/* ============ 功能清单页面 ============ */

.features-section {
    position: relative;
    padding: 84px 0 100px;
    overflow: hidden;
    background:
        radial-gradient(circle at 14% 18%, rgba(222, 232, 250, 0.75) 0 130px, transparent 131px),
        radial-gradient(circle at 86% 24%, rgba(222, 232, 250, 0.6) 0 150px, transparent 151px),
        linear-gradient(180deg, #ffffff 0%, #f5f9ff 100%);
}

.features-heading {
    text-align: center;
    margin-bottom: 56px;
}

.features-heading__eyebrow {
    display: inline-flex;
    align-items: center;
    min-height: 38px;
    margin: 0;
    padding: 0 22px;
    border: 1px solid #d8e5ff;
    border-radius: 999px;
    background: #edf4ff;
    box-shadow: inset 0 0 0 4px rgba(232, 240, 255, 0.72);
    color: #2473f4;
    font-size: 16px;
    font-weight: 700;
}

.features-heading h2 {
    margin: 30px 0 0;
    color: #10234a;
    font-size: 42px;
    font-weight: 800;
    line-height: 1.35;
}

.features-heading h2 span {
    color: #2478ff;
}

.features-heading > p:last-child {
    margin: 18px 0 0;
    color: #5d6f8f;
    font-size: 17px;
}

/* ---------- 三端表格面板 ---------- */

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
    align-items: start;
}

.features-panel {
    overflow: hidden;
    border: 1px solid rgba(223, 233, 248, 0.95);
    border-radius: 18px;
    background: #ffffff;
    box-shadow: 0 18px 42px rgba(84, 117, 167, 0.09);
}

.features-panel__head {
    padding: 26px 28px 22px;
    color: #ffffff;
}

.features-panel__head h3 {
    margin: 0;
    font-size: 24px;
    font-weight: 800;
}

.features-panel__head p {
    margin: 10px 0 0;
    color: rgba(255, 255, 255, 0.88);
    font-size: 13px;
    line-height: 1.6;
}

.features-panel--blue .features-panel__head {
    background: linear-gradient(135deg, #165DFC 0%, #4d8dff 100%);
}

.features-panel--green .features-panel__head {
    background: linear-gradient(135deg, #16a26b 0%, #2fc98a 100%);
}

.features-panel--orange .features-panel__head {
    background: linear-gradient(135deg, #f59a3d 0%, #ffb35c 100%);
}

/* ---------- 表格行 ---------- */

.features-panel__body {
    padding: 6px 0;
}

.features-row {
    display: grid;
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 14px;
    padding: 14px 20px;
    border-bottom: 1px solid #eef3fb;
    transition: background-color 0.2s ease;
}

.features-row:last-child {
    border-bottom: none;
}

.features-row:nth-child(even) {
    background: #fafcff;
}

.features-row:hover {
    background: #f3f8ff;
}

.features-row__label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #13336b;
    font-size: 15px;
    font-weight: 700;
    white-space: nowrap;
}

.features-row__index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
    padding: 0 5px;
    border-radius: 6px;
    background: #e8f0ff;
    color: #165DFC;
    font-size: 11px;
    font-weight: 700;
}

.features-panel--green .features-row__index {
    background: #e6f7ef;
    color: #16a26b;
}

.features-panel--orange .features-row__index {
    background: #fff3e4;
    color: #f59a3d;
}

.features-row__items {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-content: flex-start;
}

/* ---------- 功能标签 ---------- */

.features-chip {
    display: inline-flex;
    align-items: center;
    padding: 5px 12px;
    border: 1px solid #e3ecfb;
    border-radius: 8px;
    background: #f7faff;
    color: #3f5278;
    font-size: 13px;
    line-height: 1.5;
    white-space: nowrap;
}

.features-chip--parent {
    flex-wrap: wrap;
    gap: 6px;
    padding: 5px 8px 5px 12px;
    border-style: dashed;
    background: #ffffff;
}

.features-chip__name {
    color: #13336b;
    font-weight: 700;
}

.features-chip__children {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 6px;
}

.features-chip__child {
    padding: 2px 8px;
    border-radius: 6px;
    background: #eef4ff;
    color: #4a6db3;
    font-size: 12px;
    line-height: 1.6;
}

.features-panel--green .features-chip {
    border-color: #d9f2e6;
    background: #f4fbf7;
}

.features-panel--green .features-chip--parent {
    background: #ffffff;
}

.features-panel--green .features-chip__child {
    background: #e6f7ef;
    color: #2d8f60;
}

.features-panel--orange .features-chip {
    border-color: #fbe9d2;
    background: #fffaf3;
}

.features-panel--orange .features-chip--parent {
    background: #ffffff;
}

.features-panel--orange .features-chip__child {
    background: #fff3e4;
    color: #b5712d;
}

/* ---------- 响应式 ---------- */

@media (max-width: 1100px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .features-section {
        padding: 56px 0 64px;
    }

    .features-heading {
        margin-bottom: 40px;
    }

    .features-heading h2 {
        font-size: 30px;
    }

    .features-row {
        grid-template-columns: 1fr;
        gap: 8px;
        padding: 14px 16px;
    }

    .features-row__label {
        font-size: 14px;
    }

    .features-panel__head {
        padding: 22px 20px 18px;
    }
}