@charset "UTF-8";
.xy-hero {
    position: relative;
    overflow: hidden;
    padding: 60px 0 92px;
    color: var(--xy-text);
    background-color: #F5F9FF;
    background-image: radial-gradient(90% 140% at 82% 0%, rgba(21, 96, 236, .12) 0%, rgba(21, 96, 236, 0) 62%),
    radial-gradient(70% 120% at 8% 100%, rgba(74, 139, 245, .10) 0%, rgba(74, 139, 245, 0) 60%);
}
.xy-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(15, 23, 42, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, .05) 1px, transparent 1px);
    background-size: 52px 52px;
    -webkit-mask-image: radial-gradient(72% 72% at 50% 42%, #000 0%, transparent 100%);
    mask-image: radial-gradient(72% 72% at 50% 42%, #000 0%, transparent 100%);
    pointer-events: none;
}
.xy-hero__inner {
    position: relative;
    z-index: 1;
}
.xy-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 22px;
    padding: 6px 14px;
    font-size: .76rem;
    font-weight: 600;
    letter-spacing: .04em;
    color: var(--xy-blue-d);
    background: rgba(21, 96, 236, .08);
    border: 1px solid rgba(21, 96, 236, .22);
    border-radius: 999px;
}
.xy-hero h1 {
    margin: 0 0 16px;
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -.02em;
}
.xy-hero h1 span {
    background: linear-gradient(90deg, var(--xy-blue) 0%, #4A8BF5 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: var(--xy-blue);
}
.xy-hero p {
    margin: 0;
    font-size: 1rem;
    line-height: 1.85;
    color: var(--xy-mute);
}
.xy-hero__stats {
    display: flex;
    gap: 44px;
    flex-wrap: wrap;
    margin-top: 36px;
}
.xy-hero__stat b {
    display: block;
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -.01em;
    color: var(--xy-text);
}
.xy-hero__stat span {
    font-size: .8rem;
    color: var(--xy-blue);
}
/* ==========================================================================
   工具搜索
   ========================================================================== */
.xy-filterwrap {
    position: relative;
    z-index: 5;
    margin-top: -46px;
}
.xy-filter {
    display: flex;
    align-items: center;
    gap: 12px;
    max-width: 720px;
    margin: 0 auto;
    padding: 6px 8px 6px 18px;
    background: #fff;
    border: 1px solid var(--xy-line);
    border-radius: var(--xy-r-lg);
    box-shadow: 0 18px 40px rgba(15, 23, 42, .10);
}
.xy-filter > i {
    font-size: 15px;
    color: var(--xy-mute-2);
}
.xy-filter input {
    flex: 1;
    min-width: 0;
    padding: 10px 0;
    font-family: inherit;
    font-size: .95rem;
    color: var(--xy-text);
    background: transparent;
    border: none;
    outline: none;
}
.xy-filter input::placeholder {
    color: var(--xy-mute-2);
}
.xy-filter__hint {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    flex-shrink: 0;
    padding: 5px 12px;
    font-size: .74rem;
    white-space: nowrap;
    color: var(--xy-mute);
    background: var(--xy-bg-sink);
    border-radius: 999px;
}
/* ==========================================================================
   工具卡片
   注意：首页的 .xy-card 是「卡片链接」，与工具页的 .xy-card「白色面板」是两个组件，
        两者不会同时加载，故共用类名。
   ========================================================================== */
.xy-tools {
    padding-top: 20px;
}
.xy-sec-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}
.xy-sec-head h2 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: -.01em;
}
.xy-sec-head h2::before {
    content: "";
    width: 4px;
    height: 18px;
    border-radius: 999px;
    background: #ff0000;
}
.xy-sec-head p {
    margin: 4px 0 0;
    font-size: .85rem;
    color: var(--xy-mute);
}
.xy-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}
.xy-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 18px 16px 16px;
    color: inherit;
    background: #fff;
    border: 1px solid var(--xy-line);
    overflow: hidden;
    transition: transform var(--xy-ease), border-color var(--xy-ease), box-shadow var(--xy-ease), background-color var(--xy-ease);
}
/* 顶部品牌蓝渐变细线：hover 时浮现 */
.xy-card::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--xy-blue), #8CB8FB);
    opacity: 0;
    transition: opacity var(--xy-ease);
}
.xy-card:hover {
    transform: translateY(-3px);
    color: inherit;
    border-color: var(--xy-blue-line);
    background: #FBFDFF;
    box-shadow: 0 14px 30px rgba(15, 23, 42, .09);
}
.xy-card:hover::after {
    opacity: 1;
}
.xy-card__head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}
.xy-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    flex-shrink: 0;
    font-size: 16px;
    color: #fff;
    background: linear-gradient(160deg, #2F79F0, var(--xy-blue));
    border-radius: 11px;
    box-shadow: 0 4px 10px rgba(21, 96, 236, .24);
    transition: transform var(--xy-ease);
}
.xy-card:hover .xy-card__icon {
    transform: scale(1.08) rotate(-3deg);
}
/* 四张卡片图标各配一个色系，页面更有层次 */
.xy-grid .xy-card:nth-child(4n+2) .xy-card__icon {
    background: linear-gradient(160deg, #8B5CF6, #6D28D9);
    box-shadow: 0 4px 10px rgba(109, 40, 217, .22);
}
.xy-grid .xy-card:nth-child(4n+3) .xy-card__icon {
    background: linear-gradient(160deg, #2DD4BF, #0D9488);
    box-shadow: 0 4px 10px rgba(13, 148, 136, .22);
}
.xy-grid .xy-card:nth-child(4n+4) .xy-card__icon {
    background: linear-gradient(160deg, #FBA94C, #EA580C);
    box-shadow: 0 4px 10px rgba(234, 88, 12, .22);
}
.xy-card h3 {
    margin: 0;
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.35;
    letter-spacing: -.01em;
}
.xy-card p {
    margin: 0;
    flex: 1;
    font-size: .84rem;
    line-height: 1.7;
    color: var(--xy-mute);
    /* 描述最多两行，保证卡片高度紧凑一致 */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.xy-card__tags {
    display: flex;
    flex-wrap: nowrap;
    gap: 6px;
    margin-top: 12px;
    overflow: hidden;
}
.xy-card__tags span {
    flex-shrink: 0;
    padding: 3px 8px;
    font-size: .7rem;
    color: var(--xy-mute);
    background: var(--xy-bg-soft);
    border: 1px solid var(--xy-line);
    border-radius: var(--xy-r-xs);
}
.xy-card__go {
    position: absolute;
    top: 17px;
    right: 15px;
    font-size: .72rem;
    color: var(--xy-blue);
    opacity: 0;
    transform: translateX(-4px);
    transition: opacity var(--xy-ease), transform var(--xy-ease);
}
.xy-card__go b {
    font-weight: 400;
}
.xy-card:hover .xy-card__go {
    opacity: 1;
    transform: none;
}
/* 宽屏四列卡片较窄：hover 只显示箭头，避免与长标题重叠 */
@media (min-width: 1081px) {
    .xy-card__go b {
        display: none;
    }
}
.xy-promo {
    margin-top: 10px;
}
/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1080px) {
    .xy-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 640px) {
    .xy-hero {
        padding: 44px 0 76px;
    }
    .xy-hero h1 {
        font-size: 1.72rem;
    }
    .xy-hero p {
        font-size: .92rem;
    }
    .xy-hero__stats {
        gap: 28px;
        margin-top: 30px;
    }
    .xy-hero__stat b {
        font-size: 1.4rem;
    }
    .xy-filterwrap {
        margin-top: -38px;
    }
    .xy-filter {
        padding: 4px 6px 4px 14px;
    }
    .xy-filter__hint {
        display: none;
    }
    .xy-tools {
        padding-top: 10px;
    }
    .xy-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .xy-card {
        padding: 16px 15px 14px;
    }
    /* 移动端宽度充裕，描述放宽到三行 */
    .xy-card p {
        -webkit-line-clamp: 3;
    }
    .xy-card__tags {
        flex-wrap: wrap;
    }
}