:root {
    --ink: #16201a;
    --muted: #647066;
    --paper: #f6f1e6;
    --line: rgba(22, 32, 26, 0.14);
    --shadow: 0 30px 80px rgba(45, 54, 44, 0.16);
    --accent: #ff7aa2;
    --accent-deep: #d4557d;
    --blue: #245ea8;
}

* { box-sizing: border-box; }

body {
    min-height: 100vh;
    margin: 0;
    color: var(--ink);
    font-family: "Microsoft YaHei", "微软雅黑", sans-serif;
    background:
        radial-gradient(circle at 12% 18%, rgba(255, 122, 162, 0.22), transparent 28%),
        radial-gradient(circle at 82% 12%, rgba(38, 122, 255, 0.17), transparent 30%),
        linear-gradient(135deg, #f8f0df 0%, #edf3e6 52%, #e7efe8 100%);
}

body::before {
    position: fixed;
    inset: 0;
    pointer-events: none;
    content: "";
    background-image:
        linear-gradient(rgba(22, 32, 26, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(22, 32, 26, 0.05) 1px, transparent 1px);
    background-size: 46px 46px;
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), transparent 82%);
}

.page-shell {
    width: min(1400px, calc(100% - 32px));
    margin: 0 auto;
    padding: 20px 0 100px;
    position: relative;
}

.top-bar {
    display: flex;
    align-items: center;
    margin-bottom: 28px;
}

.back-link {
    width: 38px;
    height: 38px;
    display: inline-grid;
    place-items: center;
    color: #9a5c17;
    border: 1px solid #9a5c17;
    border-radius: 999px;
    background: rgba(255, 252, 243, 0.72);
    font-size: 22px;
    font-weight: 800;
    line-height: 1;
    text-decoration: none;
    flex-shrink: 0;
}

.back-link:hover,
.back-link:focus-visible {
    background: rgba(255, 252, 243, 0.92);
    outline: none;
}

.page-title {
    flex: 1;
    margin: 0;
    font-size: 1.8em;
    font-weight: 800;
    letter-spacing: -0.03em;
    text-align: center;
}

.category-section {
    margin-bottom: 36px;
}

.category-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
}

.category-title {
    font-size: 1.5em;
    font-weight: 800;
    margin: 0;
    padding-left: 12px;
    border-left: 4px solid var(--accent);
    color: var(--ink);
}

.cat-count {
    color: var(--muted);
    font-size: 0.9em;
    font-weight: bold;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 3px 14px;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.assessment-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    text-decoration: none;
    color: #fff;
    transition: transform 220ms ease, box-shadow 220ms ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 180px;
    background-size: cover;
    background-position: center;
    box-shadow: 0 22px 55px rgba(45, 54, 44, 0.20);
}

.assessment-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.55) 0%, rgba(0, 0, 0, 0.25) 50%, rgba(0, 0, 0, 0.15) 100%);
    z-index: 1;
}

.assessment-card:hover,
.assessment-card:focus-visible {
    transform: translateY(-6px);
    box-shadow: 0 34px 80px rgba(45, 54, 44, 0.28);
    outline: none;
}

.assessment-card:hover::before {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.45) 0%, rgba(0, 0, 0, 0.20) 50%, rgba(0, 0, 0, 0.10) 100%);
}

.card-title {
    position: relative;
    z-index: 2;
    font-size: 18px;
    font-weight: 800;
    padding: 16px 18px;
    color: #fff;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.card-meta {
    position: relative;
    z-index: 2;
    font-size: 12px;
    font-weight: 600;
    padding: 12px 18px;
    color: rgba(255, 255, 255, 0.85);
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
    border-top: 1px solid rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(4px);
    background: rgba(0, 0, 0, 0.15);
}

.card-iq {
    background-image: linear-gradient(135deg, #4f8cff 0%, #245ea8 100%), url('https://laoguo-caiji.oss-cn-beijing.aliyuncs.com//ceping/banner/1965_a5b5a39519.jpg');
    background-blend-mode: overlay;
}

.card-eq {
    background-image: linear-gradient(135deg, #66c28a 0%, #3a8f5e 100%), url('https://laoguo-caiji.oss-cn-beijing.aliyuncs.com//ceping/banner/117_77cae0d169.jpg');
    background-blend-mode: overlay;
}

.card-raven {
    background-image: linear-gradient(135deg, #4f8cff 0%, #1a3a6e 100%), url('https://laoguo-caiji.oss-cn-beijing.aliyuncs.com//ceping/banner/1963_cf6d2e3444.jpg');
    background-blend-mode: overlay;
}

.card-strength {
    background-image: linear-gradient(135deg, #ffb84d 0%, #e8832a 100%), url('https://laoguo-caiji.oss-cn-beijing.aliyuncs.com//ceping/banner/1962_068e6183fb.jpg');
    background-blend-mode: overlay;
}

.card-mbti {
    background-image: linear-gradient(135deg, #ff7aa2 0%, #d4557d 100%), url('https://laoguo-caiji.oss-cn-beijing.aliyuncs.com//ceping/banner/1978_986913388e.jpg');
    background-blend-mode: overlay;
}

.card-disc {
    background-image: linear-gradient(135deg, #ffb84d 0%, #c47a15 100%), url('https://laoguo-caiji.oss-cn-beijing.aliyuncs.com//ceping/banner/64_31a320896c.jpg');
    background-blend-mode: overlay;
}

.card-bigfive {
    background-image: linear-gradient(135deg, #9b6cff 0%, #6d45c4 100%), url('https://laoguo-caiji.oss-cn-beijing.aliyuncs.com//ceping/banner/1937_a132abb71d.jpg');
    background-blend-mode: overlay;
}

.card-ie {
    background-image: linear-gradient(135deg, #0ea5e9 0%, #0284c7 100%), url('https://laoguo-caiji.oss-cn-beijing.aliyuncs.com//ceping/banner/95_81ef2a441b.jpg');
    background-blend-mode: overlay;
}

.card-foxi {
    background-image: linear-gradient(135deg, #10b981 0%, #059669 100%), url('https://laoguo-caiji.oss-cn-beijing.aliyuncs.com//ceping/banner/89_fd0bd30ed8.jpg');
    background-blend-mode: overlay;
}

.card-taohao {
    background-image: linear-gradient(135deg, #f472b6 0%, #c026d3 100%), url('https://laoguo-caiji.oss-cn-beijing.aliyuncs.com//ceping/banner/90_af4787891a.jpg');
    background-blend-mode: overlay;
}

.card-dark {
    background-image: linear-gradient(135deg, #4b5563 0%, #1f2937 100%), url('https://laoguo-caiji.oss-cn-beijing.aliyuncs.com//ceping/banner/67_d591ebec1a.jpg');
    background-blend-mode: overlay;
}

.card-npd {
    background-image: linear-gradient(135deg, #f59e0b 0%, #d97706 100%), url('https://laoguo-caiji.oss-cn-beijing.aliyuncs.com//ceping/banner/72_c01317d015.jpg');
    background-blend-mode: overlay;
}

.card-apd {
    background-image: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%), url('https://laoguo-caiji.oss-cn-beijing.aliyuncs.com//ceping/banner/73_6b8cb8de16.jpg');
    background-blend-mode: overlay;
}

.card-ppd {
    background-image: linear-gradient(135deg, #ef4444 0%, #dc2626 100%), url('https://laoguo-caiji.oss-cn-beijing.aliyuncs.com//ceping/banner/74_b82c4c0a4e.jpg');
    background-blend-mode: overlay;
}

.card-dpd {
    background-image: linear-gradient(135deg, #ec4899 0%, #db2777 100%), url('https://laoguo-caiji.oss-cn-beijing.aliyuncs.com//ceping/banner/76_2a53bd835c.jpg');
    background-blend-mode: overlay;
}

.card-holland {
    background-image: linear-gradient(135deg, #66c28a 0%, #1a7a4a 100%), url('https://laoguo-caiji.oss-cn-beijing.aliyuncs.com//ceping/banner/1975_9375be9ce1.jpg');
    background-blend-mode: overlay;
}

.card-relation {
    background-image: linear-gradient(135deg, #ff7aa2 0%, #c0392b 100%), url('https://laoguo-caiji.oss-cn-beijing.aliyuncs.com//ceping/banner/115_0b5f34f3a1.jpg');
    background-blend-mode: overlay;
}

.card-ocd {
    background-image: linear-gradient(135deg, #a855f7 0%, #7e22ce 100%), url('https://laoguo-caiji.oss-cn-beijing.aliyuncs.com//ceping/banner/24_07cb60b348.jpg');
    background-blend-mode: overlay;
}

.card-stress {
    background-image: linear-gradient(135deg, #7fb86b 0%, #4a7a3a 100%), url('https://laoguo-caiji.oss-cn-beijing.aliyuncs.com//ceping/banner/1979_50c774c2ea.jpg');
    background-blend-mode: overlay;
}

.card-adhd {
    background-image: linear-gradient(135deg, #f97316 0%, #ea580c 100%), url('https://laoguo-caiji.oss-cn-beijing.aliyuncs.com//ceping/banner/143_1fcb7a79f8.jpg');
    background-blend-mode: overlay;
}

.card-training {
    background-image: linear-gradient(135deg, #245ea8 0%, #16201a 100%), url('https://laoguo-caiji.oss-cn-beijing.aliyuncs.com//ceping/banner/32_3281842d33.jpg');
    background-blend-mode: overlay;
}

@media (max-width: 820px) {
    .page-shell {
        width: min(100% - 28px, 640px);
        padding: 36px 0;
    }
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }
    .assessment-card {
        min-height: 140px;
    }
    .card-title {
        font-size: 15px;
        padding: 12px 14px;
    }
    .card-meta {
        font-size: 11px;
        padding: 10px 14px;
    }
}

@media (max-width: 480px) {
    .card-grid {
        grid-template-columns: 1fr;
    }
}