* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
}

body {
    color: #14324a;
    font-family: "Avenir Next", "PingFang SC", "Hiragino Sans GB", "Segoe UI", sans-serif;
    background:
        radial-gradient(ellipse 70% 42% at 50% 108%, rgba(134, 214, 168, 0.45), transparent 62%),
        radial-gradient(ellipse 48% 32% at 50% 18%, rgba(186, 214, 255, 0.45), transparent 70%),
        linear-gradient(180deg, #f7fbff 0%, #ffffff 42%, #f3fbf6 100%);
}

[hidden] {
    display: none !important;
}

.page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 24px 36px;
    text-align: center;
}

.logo {
    width: 92px;
    height: 92px;
    object-fit: cover;
    border-radius: 24px;
    filter: drop-shadow(0 14px 18px rgba(16, 42, 84, 0.22));
}

h1 {
    margin: 28px 0 0;
    font-size: 30px;
    line-height: 1.25;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: #1c6b34;
}

.lead {
    margin: 12px 0 0;
    font-size: 16px;
    line-height: 1.5;
    color: #3d8f52;
}

.actions {
    position: relative;
    width: min(292px, 100%);
    margin-top: 36px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.actions::before {
    content: "";
    position: absolute;
    left: -28px;
    right: -28px;
    top: -18px;
    bottom: -22px;
    background: radial-gradient(ellipse at center, rgba(126, 224, 164, 0.72), rgba(126, 224, 164, 0) 72%);
    filter: blur(6px);
    z-index: 0;
}

.btn {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 54px;
    border: 0;
    border-radius: 16px;
    color: #fff;
    background: linear-gradient(180deg, #16325a 0%, #0c2344 100%);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.16),
        0 10px 18px rgba(12, 35, 68, 0.16);
    font: 600 17px/54px "Avenir Next", "PingFang SC", "Segoe UI", sans-serif;
    letter-spacing: 0.01em;
    cursor: pointer;
}

.btn:hover {
    background: linear-gradient(180deg, #1b3d6e 0%, #102a52 100%);
}

.btn:active {
    transform: translateY(1px);
}

.notice {
    width: min(320px, 100%);
    margin-top: 36px;
    padding: 22px 20px 20px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(180, 83, 9, 0.16);
    box-shadow: 0 16px 40px rgba(120, 53, 15, 0.08);
}

.notice strong {
    display: block;
    font-size: 18px;
    color: #9a3412;
}

.notice span {
    display: block;
    margin-top: 8px;
    font-size: 14px;
    line-height: 1.55;
    color: #7c5a45;
}

.hint {
    width: min(460px, 100%);
    margin: 34px 0 0;
    font-size: 14px;
    line-height: 1.6;
    color: #1e3a5f;
}

.copy {
    margin-top: auto;
    padding-top: 48px;
    font-size: 14px;
    color: #8aa0b8;
}

.toast {
    position: fixed;
    left: 50%;
    bottom: 28px;
    transform: translateX(-50%) translateY(8px);
    padding: 10px 14px;
    border-radius: 999px;
    background: #14324a;
    color: #fff;
    font-size: 13px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

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