:root { color-scheme: light; --ink: #17232b; --muted: #566970; --line: #d8e0e3; --accent: #176d73; }
* { box-sizing: border-box; letter-spacing: 0; }
[hidden] { display: none !important; }
body { margin: 0; background: #f4f7f7; color: var(--ink); font: 14px/1.7 "Microsoft YaHei", Arial, sans-serif; }
a { color: var(--accent); text-decoration: none; }
button, input, select { font: inherit; }
button, select { cursor: pointer; }
:focus-visible { outline: 3px solid #c68143; outline-offset: 3px; }
.wrap { width: min(1180px, calc(100% - 48px)); margin: auto; }
header { background: #fff; border-bottom: 1px solid var(--line); }
.top { display: flex; align-items: center; min-height: 68px; gap: 28px; flex-wrap: wrap; padding: 14px 0; }
.brand { border-left: 4px solid var(--accent); padding-left: 12px; color: var(--ink); font: 600 20px "Songti SC", SimSun, serif; }
#userNavContainer { margin-left: auto; }
.mast {
    padding: 38px 0;
    color: #fff;
    background: #203b40 url('/assets/images/hero-background.png') center/cover;
    background-image: image-set(
        url('/assets/images/hero-background-20261022.webp') type('image/webp'),
        url('/assets/images/hero-background.png') type('image/png')
    );
    background-blend-mode: multiply;
}
.crumb, .crumb a { color: #c8d7d8; font-size: 12px; }
h1 { font: 600 34px "Songti SC", SimSun, serif; margin: 14px 0; }
.mast p { color: #d2dfde; }
form { display: flex; max-width: 720px; min-height: 50px; }
form input { flex: 1; min-width: 0; padding: 12px 16px; border: 0; }
form button, #retry { padding: 10px 24px; border: 0; background: var(--accent); color: #fff; }
.catalog { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 30px; padding-top: 34px; padding-bottom: 54px; min-height: 380px; }
aside { border-right: 1px solid var(--line); padding-right: 24px; }
.filter-title { display: flex; justify-content: space-between; }
.filter-title button { border: 0; background: none; color: var(--accent); }
fieldset { border: 0; border-top: 1px solid var(--line); margin: 20px 0 0; padding: 16px 0; }
legend { font-weight: 600; }
label { display: flex; gap: 8px; margin: 10px 0; align-items: center; }
input[type=checkbox] { accent-color: var(--accent); width: 16px; height: 16px; }
.results-head { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; border-bottom: 1px solid var(--line); padding-bottom: 14px; margin-bottom: 16px; }
h2 { font: 600 24px "Songti SC", SimSun, serif; margin: 0; }
#count { color: var(--muted); }
select { margin-left: auto; padding: 6px 10px; background: #fff; border: 1px solid var(--line); max-width: 100%; }
.database { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px; align-items: center; padding: 22px; margin-bottom: 12px; background: #fff; border: 1px solid var(--line); border-radius: 4px; }
.database h3 { font: 600 20px/1.5 "Songti SC", SimSun, serif; margin: 0 0 8px; }
.database p { margin: 0 0 10px; color: var(--muted); overflow-wrap: anywhere; }
.database small { color: var(--muted); }
.access { text-align: right; min-width: 108px; }
.access span { display: block; color: var(--muted); margin-bottom: 10px; }
.enter { display: inline-block; background: var(--accent); color: #fff; padding: 8px 14px; }
footer { padding: 28px 0; background: #203b40; color: #d2dfde; }
footer a { color: #fff; margin-right: 24px; }
@media(max-width:780px) { .wrap { width: calc(100% - 32px); } .top { gap: 16px; } .catalog { grid-template-columns: minmax(0, 1fr); gap: 20px; } aside { border-right: 0; border-bottom: 1px solid var(--line); padding: 0; } fieldset { display: flex; gap: 20px; } }
@media(max-width:480px) { h1 { font-size: 28px; } .database { grid-template-columns: minmax(0, 1fr); gap: 14px; padding: 16px; } .access { display: flex; align-items: center; justify-content: space-between; text-align: left; } .access span { margin: 0; } }