/* ===== 墨韵诗词 · 水墨风格公共样式 ===== */
:root{
    --paper:#f7f3e9;          /* 宣纸米白 */
    --paper-2:#efe8d8;        /* 深一档宣纸 */
    --ink:#2b2b2b;            /* 墨色 */
    --ink-2:#4a4a45;          /* 淡墨 */
    --ink-3:#8a8a83;          /* 灰墨 */
    --cinnabar:#a63b2a;       /* 朱砂红 */
    --cinnabar-d:#8c2f21;
    --line:rgba(43,43,43,.14);
    --serif:"Noto Serif SC","Source Han Serif SC","STSong","SimSun",serif;
    --kai:"Ma Shan Zheng","KaiTi","STKaiti","Kaiti SC",var(--serif);
}
*{margin:0;padding:0;box-sizing:border-box}
body{
    background:var(--paper);
    color:var(--ink);
    font-family:var(--serif);
    font-size:16px;
    line-height:1.8;
    min-height:100vh;
}
a{color:inherit;text-decoration:none}
img{max-width:100%}

/* ---- 山水水墨背景（CSS+SVG，无外部图片） ---- */
/* 注意：不可在 body 上设置 overflow:hidden，否则页面无法滚动 */
.ink-bg{
    position:relative;
}
.ink-bg::before{
    content:"";position:absolute;inset:0;pointer-events:none;z-index:0;
    background:
        radial-gradient(ellipse 55% 38% at 12% 8%, rgba(90,95,90,.10), transparent 60%),
        radial-gradient(ellipse 45% 30% at 88% 12%, rgba(70,75,70,.08), transparent 65%),
        radial-gradient(ellipse 70% 26% at 50% 100%, rgba(60,65,60,.10), transparent 70%);
}
.ink-bg::after{
    content:"";position:absolute;left:0;right:0;top:0;height:340px;pointer-events:none;z-index:0;
    opacity:.5;
    background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='1200' height='340' viewBox='0 0 1200 340'><path d='M0 250 Q150 150 300 220 T600 200 T900 240 T1200 210 V340 H0 Z' fill='%23636a63' opacity='.10'/><path d='M0 290 Q200 210 420 265 T820 270 T1200 255 V340 H0 Z' fill='%23525852' opacity='.12'/><path d='M760 120 q40 -70 90 -30 q50 -55 95 5 q35 -20 55 15 l-8 14 h-240 Z' fill='%23636a63' opacity='.14'/><circle cx='1035' cy='70' r='26' fill='%23a63b2a' opacity='.16'/></svg>");
    background-size:cover;background-position:center bottom;background-repeat:no-repeat;
}
.page{position:relative;z-index:1}

/* ---- 顶部导航 ---- */
.site-header{
    border-bottom:1px solid var(--line);
    background:rgba(247,243,233,.85);
    backdrop-filter:blur(6px);
    position:sticky;top:0;z-index:20;
}
.header-inner{
    max-width:1180px;margin:0 auto;padding:14px 24px;
    display:flex;align-items:center;gap:36px;
}
.logo{display:flex;align-items:center;gap:12px}
.logo-seal{
    width:44px;height:44px;background:var(--cinnabar);color:#fff;
    font-family:var(--kai);font-size:15px;line-height:1.05;
    display:flex;align-items:center;justify-content:center;text-align:center;
    border-radius:6px;box-shadow:2px 2px 0 rgba(43,43,43,.12);
    letter-spacing:1px;
}
.logo-text{font-family:var(--kai);font-size:26px;letter-spacing:6px}
.logo-sub{font-size:12px;color:var(--ink-3);letter-spacing:3px;display:block;margin-top:-4px}
.main-nav{display:flex;gap:30px;margin-left:auto}
.main-nav a{font-size:16px;letter-spacing:2px;color:var(--ink-2);padding:6px 2px;position:relative}
.main-nav a:hover,.main-nav a.active{color:var(--ink)}
.main-nav a.active::after{
    content:"";position:absolute;left:50%;bottom:-2px;width:20px;height:3px;
    background:var(--cinnabar);transform:translateX(-50%);border-radius:2px;
}

/* ---- 通用区块 ---- */
.container{max-width:1180px;margin:0 auto;padding:0 24px}
.section-title{
    font-family:var(--kai);font-size:26px;letter-spacing:4px;
    display:flex;align-items:center;gap:14px;margin:44px 0 22px;
}
.section-title::before{content:"";width:6px;height:26px;background:var(--cinnabar);border-radius:3px}
.section-title .en{font-size:12px;color:var(--ink-3);letter-spacing:2px;font-family:var(--serif);margin-top:8px}

/* ---- 按钮 / 印章 ---- */
.btn{
    display:inline-block;padding:8px 26px;border:1px solid var(--ink);
    background:transparent;color:var(--ink);font-size:15px;letter-spacing:4px;
    cursor:pointer;font-family:var(--serif);transition:.25s;border-radius:2px;
}
.btn:hover{background:var(--ink);color:var(--paper)}
.btn-cinnabar{border-color:var(--cinnabar);color:var(--cinnabar)}
.btn-cinnabar:hover{background:var(--cinnabar);color:#fff}
.btn-sm{padding:4px 14px;font-size:13px;letter-spacing:2px}
.seal{
    display:inline-flex;align-items:center;justify-content:center;
    background:var(--cinnabar);color:#fff;font-family:var(--kai);
    border-radius:5px;box-shadow:1px 1px 0 rgba(43,43,43,.15);
    writing-mode:vertical-rl;text-orientation:upright;
    padding:8px 5px;font-size:14px;letter-spacing:3px;
}

/* ---- 卡片 ---- */
.card{
    background:rgba(255,253,247,.72);
    border:1px solid var(--line);
    border-radius:4px;
    padding:24px;
    position:relative;
    transition:.25s;
}
.card:hover{box-shadow:0 10px 30px rgba(43,43,43,.08);transform:translateY(-2px)}
.card .corner-seal{
    position:absolute;top:14px;right:14px;
    width:26px;height:26px;background:var(--cinnabar);color:#fff;
    font-family:var(--kai);font-size:12px;
    display:flex;align-items:center;justify-content:center;border-radius:4px;opacity:.9;
}

/* ---- 表单 ---- */
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;color:var(--ink-2);margin-bottom:6px;letter-spacing:2px}
.input,.select,.textarea{
    width:100%;padding:9px 12px;font-size:15px;font-family:var(--serif);
    background:#fffcf4;border:1px solid var(--line);border-radius:3px;color:var(--ink);
    outline:none;transition:.2s;
}
.input:focus,.select:focus,.textarea:focus{border-color:var(--cinnabar);box-shadow:0 0 0 2px rgba(166,59,42,.08)}
.textarea{resize:vertical;min-height:90px}

/* ---- 表格 ---- */
.table{width:100%;border-collapse:collapse;font-size:14px}
.table th{
    text-align:left;padding:12px 14px;color:var(--ink-2);font-weight:600;
    border-bottom:2px solid var(--ink);letter-spacing:2px;white-space:nowrap;
}
.table td{padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
.table tr:hover td{background:rgba(166,59,42,.03)}

/* ---- 页脚 ---- */
.site-footer{
    margin-top:70px;border-top:1px solid var(--line);
    padding:34px 0 26px;text-align:center;color:var(--ink-3);font-size:13px;letter-spacing:2px;
    background:linear-gradient(180deg,transparent,rgba(43,43,43,.04));
}
.site-footer .foot-poem{font-family:var(--kai);font-size:18px;color:var(--ink-2);letter-spacing:6px;margin-bottom:10px}

/* ---- 分页 ---- */
.pagination{display:flex;gap:8px;justify-content:center;margin:36px 0}
.pagination a,.pagination .cur{
    min-width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
    border:1px solid var(--line);font-size:14px;color:var(--ink-2);border-radius:3px;padding:0 10px;
}
.pagination .cur{background:var(--cinnabar);border-color:var(--cinnabar);color:#fff}
.pagination a:hover{border-color:var(--cinnabar);color:var(--cinnabar)}

/* ---- 响应式 ---- */
@media (max-width:860px){
    .header-inner{flex-wrap:wrap;gap:14px}
    .main-nav{margin-left:0;gap:18px}
}