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

:root {
    --bg: #eaf4ff;
    --ink: #0f1d2e;
    --muted: #4b647f;
    --accent: #3a8dde;
    --accent-2: #66b6ff;
    --card: #ffffff;
    --shadow: 0 14px 34px rgba(18, 38, 68, 0.14);
}

body {
    font-family: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", sans-serif;
    background:
        radial-gradient(900px 420px at -10% -10%, #d7ecff 0%, transparent 60%),
        radial-gradient(700px 380px at 110% 0%, #cfe6ff 0%, transparent 55%),
        linear-gradient(180deg, #edf5ff 0%, #f6faff 100%);
    color: var(--ink);
    padding: 24px;
    line-height: 1.7;
}

.page {
    max-width: 980px;
    margin: 0 auto;
    display: grid;
    gap: 18px;
}

.hero {
    padding: 26px 22px;
    background: var(--card);
    border-radius: 18px;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
    animation: fadeUp 0.6s ease;
}

.hero::after {
    content: "";
    position: absolute;
    width: 260px;
    height: 260px;
    right: -80px;
    top: -120px;
    background: conic-gradient(from 180deg, #3a8dde, #7fc6ff, #2e5d9a, #3a8dde);
    opacity: 0.12;
    border-radius: 50%;
    filter: blur(2px);
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #2a5c92;
    background: #e6f2ff;
    padding: 6px 10px;
    border-radius: 999px;
    margin-bottom: 10px;
}

.hero h1 {
    font-size: 30px;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.hero__sub {
    color: var(--muted);
    margin-top: 6px;
    font-size: 14px;
}

.hero__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 14px;
}

.hero__meta span {
    font-size: 12px;
    padding: 6px 10px;
    border: 1px solid #d8e9ff;
    border-radius: 999px;
    color: #3e5f81;
    background: #f1f8ff;
}

.panel {
    background: var(--card);
    border-radius: 16px;
    box-shadow: var(--shadow);
    padding: 16px 18px;
    animation: fadeUp 0.6s ease;
}

.panel__title {
    font-size: 14px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #2a5c92;
    margin-bottom: 10px;
}

.panel__body {
    display: grid;
    gap: 12px;
}

.picker {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.dropzone {
    border: 2px dashed #c7dcf5;
    border-radius: 12px;
    padding: 22px;
    text-align: center;
    background: #f2f8ff;
    transition: transform 0.2s ease, border-color 0.2s ease;
    cursor: pointer;
}

.dropzone:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.dropzone input {
    display: none;
}

.dropzone__title {
    font-weight: 600;
}

.dropzone__hint {
    color: var(--muted);
    font-size: 13px;
    margin-top: 6px;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.stats--four {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.stat {
    padding: 12px;
    background: #edf5ff;
    border-radius: 10px;
    text-align: center;
    border: 1px solid #d8e9ff;
    min-height: 96px;
    display: grid;
    align-content: center;
    gap: 4px;
}

.stat__label {
    /*font-size: 12px;*/
    font-weight: 600;
    color: var(--muted);
}

.stat__value {
    font-size: 22px;
    font-weight: 700;
    margin-top: 4px;
}

.stat--action {
    cursor: pointer;
    transition: transform 0.15s ease, border-color 0.15s ease;
}

.stat--action:hover {
    transform: translateY(-1px);
    border-color: #9ecbff;
}

.stat--action input {
    display: none;
}

.stat--action .stat__value {
    font-size: 14px;
    color: #2f5d92;
    font-weight: 600;
}

.stat__value--cta {
    font-size: 14px;
    color: #2f5d92;
    font-weight: 600;
}

.grid .panel__body {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.field {
    display: grid;
    gap: 6px;
}

.field label {
    font-size: 12px;
    color: var(--muted);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

input[type="number"],
input[type="text"] {
    border: 1px solid #cfe3fb;
    border-radius: 10px;
    padding: 10px 12px;
    background: #f8fbff;
}

.fixed {
    border: 1px solid #cfe3fb;
    border-radius: 10px;
    padding: 10px 12px;
    background: #f8fbff;
    color: #375678;
}

.progress {
    display: grid;
    gap: 6px;
}

.progress__label {
    font-size: 12px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.progress__bar {
    height: 12px;
    border-radius: 999px;
    background: #e0edf9;
    overflow: hidden;
}

.progress__fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--accent), #8fd0ff);
    transition: width 0.2s ease;
}

.progress__text {
    font-size: 13px;
    color: var(--muted);
}

.log {
    max-height: 160px;
    overflow: auto;
    padding: 10px 12px;
    background: #f5faff;
    border: 1px solid #dbe9fb;
    border-radius: 10px;
    font-size: 12px;
}

.actions {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 10px;
}

.btn {
    padding: 12px 14px;
    border-radius: 12px;
    border: none;
    background: var(--accent);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    box-shadow: 0 8px 18px rgba(58, 141, 222, 0.35);
}

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

.btn--ghost {
    background: #eaf3ff;
    color: #355a7a;
    box-shadow: none;
}

.panel--note {
    background: #f2f8ff;
    border: 1px solid #d9e9fb;
}

.tips {
    color: #526e8a;
    font-size: 13px;
    line-height: 1.7;
}

@media (max-width: 920px) {
    .grid .panel__body {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    body {
        padding: 14px;
    }
    .hero h1 {
        font-size: 22px;
    }
    .stats {
        grid-template-columns: 1fr;
    }
    .stats--four {
        grid-template-columns: 1fr;
    }
    .grid .panel__body {
        grid-template-columns: 1fr;
    }
    .actions {
        grid-template-columns: 1fr;
    }
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}