/* 梅子素材网 前端样式 */
:root{--primary:#5b4bff;--primary2:#8b5cf6;--accent:#ff6b35;--text:#222;--muted:#888;--bg:#f6f7fb;--radius:14px}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);background:var(--bg)}
a{text-decoration:none;color:inherit}
img{max-width:100%}
.container{max-width:1280px;margin:0 auto;padding:0 20px}

/* 顶部导航 */
.topbar{background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.06);position:sticky;top:0;z-index:100}
.topbar .container{display:flex;align-items:center;gap:30px;height:64px}
.logo{font-size:24px;font-weight:800;background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.nav{display:flex;gap:24px;font-size:15px}
.nav a{color:#444}.nav a:hover,.nav a.on{color:var(--primary);font-weight:600}
.top-right{margin-left:auto;display:flex;gap:14px;align-items:center;font-size:14px}
.btn{display:inline-block;padding:8px 22px;border-radius:22px;background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;font-size:14px;border:none;cursor:pointer}
.btn:hover{opacity:.9}
.btn-orange{background:linear-gradient(135deg,#ff6b35,#ff9350)}
.btn-line{background:#fff;color:var(--primary);border:1px solid var(--primary)}
.btn-big{padding:12px 40px;font-size:16px;border-radius:26px}

/* Hero */
.hero{background:linear-gradient(120deg,#4f3ff0 0%,#7b5cff 45%,#ff7a45 120%);padding:70px 0 90px;text-align:center;color:#fff;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 30%,rgba(255,255,255,.15),transparent 40%),radial-gradient(circle at 80% 70%,rgba(255,255,255,.12),transparent 40%)}
.hero h1{font-size:42px;margin-bottom:12px;position:relative}
.hero p{opacity:.9;margin-bottom:34px;font-size:17px;position:relative}
.search-box{position:relative;max-width:640px;margin:0 auto;display:flex;background:#fff;border-radius:30px;overflow:hidden;box-shadow:0 10px 30px rgba(0,0,0,.18)}
.search-box input{flex:1;border:none;padding:15px 24px;font-size:15px;outline:none}
.search-box button{border:none;padding:0 34px;background:linear-gradient(135deg,var(--accent),#ff9350);color:#fff;font-size:16px;cursor:pointer}

/* 分类筛选条 */
.filter-card{background:#fff;border-radius:var(--radius);padding:18px 24px;margin:-40px auto 24px;max-width:1240px;box-shadow:0 6px 24px rgba(0,0,0,.08);position:relative;z-index:5}
.filter-row{display:flex;margin-bottom:10px;font-size:14px;align-items:baseline}
.filter-row:last-child{margin-bottom:0}
.filter-label{color:var(--muted);width:56px;flex-shrink:0}
.filter-items{display:flex;flex-wrap:wrap;gap:8px}
.filter-items a{padding:4px 14px;border-radius:16px;color:#555}
.filter-items a:hover{color:var(--primary)}
.filter-items a.on{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff}

/* 素材网格 */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:10px 0 40px}
@media(max-width:1000px){.grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:700px){.grid{grid-template-columns:repeat(2,1fr)}}
.card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 3px 12px rgba(0,0,0,.06);transition:.25s}
.card:hover{transform:translateY(-5px);box-shadow:0 12px 28px rgba(0,0,0,.12)}
.card .thumb{height:190px;background:#eef0f6 center/cover no-repeat;display:block}
.card .info{padding:12px 14px}
.card .title{font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.card .meta{display:flex;justify-content:space-between;color:var(--muted);font-size:12px;margin-top:8px}
.badge{display:inline-block;font-size:11px;padding:2px 8px;border-radius:10px;background:#fff3ec;color:var(--accent)}
.badge.free{background:#e8fff1;color:#0aa85c}

/* 区块标题 */
.section-head{display:flex;align-items:baseline;gap:14px;margin:34px 0 18px}
.section-head h2{font-size:24px}
.section-head .more{margin-left:auto;color:var(--muted);font-size:13px}

/* 详情页 */
.detail-wrap{display:flex;gap:30px;background:#fff;border-radius:var(--radius);padding:28px;margin-top:24px}
.detail-cover{width:460px;height:320px;border-radius:12px;background:#eef0f6 center/cover no-repeat;flex-shrink:0}
.detail-info h1{font-size:24px;margin-bottom:14px}
.detail-meta{color:var(--muted);font-size:13px;line-height:2}
.price-line{font-size:28px;color:var(--accent);font-weight:700;margin:16px 0}
.doc-preview{width:100%;height:640px;border:1px solid #eee;border-radius:12px;margin-top:20px}

/* 表格/表单 */
.panel{background:#fff;border-radius:var(--radius);padding:26px;box-shadow:0 3px 12px rgba(0,0,0,.05)}
.form-row{margin-bottom:16px}
.form-row label{display:block;font-size:14px;margin-bottom:6px;color:#555}
.form-row input,.form-row select,.form-row textarea{width:100%;padding:10px 14px;border:1px solid #ddd;border-radius:8px;font-size:14px;outline:none}
.form-row input:focus{border-color:var(--primary)}
table.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th,.tbl td{padding:12px 14px;border-bottom:1px solid #f0f0f0;text-align:left}
.tbl th{background:#fafbfe;color:#666}
.status-pending{color:#e6a23c}.status-paid{color:#0aa85c}.status-shipped{color:#5b4bff}.status-done{color:#888}.status-cancel{color:#f56c6c}

/* 页脚 */
.footer{background:#23233a;color:#aab;margin-top:60px;padding:44px 0;text-align:center;font-size:13px}
.footer .logo{font-size:20px;margin-bottom:10px;display:inline-block}

.flash{max-width:1240px;margin:16px auto;padding:12px 20px;border-radius:10px;font-size:14px}
.flash.ok{background:#e8fff1;color:#0aa85c}.flash.err{background:#fff0f0;color:#f56c6c}
.empty{text-align:center;color:var(--muted);padding:60px 0}
.cart-row{display:flex;align-items:center;gap:16px;padding:14px 0;border-bottom:1px solid #f0f0f0}
.cart-row img{width:80px;height:60px;object-fit:cover;border-radius:8px}
.level-card{border:2px solid #eee;border-radius:16px;padding:26px;text-align:center;transition:.25s;background:#fff}
.level-card:hover{border-color:var(--primary);transform:translateY(-4px)}
.level-card .lv-price{font-size:34px;color:var(--accent);font-weight:800;margin:12px 0}
.level-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin:24px 0}