/* ============================================================
   造浪资本 Wavemaker Capital — 设计系统（两语共用）
   暖纸白底 / 墨色 / 朱砂红 #A6442E / 古铜金 #A88A5B
   中式留白 + 印章元素 + 发丝线 + 浅色玻璃拟态
   ============================================================ */

:root {
    --wm-bg: #FAF9F6;
    --wm-surface: #FFFFFF;
    --wm-ink: #1D1B18;
    --wm-muted: #6E675E;
    --wm-line: #E7E2D9;
    --wm-accent: #A6442E;
    --wm-accent-soft: rgba(166, 68, 46, 0.08);
    --wm-gold: #A88A5B;
    --wm-gold-soft: rgba(168, 138, 91, 0.12);
    --wm-serif: 'Noto Serif SC', 'Songti SC', serif;
    --wm-sans: 'Inter', 'PingFang SC', system-ui, sans-serif;
    --wm-mono: 'IBM Plex Mono', monospace;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--wm-bg);
    color: var(--wm-ink);
    font-family: var(--wm-sans);
    /* 极浅几何网格 / 宣纸纹理（透明度 <5%） */
    background-image:
        linear-gradient(rgba(29, 27, 24, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(29, 27, 24, 0.025) 1px, transparent 1px);
    background-size: 56px 56px;
    -webkit-font-smoothing: antialiased;
}

/* ---------- 字体工具 ---------- */
.font-serif-wm { font-family: var(--wm-serif); }
.font-mono-wm  { font-family: var(--wm-mono); }

/* ---------- 朱砂红印章方块 ---------- */
.seal {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--wm-accent);
    color: #FDFBF7;
    font-family: var(--wm-serif);
    font-weight: 700;
    border-radius: 3px;
    line-height: 1;
    box-shadow: 0 1px 3px rgba(166, 68, 46, 0.35);
    user-select: none;
}
.seal-lg { width: 44px; height: 44px; font-size: 22px; }
.seal-md { width: 30px; height: 30px; font-size: 15px; }
.seal-sm { width: 22px; height: 22px; font-size: 11px; border-radius: 2px; }

/* 印章角标（用于照片/卡片角落） */
.seal-corner {
    position: absolute;
    bottom: 14px;
    right: 14px;
    z-index: 10;
    opacity: 0.95;
}

/* ---------- 发丝线 ---------- */
.hairline       { border-color: var(--wm-line) !important; }
.hairline-t     { border-top: 1px solid var(--wm-line); }
.hairline-b     { border-bottom: 1px solid var(--wm-line); }

/* ---------- 导航：浅色玻璃拟态 ---------- */
#site-nav {
    transition: background-color .35s ease, box-shadow .35s ease, border-color .35s ease;
    border-bottom: 1px solid transparent;
}
#site-nav.glass {
    background: rgba(250, 249, 246, 0.82);
    -webkit-backdrop-filter: blur(14px) saturate(1.4);
    backdrop-filter: blur(14px) saturate(1.4);
    border-bottom: 1px solid var(--wm-line);
    box-shadow: 0 4px 24px rgba(29, 27, 24, 0.05);
}
.nav-link {
    position: relative;
    color: var(--wm-muted);
    transition: color .25s ease;
}
.nav-link:hover, .nav-link.active { color: var(--wm-accent); }
.nav-link::after {
    content: '';
    position: absolute;
    left: 0; bottom: -4px;
    width: 0; height: 1px;
    background: var(--wm-accent);
    transition: width .25s ease;
}
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

/* ---------- 按钮 ---------- */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--wm-accent);
    color: #FDFBF7;
    font-weight: 600;
    border-radius: 999px;
    padding: 12px 30px;
    transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
    box-shadow: 0 4px 16px rgba(166, 68, 46, 0.22);
}
.btn-primary:hover {
    background: #8F3A26;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(166, 68, 46, 0.30);
}
.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--wm-ink);
    color: var(--wm-ink);
    font-weight: 600;
    border-radius: 999px;
    padding: 12px 30px;
    transition: all .25s ease;
    background: transparent;
}
.btn-outline:hover {
    border-color: var(--wm-accent);
    color: var(--wm-accent);
    transform: translateY(-2px);
}

/* ---------- 竖排小字点缀 ---------- */
.vertical-text {
    writing-mode: vertical-rl;
    letter-spacing: 0.35em;
    font-family: var(--wm-mono);
    font-size: 11px;
    color: var(--wm-gold);
    user-select: none;
}

/* ---------- 区块编号 ---------- */
.section-no {
    font-family: var(--wm-mono);
    font-size: 12px;
    letter-spacing: 0.3em;
    color: var(--wm-gold);
    display: flex;
    align-items: center;
    gap: 12px;
}
.section-no::after {
    content: '';
    display: block;
    width: 48px;
    height: 1px;
    background: var(--wm-gold);
    opacity: 0.5;
}

/* ---------- 统计大数字 ---------- */
.stat-value {
    font-family: var(--wm-serif);
    font-weight: 700;
    color: var(--wm-gold);
    font-variant-numeric: tabular-nums;
}

/* ---------- 卡片 ---------- */
.wm-card {
    background: var(--wm-surface);
    border: 1px solid var(--wm-line);
    border-radius: 14px;
    transition: border-color .3s ease, box-shadow .3s ease, transform .3s ease;
}
.wm-card:hover {
    border-color: rgba(166, 68, 46, 0.45);
    box-shadow: 0 12px 32px rgba(29, 27, 24, 0.07);
    transform: translateY(-4px);
}

/* ---------- 标签 ---------- */
.tag {
    display: inline-block;
    font-size: 11px;
    color: var(--wm-muted);
    background: rgba(29, 27, 24, 0.04);
    border: 1px solid var(--wm-line);
    border-radius: 999px;
    padding: 3px 10px;
}
.round-badge {
    display: inline-block;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--wm-accent);
    background: var(--wm-accent-soft);
    border: 1px solid rgba(166, 68, 46, 0.25);
    border-radius: 6px;
    padding: 3px 9px;
}

/* ---------- 案例筛选按钮 ---------- */
.btn-filter {
    padding: 8px 20px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 500;
    color: var(--wm-muted);
    border: 1px solid var(--wm-line);
    background: var(--wm-surface);
    transition: all .25s ease;
    cursor: pointer;
}
.btn-filter:hover {
    border-color: var(--wm-accent);
    color: var(--wm-accent);
}
.btn-filter.active {
    background: var(--wm-accent);
    border-color: var(--wm-accent);
    color: #FDFBF7;
    box-shadow: 0 4px 14px rgba(166, 68, 46, 0.25);
}

/* ---------- 今年项目占位槽 ---------- */
.slot {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--wm-line);
    background: var(--wm-surface);
    box-shadow: 0 16px 48px rgba(29, 27, 24, 0.08);
}
.slot-media {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}
.slot-media img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 2;
    transition: transform .6s ease;
}
.slot:hover .slot-media img { transform: scale(1.03); }
.slot-media img.img-error { display: none; }
/* 优雅占位图案：宣纸纹 + 波浪细线 + 印章 */
.slot-placeholder {
    position: absolute;
    inset: 0;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    background:
        radial-gradient(ellipse at 30% 20%, rgba(168, 138, 91, 0.10), transparent 55%),
        radial-gradient(ellipse at 75% 80%, rgba(166, 68, 46, 0.07), transparent 55%),
        repeating-linear-gradient(-8deg, transparent 0 22px, rgba(29, 27, 24, 0.03) 22px 23px),
        var(--wm-bg);
}
.slot-placeholder .ph-text {
    font-family: var(--wm-mono);
    font-size: 12px;
    letter-spacing: 0.25em;
    color: var(--wm-muted);
}

/* ---------- 媒体背书走马灯 ---------- */
.marquee {
    overflow: hidden;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
    mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track {
    display: flex;
    gap: 16px;
    width: max-content;
    animation: wm-marquee 36s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes wm-marquee {
    to { transform: translateX(-50%); }
}
.marquee-item {
    flex-shrink: 0;
    font-family: var(--wm-serif);
    font-size: 15px;
    color: var(--wm-muted);
    border: 1px solid var(--wm-line);
    background: var(--wm-surface);
    border-radius: 999px;
    padding: 10px 24px;
    white-space: nowrap;
}

/* ---------- 合作机构徽章 ---------- */
.partner-badge {
    font-family: var(--wm-serif);
    font-size: 15px;
    color: var(--wm-muted);
    border: 1px solid var(--wm-line);
    background: var(--wm-surface);
    border-radius: 8px;
    padding: 12px 22px;
    cursor: default;
    user-select: none;
    transition: all .25s ease;
}
.partner-badge:hover {
    border-color: rgba(166, 68, 46, 0.45);
    color: var(--wm-accent);
    transform: translateY(-2px);
}

/* ---------- 弹窗（浅色） ---------- */
#project-modal .modal-panel {
    background: var(--wm-surface);
    border: 1px solid var(--wm-line);
    box-shadow: 0 32px 80px rgba(29, 27, 24, 0.22);
}

/* ---------- 图表面板 ---------- */
.chart-panel {
    background: var(--wm-surface);
    border: 1px solid var(--wm-line);
    border-radius: 16px;
    box-shadow: 0 12px 36px rgba(29, 27, 24, 0.06);
}

/* ---------- 创始人照片框 ---------- */
.founder-frame {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--wm-line);
    box-shadow: 0 20px 60px rgba(29, 27, 24, 0.12);
}
.founder-frame::before {
    content: '';
    position: absolute;
    inset: 12px;
    border: 1px solid rgba(168, 138, 91, 0.4);
    border-radius: 10px;
    z-index: 5;
    pointer-events: none;
}

/* ---------- 履历条目 ---------- */
.bio-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}
.bio-no {
    flex-shrink: 0;
    font-family: var(--wm-mono);
    font-size: 12px;
    color: var(--wm-gold);
    border: 1px solid rgba(168, 138, 91, 0.45);
    border-radius: 999px;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
}

/* ---------- 页脚 ---------- */
.footer-link {
    color: var(--wm-muted);
    transition: color .25s ease;
}
.footer-link:hover { color: var(--wm-accent); }

/* ---------- 选中态 ---------- */
::selection {
    background: rgba(166, 68, 46, 0.18);
    color: var(--wm-ink);
}

/* ---------- 滚动条 ---------- */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--wm-bg); }
::-webkit-scrollbar-thumb {
    background: #D8D1C4;
    border-radius: 6px;
    border: 2px solid var(--wm-bg);
}
::-webkit-scrollbar-thumb:hover { background: var(--wm-gold); }

/* ---------- 关于我照片缺失兜底 ---------- */
.founder-frame.no-photo {
    aspect-ratio: 3 / 4;
    background:
        radial-gradient(circle at 30% 20%, rgba(168, 138, 91, 0.10), transparent 60%),
        linear-gradient(160deg, #F3EFE7 0%, #EAE4D8 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}