
    .auth-form input[type="password"] {
      width: 100%;
      border: 1px solid #cfd8df;
      border-radius: 10px;
      padding: 10px 11px;
      font-size: 0.95rem;
      color: #1f252b;
      background: #ffffff;
      outline: none;
      transition: border-color 0.18s ease, box-shadow 0.18s ease;
    }

    .auth-form input[type="text"]:focus,
    .auth-form input[type="email"]:focus,
    .auth-form input[type="password"]:focus {
      border-color: #59a9c3;
      box-shadow: 0 0 0 3px rgba(89, 169, 195, 0.2);
    }

    .auth-remember {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin: 2px 0 4px;
      font-size: 0.88rem;
      color: #445168;
      user-select: none;
    }

    .auth-submit {
      width: 100%;
      margin-top: 4px;
      font-size: 0.98rem;
      letter-spacing: 0.03em;
      cursor: pointer;
    }

    @media (max-width: 860px) {
      .auth-wrap {
        grid-template-columns: 1fr;
      }
      .auth-intro {
        padding: 6px 2px;
      }
    }

    .status-modal-backdrop {
      position: fixed;
      inset: 0;
      background: rgba(0, 0, 0, 0.35);
      display: flex;
      align-items: center;
      justify-content: center;
      z-index: 9999;
      padding: 16px;
    }

    .status-modal-card {
      width: min(420px, 100%);
      background: #ffffff;
      border: 1px solid rgba(31, 47, 103, 0.18);
      border-radius: 14px;
      box-shadow: 0 20px 34px rgba(10, 24, 48, 0.25);
      padding: 18px 18px 14px;
      text-align: center;
    }

    .status-modal-card h3 {
      margin: 0 0 8px;
      font-size: 1.2rem;
      color: #1b2446;
    }

    .status-modal-card p {
      margin: 0 0 14px;
      color: #31415f;
      line-height: 1.6;
    }